Category Archives: IT Management

By the time an employee hands in their notice, the decisions that will make their departure clean or messy have already been made. They were made in the first weeks of the person’s tenure, when nobody was paying close attention because the new hire had just arrived and there were a hundred other things to do. A shared login here, a quick SaaS sign-up there, a personal laptop used until the company hardware arrived. By month six, none of those feel like decisions at all. They feel like how things are.

This post covers what’s really going wrong when offboarding takes three weeks, the four onboarding shortcuts that guarantee a painful exit, how to retrofit hygiene on the team you already have, and what your IT provider should be doing at onboarding that probably isn’t happening.

What’s really going wrong when offboarding takes three weeks

A clean offboarding takes about 90 minutes of IT time. An account is disabled in your identity provider, which cascades access revocation across every tool connected via single sign-on. The device is remotely wiped or collected and wiped on-site. Email is forwarded to a manager or converted to a shared mailbox. The departing person’s accounts in your CRM and project tools are reassigned. A handover note, already templated because it was templated at onboarding, gets filled in and filed.

The messy version of the same process can take three weeks. It starts with a manual list of tools nobody can fully remember, which usually means asking the departing employee to help reconstruct it. You find a Figma account, a Loom workspace, a Notion instance, and an Airtable base, all set up independently, all with passwords sitting in the departing employee’s personal password manager. The laptop is at their house and they’re not in any rush. A client emails to say they received a strange message from a personal address. Six weeks later, a vendor charges the company card for a seat you thought you cancelled.

Whether your offboarding is clean or chaotic depends on what was set up during onboarding.

In the identity management world, this is called the “joiner, mover, leaver” lifecycle. Microsoft and most identity vendors use the same three-phase model. A rushed joiner phase compresses months of identity cleanup into the two weeks after the resignation lands.

Four onboarding shortcuts that guarantee a messy exit

Letting new hires sign up for SaaS tools on their own

When a staff member signs up for a tool independently, using their work email and a password only they know, that account is functionally theirs. You can’t reset it without triggering a notification to them. You may not even know the account exists until a vendor invoice shows up, or until the account goes dark after they leave and a client project breaks.

This is the most common source of the “we can’t find half the logins when someone leaves” problem. The fix is provisioning every tool through a central identity system, where any new SaaS application gets connected to your single sign-on before the first user logs in.

Tolerating personal devices “just until we get them sorted”

Personal devices that get used for work don’t stay temporary. The employee installs apps, connects to client systems, downloads files, and what was a temporary fix becomes how they work permanently. When they leave, you have no ability to wipe company data from a device you don’t own and never enrolled in a management system. You’re relying on their goodwill, which is usually fine, but it is not a security control.

The fix is to issue company-owned devices on day one and enroll them in mobile device management. When you do allow a personal device, require managed app access for company email and files. Browser-saved credentials are not a substitute.

Shared logins for tools you didn’t want to pay per-seat for

Shared credentials are the worst offender at offboarding. When five people use the same login for a tool, you can’t remove one person’s access without changing the password for everyone. You usually find this out at the worst possible time, when the person leaving is the one who set up the account and nobody else remembers the password at all.

Per-seat is the cost of doing this properly. The savings from shared logins reappear during offboarding as wasted hours and exposed access.

Letting client relationships live in one person’s inbox

This one is specific to agencies and professional services. When a senior account manager or consultant leaves, their client relationships often leave with them. The context, the email history, the preferences, and the half-finished threads lived in one person’s inbox. With the person gone, all of that becomes inaccessible or awkward to retrieve.

From the client’s side, your business just doesn’t know who they are anymore.

The fix is a shared inbox or CRM where client communication is logged. Even a Microsoft 365 shared mailbox with a clear expectation that client threads are CC’d to it is a meaningful improvement over what most small businesses have today.

How to retrofit hygiene on the team you already have

The cleanup most businesses need is for the team they already have, before the next hire arrives. You can’t go back and re-onboard your existing staff, but you can audit what’s there and close the gaps before the next departure.

The SaaS audit

Pull three months of credit card statements (every card that gets used for business expenses) and list every recurring SaaS charge. For each one, find out who set it up, who has the login, whether the account uses a personal or company email, and whether anyone else can access it if that person left tomorrow.

You’ll find tools nobody remembers signing up for, tools used by one person with no backup access, and accounts where the original owner has already left while you’re still paying for the seat. None of this is a technical exercise. All it takes is a spreadsheet and an afternoon.

The device register

Build a simple list: who has what, when each device was issued, whether it’s enrolled in a management system, and what company data each device can access. If you don’t have one, build it now. Ask every staff member to confirm the devices they use for work, including personal ones. The goal is to map what you’re working with. Most employees are happy to confirm what device they use once they know nothing punitive will come of it.

For any personal device that has been used to access company systems, the minimum is making sure company email and file access happens through managed apps that can be remotely disconnected.

Client communication in shared places

Move client communication into shared places so the relationship belongs to the business when an individual moves on. Continuity is the goal. Set up a shared inbox or alias for client-facing communication, and use a CRM where contact history and notes are logged. Even a shared Microsoft 365 mailbox with a clear expectation that client threads are CC’d to it is a meaningful improvement over what most small businesses do today.

What your IT provider should be doing at onboarding

Most IT providers get called when someone resigns. They show up, disable the account, collect the laptop if they can find it, and do their best with whatever documentation exists. That’s the wrong end of the lifecycle to be involved in. If that’s the only time your IT provider is involved in staff transitions, you’re not getting much value from the relationship.

The model that works puts your IT provider at onboarding too. They set up the new account in your identity provider, enroll the device in your mobile device management system, and provision access through single sign-on so every tool the new hire uses is connected to a central identity that can be switched off in one action. They should also maintain a handover document for each staff member, updated periodically, listing every system the person accesses, every client relationship they own, and every credential tied to their identity.

When that’s in place, offboarding becomes a checklist and an hour rather than a three-week excavation. Ask your IT provider what they do at onboarding. If the answer is “not much” or “we usually just get called when someone leaves,” that’s worth a conversation.

A 60-day plan before your next round of departures

You don’t need to know the exact date of the next resignation to start. The work is more manageable when nothing is urgent.

Weeks 1 and 2: Run the credit card SaaS audit. Build a list of every tool, every account owner, and every login that only one person controls. Flag the ones where access would be lost or complicated if that person left this week.

Weeks 3 and 4: Build the device register. Confirm what every staff member uses for work. For personal devices with company access, implement managed app access at minimum. Enroll company-owned devices in a management system if they aren’t already.

Weeks 5 and 6: Audit client-facing communication. Identify any client relationships that exist primarily in one person’s inbox or on someone’s mobile phone. Set up shared mailboxes or CRM logging for the highest-risk accounts first.

Weeks 7 and 8: Write the onboarding process you wish you’d had. Use everything you found in the previous six weeks as the input. Apply it to your next hire from day one, and use it as the template for a handover document for every existing staff member.

Most of this is an operational task rather than a technology project. A spreadsheet, some honest conversations with your team, and a few hours of your IT provider’s time will cover the bulk of it.

Frequently asked questions

How long should offboarding take in a small business?

With proper onboarding hygiene and centralized identity, the IT side of offboarding takes about 60 to 90 minutes. Take that foundation away and the same task can stretch to two or three weeks of scattered cleanup.

How do I find SaaS tools my team signed up for without telling me?

The fastest way is a three-month review of every credit card statement used for business expenses. Most shadow SaaS shows up as a recurring charge somewhere on the card.

Can I wipe a personal device after someone leaves?

Only the company data, and only if you set that up while they were still employed. Mobile device management or managed app access lets you remove company email, files, and credentials from a personal device without touching the rest of it. If those tools weren’t in place during their employment, your options are limited.

What’s the role of single sign-on in offboarding?

Single sign-on means every tool a user accesses is tied to a central identity. Disabling that identity in one place revokes access everywhere. Without single sign-on, you have to manually log into each platform and remove the user.

Should I make my employees use only company devices?

Where practical, yes. For personal devices, enrolling them in a management system or requiring managed app access is the next best thing. A personal device with saved company credentials and no management is the highest-risk configuration for offboarding.

Sources and further reading

• Microsoft Learn: What are lifecycle workflows in Microsoft Entra? — Microsoft’s framing of the joiner / mover / leaver lifecycle and the workflows that automate it.
• Microsoft Learn: App Protection Policies overview (Intune) — how managed app access works for personal devices, including selective wipe of company data.

If your offboarding process feels harder than it should be, that’s a good signal that your onboarding needs attention. Your IT provider should be able to walk you through both ends of the lifecycle and help you tighten what’s loose. And if you don’t have an IT provider, feel free to reach out to us and we’ll help you sort it.

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This Article has been Republished with Permission from The Technology Press.

Cyber insurance applications include a question that catches a lot of small business owners off guard: “Do you maintain immutable, air-gapped, or offline backups of your critical business data?”

Carriers added that question to renewal forms because ransomware operators worked out that the fastest way to force a payout is to wipe the backups first and encrypt everything else after. CISA, the FBI, and the Internet Crime Complaint Center have all documented this pattern as one of the most common moves in current ransomware playbooks. A business whose backup copies can be deleted using the same admin credentials an attacker just stole has no recovery path other than paying the ransom.

This post covers what immutable backup means, three common backup setups that do not qualify, the questions to send your IT provider before you sign the form, and what to do if your honest answer is no.

Immutable backup, defined

An immutable backup is one that cannot be modified or deleted for a fixed period of time, including by you, by your IT provider, and by anyone using stolen admin credentials.

The stolen credentials piece is what carriers care about. Most backup systems can be wiped by anyone with admin access. Immutability means the backup platform itself enforces the lock at the storage layer, and no credentials, however privileged, can override it during the retention window. Some platforms call this object lock, write-once-read-many, or WORM storage. The terminology varies between vendors, but the underlying control is the same.

Three common backup setups that do not qualify

Three setups come up regularly that don’t satisfy the immutability question, even though business owners often assume they do.

A NAS or external drive in your office

A network-attached storage device sitting in your server room is reachable from your network by design. If ransomware spreads across your environment, it can reach the NAS. An attacker with domain admin credentials can wipe what’s on it. An external drive that someone plugs in once a week and leaves connected has the same exposure.

These devices have a role in a broader backup strategy. On their own, they do not satisfy the immutability question.

Microsoft 365 retention treated as a backup

Microsoft 365 includes data retention features, and some businesses use them as their backup solution. They are not a backup in the sense the form is asking about. An attacker with global admin access to your tenant can delete data and purge retention holds.

Under Microsoft’s shared responsibility model, customers retain responsibility for backup and protection of their own data, separate from what Microsoft provides at the platform level.

If your only protection for Microsoft 365 data is what Microsoft provides natively, the honest answer to the immutability question is no.

A cloud backup with immutability switched off

This is the most common gap. Many reputable backup platforms include immutability as a feature, but the setting is not always enabled by default. The capability exists, and someone needs to turn it on. Your business may be paying for a backup solution that looks credible on paper while the immutability toggle sits in the off position. You cannot tell from the outside without checking.

Three questions to send your IT provider before you sign the form

Copy these into an email and send them before you check the box.

Question one: “Are our backups immutable, and if so, how long is the immutability window?”

Carrier guidance has tightened in the past two years. Most insurers want a window of at least 14 days as a floor, with 30 days increasingly cited as the preferred minimum. Attackers sometimes sit in a network for weeks before triggering ransomware, which means a backup from yesterday may already be compromised. The window needs to be long enough to give you clean restore points from before the attacker arrived.

Question two: “If our domain admin account or Microsoft 365 global admin account were stolen tomorrow, could that account be used to delete our backups?”

The correct answer is no. If the answer is yes, or if your provider is not sure, your backups are not immutable in the way the form means.

Question three: “Can you send me a screenshot or vendor documentation showing that immutability is enabled on our account?”

A provider who can send something concrete has done the work. If they come back with verbal reassurance and nothing to show, treat that as a no until they can demonstrate otherwise.

What a qualifying setup looks like

For your backup to honestly satisfy the question on the form, a few things need to be true at the same time.

The backup platform needs immutability turned on, not only available as a feature. Several major vendors including Veeam, Datto, Rubrik, and Acronis offer the capability, along with most cloud storage providers that support S3-compatible object lock. A vendor name on the invoice does not, by itself, answer the question. The setting has to be turned on, scoped properly, and tied to credentials that aren’t shared with the rest of your environment.

The backup credentials need to sit outside your regular administrative accounts. If the same login that manages your Microsoft 365 environment also controls your backup platform, a compromised admin account can reach both. A qualifying setup uses isolated credentials outside your day-to-day identity environment.

The retention window needs to be long enough. A 24-hour backup that overwrites itself daily does not help if an attacker has been in your environment for a week. CISA’s #StopRansomware Guide lists immutable, tested backups as a baseline control, and most insurers now align with that position.

Restores also need to be tested. A backup nobody has tried to restore in the past 12 months is not something you can rely on when it matters. Most carriers now ask for the date of your last successful restore test, and they want to see one.

What to do if your honest answer is no

Declare what you have on the form, and use the renewal process as the reason to fix what isn’t there.

The first step is to ask your IT provider whether immutability can be enabled on your existing platform. In many cases the platform already supports it, and turning it on is a configuration change rather than a new product purchase. If the platform supports it and nobody has switched it on, that conversation can usually be resolved in a few days.

If your provider does not know what you’re asking, or cannot give a clear answer to the three questions above, that response is itself important information. This area needs attention before your next renewal date, even if other parts of your IT setup are handled well.

One thing to avoid: do not check yes on the form to dodge a premium hike. Cyber insurance applications function as warranty documents. If a forensic investigation after a claim finds your backups did not match what you declared, the carrier can rescind the policy. Coverage is then treated as if it never existed, and any prior payouts under the same policy term can be clawed back. Misrepresentation discovered after a claim is one of the most expensive mistakes a small business can make on an insurance form.

Checking no on the form will likely cost you something at renewal, either in premium or in coverage terms. That’s a known cost, and it’s manageable. Take the hit on the application, and use the months between now and your next renewal to close the gap.

Frequently asked questions

What does immutable backup mean in plain English?

A backup that nobody can change or delete for a set period of time, even with administrator credentials. The storage platform enforces the lock at the system level, so user permissions cannot override it.

Is Microsoft 365’s built-in retention a backup?

No. Native retention can be bypassed by a global admin or by anyone who steals one. Microsoft’s shared responsibility model places backup of your data on the customer, separate from retention.

How long should the immutability window be?

Most insurers and security frameworks point to a minimum of 14 days. 30 days is increasingly the preferred floor, and some carriers want longer. A longer window gives you more confident recovery if an attacker has been inside your environment for an extended period.

Can my IT provider just turn immutability on?

Often, yes. If your backup platform supports the feature and it has not been enabled, this is a configuration change rather than a new purchase. Ask for written confirmation once it’s done.

What happens if I check yes on the form when I shouldn’t?

The carrier can rescind the policy after a claim, which voids coverage retroactively. Any prior payouts under the same policy term can also be clawed back. Misrepresentation is one of the most common reasons cyber claims are denied.

Sources and further reading

• CISA #StopRansomware Guide — federal guidance on ransomware prevention, including backup and immutability recommendations.
• Microsoft shared responsibility model — Microsoft’s own documentation on which protections sit with the platform and which sit with the customer.
• FBI Internet Crime Complaint Center: Ransomware — current FBI guidance on ransomware threats and recommended controls.

If you’re not sure where your backups stand, that’s worth raising with your IT provider before your next renewal date. They should be able to walk you through the configuration and give you a clear answer to the three questions above. And if you don’t have an IT provider, feel free to reach out to us and we’ll help you sort it.

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This Article has been Republished with Permission from The Technology Press.

Someone leaves the company on a Friday. By Monday, their email account is disabled, and their laptop is back in the pile.

What nobody checks is their login to the project management tool they signed up for in Q3, the cloud storage folder they shared with a contractor, or the CRM access they still have from two roles ago. 

Three months later, those sessions are still active.

This is how zombie accounts form. nNot through negligence, but through an offboarding process built around corporate IT assets that no longer reflects how people actually use software. 

The average company now runs more than 100 SaaS applications. Most offboarding checklists were written when there were three.

What a Zombie Account Actually Is

A zombie account is an active login that belongs to someone who no longer works for you. The name is informal. The risk is not.

What makes zombie accounts particularly dangerous is that they are valid credentials.

There is nothing to detect. The access was granted intentionally, and the system has no reason to question it. If a former employee walks back in through that door, or if their credentials are compromised after they leave, the access is there waiting.

Industry research finds that 50% of organizations have discovered former employees still accessing SaaS applications months after their departure date.

For most of those organizations, the discovery was accidental rather than the result of a deliberate audit.

The Three Apps Where Access Never Gets Removed

Cloud storage and collaboration tools

Google Drive, OneDrive, and Dropbox are where zombie access causes the most immediate damage. 

These platforms are where offboarding gets messy. Files may be shared with a departing employee’s personal account. Guest permissions granted during a project may never get cleaned up. And folders set to “anyone with the link” access may still be bookmarked.

The departure triggers a license removal in the identity provider. The shared folders, external links, and personal-account shares go untouched.

Project management and CRM platforms

Tools like Asana, Monday.com, Notion, Jira, HubSpot, and Salesforce are frequently provisioned by team leads rather than IT. That means the offboarding checklist has no visibility into them. 

A former account executive’s Salesforce login, or a project manager’s Notion workspace with access to company strategy documents, can persist for months without anyone noticing.

The tools IT didn’t know existed

This is the most dangerous category. 

These are the tools employees signed up for using their work email. A survey platform. An AI writing assistant. A data visualisation tool. They were never formally provisioned, and they were never formally revoked.

When the employee leaves, the account does not get disabled. It sits there, attached to a work email address that may now redirect to an IT catch-all.

Running the Zombie SaaS Audit

Step 1: Build your SaaS inventory

Start by pulling a list of all SaaS applications connected to your identity provider: Microsoft Entra ID, Google Workspace Admin, or Okta, if you use one. 

Cross-reference with billing records, browser extension installs, and email domains showing regular login notifications.

Grip Security’s 2025 SaaS Security Risks Report, analyzing 29 million user accounts, identified 23,987 distinct SaaS applications in use across its customer base. That’s far more than any IT team tracks manually.

Of those applications, 90% remained outside IT’s management. 

For smaller teams without a dedicated identity platform, a 30-minute review of active subscriptions and recent login notifications will surface most of the high-risk tools.

Step 2: Cross-reference against your offboarding list

Take the last 12 months of departures and check each name against the SaaS inventory. 

For each application, ask: 

• Does this platform have an admin console? 
• Can you see who is still active? 
• When did this account last log in?

Access that is months old and belongs to someone who has left is a zombie. Flag it for immediate revocation. Document what you find.

Step 3: Revoke, document, and set a review cadence

Remove the access. Record what was found and when. Then use the audit as the baseline for an offboarding checklist that covers more than the corporate email and laptop. 

Going forward, enforce multi-factor authentication on all remaining active accounts and schedule a SaaS access review every quarter. 

That cadence turns a one-time cleanup into a repeatable control.

Making Offboarding a Security Process

Zombie accounts cannot be removed if no one is looking for them. The SaaS offboarding audit is the starting point.

Want to close the gaps in your SaaS offboarding process? 

Contact us or schedule a consultation to run a zombie SaaS audit and build a repeatable process your team can follow on every exit.

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This Article has been Republished with Permission from The Technology Press.

The most time-consuming ticket in your queue is rarely a hardware failure. It’s the PC infection that started when a user installed something they shouldn’t have been able to. Or it’s the broken configuration left behind after someone changed a setting IT can’t trace.

Local administrator rights (the ability to install software, modify system settings, and override security controls) are given to end users far more often than the risk warrants. 

The usual reason is efficiency. 

The practical result is the opposite. Machines that drift from baseline, infections that spread before they are caught, and remediation tickets nobody planned for. Revoking local admin rights directly removes the root cause of most of those tickets.

The Admin Rights and Support Ticket Connection

A standard user account limits what software can be installed, what system settings can be changed, and what processes can run at an elevated level. These limits are not arbitrary friction. They are the boundary that prevents most common problems from ever reaching the helpdesk.

When users have admin rights, those boundaries disappear. 

Software conflicts arise because no approval step exists to catch the incompatibility. Security tools get disabled because a user decided they were slowing things down. Network settings get modified during attempted self-fixes that go wrong. Each of those actions is a predictable support ticket in waiting.

Admin rights are not the cause of every request in the queue. They are the cause of most of the expensive ones.

What the Security Data Shows

The connection between admin rights and security incidents is well-documented, and the numbers make the operational argument clearly.

From 2015 to 2020, the BeyondTrust Microsoft Vulnerabilities Report found that removing administrative privileges could have mitigated 75% of all Critical Microsoft vulnerabilities.

The pattern holds because most critical vulnerabilities require elevated permissions to fully execute. 

An attacker who compromises a standard user account gets access to that user’s data and session. An attacker who compromises an admin account gets the machine, and often the network.

The IBM Cost of a Data Breach Report 2025 found the average US data breach costs $10.22 million, an all-time high for any region globally.

The remediation cost for breaches that originate through compromised endpoints is consistently higher when the affected user holds elevated system privileges. Revoking local admin rights does not eliminate the risk, but it significantly reduces what an attacker or an infected machine can actually do.

The Three Ticket Categories That Disappear

Malware infections and their cleanup

Most ransomware and many Trojan infections require admin-level permissions to install, disable security tools, and spread. A standard user account does not eliminate phishing risk, but it limits what malware can do after it lands. 

An infection on a standard account is typically contained to that user’s profile. On an admin account, the same infection can encrypt shared drives and require a full OS rebuild. 

A contained malware event might mean one ticket and thirty minutes of work. An admin-level infection often means several tickets and multiple hours of technician time.

Self-inflicted configuration breaks

Users with admin rights occasionally try to fix their own problems by changing settings, uninstalling applications, or modifying network configurations. When it goes wrong, IT inherits the result with little visibility into what changed. 

Standard user accounts remove this category of ticket almost entirely, because those changes are no longer possible without an elevation request.

Patch and compliance drift

Endpoints where users have admin rights tend to diverge from the managed baseline over time. 

Software installed outside the approved process does not receive updates through standard management tools. 

Devices accumulate inconsistencies that create additional work during vulnerability scans, audits, and compliance reviews. 

Revoking admin rights and enforcing managed software deployment closes this drift at the source.

But I Need to Install Things

Just-in-time elevation

The concern is legitimate. As a user on your network, you do occasionally need elevated access for specific tasks. 

The answer is not to restore permanent admin rights. It is just-in-time (JIT) elevation, where you get temporary elevated access for a defined task. The request is approved through an automated policy or by IT, and the elevation expires automatically once the task is complete.

This keeps users productive and IT informed. 

Every elevation request is logged. Unapproved actions do not happen silently. The volume and pattern of requests also becomes useful data in its own right, revealing exactly which tasks genuinely require escalation and which ones users were performing only because nothing was stopping them.

What standard users can already do

Standard accounts support normal application use, browser activity, printing, file access, and the vast majority of day-to-day tasks without any escalation at all. 

The friction you may anticipate is usually larger than the friction you actually experience once the change is made and a JIT process handles the edge cases.

What to Do Before You Flip the Switch

Ready to reduce your support ticket volume and tighten endpoint security for your team at the same time? 

Contact us or schedule a consultation to plan a least-privilege rollout that works for your team.

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This Article has been Republished with Permission from The Technology Press.

The most dangerous thing in a server room is often the phrase, “Don’t touch that.”

It’s usually said with a half-joke and a grimace. It refers to the old box that “still works”, runs something important, and has survived so many fixes and workarounds that nobody feels confident changing it anymore.

That’s legacy debt. 

Not just “old tech”, but old tech that’s become a dependency. It’s the kind that quietly accumulates risk until it turns into downtime, security exposure, or an emergency upgrade at the worst possible time.

A legacy debt audit is the fast way to bring that risk back into the light. 

What Legacy Debt Really Looks Like

Legacy debt isn’t “old gear”. It’s old gear that has become normal. 

It’s the server that runs a critical app, the edge device nobody remembers buying, the workaround that turned into a dependency. Over time, that debt stacks up quietly.

Infinite Lambda describes legacy debt as something that “happens even to the best systems,” “silently accruing costs and constraints,” and it can “accumulate basically unnoticed until it is too costly to ignore.” 

That’s why a legacy debt audit isn’t a theoretical exercise. It’s a visibility exercise to bring the oldest, highest-leverage risks back onto the list of things you actively manage.

The security problem shows up when “old” becomes “unpatchable.” 

The UK’s NCSC guidance on obsolete products says, “Ideally, once out of date, technology should not be used,” and “the only fully effective way to mitigate this risk is to stop using the obsolete product.” 

If something can’t be updated, weaknesses don’t age out. They sit there, waiting for the wrong day.

Legacy debt also looks like basic server hygiene slipping.

NIST SP 800-123 frames secure server operations as an ongoing process: “Maintaining the secure configuration through application of appropriate patches and upgrades, security testing, monitoring of logs, and backups…” 

It also calls out foundational hardening steps like “Patch and upgrade the operating system” and “Remove or disable unnecessary services, applications, and network protocols.” 

When those basics become inconsistent, legacy debt turns into a reliability and incident-response problem, not just a security one.

Finally, legacy debt often hides at the edge. If you have end-of-support internet-facing devices, you’ve got high-leverage risk in the most exposed place. 

The 3 Oldest Risks to Find First

These three categories are where “old” most often turns into outsized risk, because they combine age with leverage: they either sit at the front door, can’t be fixed anymore, or have quietly drifted out of a safe baseline.

Risk #1: End-of-support edge devices

If you’re looking for high-leverage legacy debt, start at the edge. Firewalls, VPN gateways, routers, and other internet-facing devices are the front door to your environment. 

When they reach end-of-support (EOS), they don’t just become outdated. They become harder to defend because security fixes stop arriving.

What to check in your audit

• List every edge device (firewall, VPN, router) and the support status for each one
• Confirm which ones are internet-facing and which services are exposed
• Identify devices that can’t run the current firmware or no longer receive updates.

Risk #2: Obsolete products that can’t be fixed anymore

Obsolete products are the purest form of legacy debt: things that are still operating but no longer receive security updates. That means every new vulnerability becomes permanent.

In other words, there’s no clever workaround that makes an unsupported system “safe”. There are only risk reductions until you can replace it.

What to check in your audit

• Identify anything past support: server OS versions, appliances, old hypervisors, and line-of-business apps
• Flag systems that require exceptions, like the ones with old protocols, weak auth, and special firewall rules
• Find the “business-critical but unsupported” systems
  

Risk #3: “It still works” servers with neglected basics

This is the sneakiest risk because it looks normal. 

The server is supported. The hardware runs. Nobody’s complaining. But the basics have drifted: patching is inconsistent, unnecessary services are still running, and backups haven’t been proven under pressure.

SP 800-123 Guide to General Server Security frames secure server operations as an ongoing discipline, including “patches and upgrades,” “monitoring of logs,” and “backups.” 

It also calls out core hardening steps like “Patch and upgrade the operating system” and “Remove or disable unnecessary services, applications, and network protocols.” 

Those are the unglamorous fundamentals that stop small problems from turning into long outages.

What to check in your audit

• Patch reality: what’s the current patch level and how often do updates slip?
• Service sprawl: what’s running that doesn’t need to be running?
• Admin and service accounts: where are the broad permissions and shared credentials?
• Backup confidence: when was the last restore test and did it succeed?
• Change control: who can make changes, and how are they tracked?

Stop Carrying Silent Risk

Legacy debt doesn’t announce itself. It sits quietly in the background until the day it becomes downtime, exposure, or an emergency upgrade you didn’t plan for.

A legacy debt audit gives you control back by turning “we should deal with that someday” into a shortlist you can act on. Start with the highest-leverage risks: end-of-support edge devices, obsolete products that can’t be patched, and servers where the basics have drifted. Then assign owners, set dates, and move one item at a time from “too scary to touch” to “handled”.

Contact us for help running your next legacy debt audit.

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This Article has been Republished with Permission from The Technology Press.