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Cybersecurity

5 IT Security Mistakes Every Law Firm Makes

Your clients trust you with their most sensitive information. Here's why most law firms aren't protecting it — and what to do about it today.

The American Bar Association's 2024 Cybersecurity TechReport found that 29% of law firms have experienced a security breach at some point. Among firms with 10-49 attorneys, that number is even higher.

But here's what makes it worse: most of these breaches weren't sophisticated attacks. They were the result of basic security mistakes that any firm can fix — if they know to look for them.

After working with legal practices on their technology infrastructure, we see the same five mistakes over and over. Every single one of them is fixable. And every single one of them, left unfixed, is a liability waiting to happen.

1

No Multi-Factor Authentication on Email

This is the single most dangerous security gap in any law firm. Your email contains client communications, case strategy, financial information, privileged documents — and most firms protect all of it with nothing more than a password.

Passwords get stolen. They get phished. They get reused from other breached sites. According to Verizon's Data Breach Investigations Report, over 80% of hacking-related breaches involve stolen or weak credentials.

Multi-factor authentication (MFA) means that even when a password is stolen, the attacker still can't get in without the second factor — usually a code on your phone. It takes 10 minutes to enable and stops the vast majority of credential-based attacks.

Fix it today: Enable MFA on Microsoft 365 or Google Workspace. Require it for every user. Use authenticator apps, not SMS (which can be intercepted via SIM swapping).

2

Sending Sensitive Documents Over Unencrypted Email

Standard email is not encrypted in transit or at rest. When you email a client's tax return, a settlement agreement, or a case strategy memo using plain email, that document travels across the internet in a format that can be intercepted and read.

The ABA's Model Rule 1.6 requires lawyers to make "reasonable efforts" to prevent unauthorized disclosure of client information. Multiple state bar ethics opinions have concluded that unencrypted email is not a "reasonable effort" when transmitting highly sensitive documents.

This isn't just a security risk — it's a potential ethics violation.

Fix it today: Enable message encryption in Microsoft 365 (built-in with E3/E5 licenses) or use a secure file-sharing portal. For highly sensitive matters, use end-to-end encrypted platforms.

3

Shared Passwords and No Access Controls

In too many firms, the admin password for the case management system is written on a sticky note. The firm's social media login is shared between three people using the same credentials. The departed paralegal's account is still active because nobody remembered to disable it.

Every shared password is an unauditable access point. If something goes wrong — a document is deleted, a client record is accessed improperly, a breach occurs — you can't determine who did what. That's a compliance nightmare.

Fix it today: Individual accounts for every user. Role-based access controls. A documented offboarding process that disables accounts immediately when someone leaves. Password manager for any shared credentials that are genuinely needed.

4

No Backup and Disaster Recovery Plan

Ask yourself: if your server died tomorrow morning, how long would it take to get your firm running again? If the answer is "I don't know" or "a long time," you have a problem.

Ransomware attacks on law firms increased 70% between 2022 and 2024 according to Coveware's incident response data. The average ransom demand for a small professional services firm is over $50,000. And even if you pay, there's no guarantee you get your data back — or that it hasn't been copied and leaked.

A proper backup system means you don't have to pay. You restore from backup, close the vulnerability that was exploited, and you're operational again — often within hours instead of weeks.

Fix it today: Implement the 3-2-1 backup rule: 3 copies of your data, on 2 different media types, with 1 copy offsite (cloud). Test your backups quarterly — a backup that can't be restored is not a backup.

5

No Employee Security Training

The most sophisticated firewall in the world doesn't help when an employee clicks a phishing link. And phishing emails targeting law firms are getting remarkably convincing — they reference real case numbers, real client names, and real court deadlines harvested from public records.

The 2024 Proofpoint State of the Phish Report found that 71% of organizations experienced at least one successful phishing attack. The human element remains the largest attack surface in any organization.

Security awareness training isn't about making your team paranoid. It's about giving them the pattern recognition to spot the red flags: unexpected attachments, urgency language, requests to bypass normal procedures, links that go to slightly-wrong domains.

Fix it today: Quarterly security awareness sessions (even 30 minutes helps). Simulated phishing tests so staff can practice in a safe environment. A clear reporting process: "If you're not sure, forward it to IT. Never click."

The Cost of Doing Nothing

A data breach at a law firm isn't just an IT problem. It's a client trust problem, a bar disciplinary problem, and potentially a malpractice liability problem. The Ponemon Institute's Cost of a Data Breach Report puts the average cost for professional services firms at $4.7 million — and that includes firms of all sizes, where a breach can consume the firm's entire annual revenue.

The five fixes above are not expensive. MFA is free to enable. Encryption is built into most business email platforms. Backups are a fraction of the cost of a ransom payment. Training takes a few hours per quarter.

The cost of these fixes is negligible. The cost of not making them could be everything.

Next Steps

If you recognized your firm in any of these five mistakes, you're not alone — and you're not behind. You just need to start.

We offer a free 30-minute security assessment specifically for law firms. We'll review your current setup, identify the gaps, and give you a prioritized action plan — no jargon, no scare tactics, just practical next steps ranked by risk and cost.

Your clients trust you with their most sensitive information. Make sure your technology is worthy of that trust.

Get a Free Security Assessment

Thirty minutes. We'll review your firm's IT security and give you a prioritized action plan.

Schedule Your Assessment

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