Law firms and legal organizations
Cybersecurity for legal firms, built around client confidentiality
ACS Cyber provides managed cybersecurity and incident response for law firms: 24/7 monitoring from our in-house SOC, Business Email Compromise and wire-fraud defense, and in-house forensic investigation when something goes wrong. Start with a free 30-minute consultation, or call our 24/7 incident line if you have an active incident.
- Business Email Compromise defense
- Wire-fraud safeguards
- Client confidentiality
- 24/7 incident line
Legal risk
The risks we see in legal practices
Attackers follow money and information, and law firms handle both: settlement funds, closing payments, retainers, and confidential files that clients trust you to protect.
Business Email Compromise (BEC) is fraud in which an attacker uses a taken-over or spoofed email account to redirect payments or extract information. In a law firm, it often looks routine: a hidden mailbox rule, then changed wire instructions right before a deadline.
- Wire fraud and Business Email Compromise. Spoofed or compromised email can redirect settlement, closing, or escrow payments to an attacker’s account.
- Client confidentiality. Privileged communications and case files are valuable to attackers, and exposure carries professional and reputational consequences.
- Document management and file sharing. Matter files spread across document systems, Microsoft 365, personal devices, and shared links that never expire.
- Remote access. Attorneys work from courthouses, client sites, and home, so weak remote-access setups and reused passwords become easy entry points.
Your professional duties
The ABA Model Rules include duties of competence and confidentiality, and many firms now treat technology safeguards as part of meeting them.
We provide the technical side of that picture. Your firm and its ethics counsel decide how the rules apply to your practice.
Have you been compromised?
If a wire went to the wrong account, call your bank, then call us
Call your bank’s fraud line first, because recall requests are time-sensitive. Then call our 24/7 incident line. We secure the affected mailboxes, find out how the attacker got in through in-house forensic investigation, work with your insurer and counsel when you authorize it, and help you put controls in place so it does not happen again.
Client files or privileged communications exposed? See data breach and exposure support.
Legal incidents we respond to
- Wire and escrow fraud
- Business Email Compromise
- Hidden mailbox rules
- Spoofed client or counsel email
- Exposed matter files
- Ransomware
Clear roles
Who does what after a wire-fraud incident
Several parties act at once after a suspected wire fraud. Knowing each role in advance saves time.
| Party | Role in the response |
|---|---|
| Your bank | Receives your fraud report and tries to stop or recall the transfer. |
| ACS Cyber | Secures the compromised accounts, preserves evidence with documented chain of custody, investigates in-house how the attacker got in, and reports the findings. |
| Your counsel | Advises on privilege, client communications, and any notification obligations. |
| Your insurer | Confirms coverage and notice requirements. We work alongside insurer-assigned response firms where your policy permits. |
| Law enforcement | You can report the fraud to the FBI’s Internet Crime Complaint Center (IC3). |
How ACS Cyber helps
Services matched to legal risk
Each service covers a specific exposure, and one accountable team coordinates all of them for your firm.
Business Email Compromise defense
Our in-house SOC monitors Microsoft 365 sign-ins, mailbox rules, and email threats around the clock, and we help you add payment-verification steps that make fraudulent instructions harder to act on.
Help when a payment or mailbox is compromised
We contain the account, preserve evidence, and work to establish what was accessed through in-house forensic investigation, coordinating with your insurer and counsel when you authorize it.
Security leadership for the firm
A virtual CISO helps partners set priorities, adopt practical policies, answer client security questionnaires, and report on risk in plain language.
Client and insurer requirements
We help you assess gaps, align controls with frameworks such as NIST CSF 2.0, and prepare the evidence corporate clients and insurers ask for.
Remote access and system hardening
Vulnerability scanning and configuration reviews find exposed remote-access services, missing patches, and risky settings, with validation after remediation.
Training for attorneys and staff
Phishing simulations and short training built around the scams firms face, including spoofed clients, fake opposing counsel, and last-minute wire changes.
Readiness
What we help you prepare
Practical safeguards and documentation that support client expectations, insurer questions, and your own response plans.
- A written payment-verification procedure for wires and changed instructions
- Multi-factor authentication and conditional access for every account
- Email authentication (SPF, DKIM, and DMARC) to reduce spoofing of your domain
- Access controls for document systems and shared matter files
- A secure remote-access setup for attorneys working outside the office
- An incident response plan that names who calls the bank, the insurer, and counsel
- Accurate answers for client security questionnaires and outside counsel guidelines
- Supporting documentation for cyber-insurance applications and renewals
Getting started
How we start
A clear path from the first conversation to a working security program for your firm.
01
Free 30-minute consultation
Talk with a cybersecurity expert about how money and documents move through your firm. You leave with a clear next step, whether or not we work together.
02
Assessment
We review email security, identity, remote access, document handling, and payment workflows to find where the real exposure sits.
03
Roadmap
You receive a prioritized plan in business language that partners can act on: what to fix first and what it protects.
04
Protect and improve
We put monitoring and controls in place, train your people, and review progress with you so protection keeps pace with the firm.
Questions
Law firm cybersecurity questions
ACS Cyber provides managed cybersecurity and incident response for law firms and legal organizations nationwide. As the MSSP and cybersecurity division of Atlantic Computer Systems, we combine 24/7 monitoring from our in-house SOC, Business Email Compromise defense, and in-house forensic investigation.
Call your bank first, then our 24/7 incident line at 1-650-300-7557. We help secure the affected mailboxes, preserve evidence, and investigate how the attacker got in. See BEC and wire fraud response for what happens next.
Yes. When counsel leads the response, we work through the reporting structure they set and coordinate with them and your insurer when you authorize it. Questions about privilege and notification belong with counsel; we supply the technical findings.
That is a question for your firm and its ethics counsel. The duties of competence and confidentiality in the ABA Model Rules, along with state bar guidance, are commonly cited when firms decide what reasonable safeguards look like. We help you put practical controls in place and document them.
Answer accurately and keep evidence for every answer. We help you close the gaps a questionnaire exposes, such as missing multi-factor authentication, so your answers hold up when a client asks for proof. A cybersecurity assessment from Atlantic Computer Systems, our parent company, is another way to find those gaps before a client does.
No. We can work alongside your IT provider or internal staff, adding security monitoring, investigation, and guidance. Atlantic Computer Systems, our parent company, provides legal IT services for law firms, so the fixes we recommend can be carried through in the underlying IT when you want that. Learn about Atlantic Computer Systems.
Legal security
Protect client confidences and client funds
Start with a free 30-minute consultation. We will look at how email, documents, and payments move through your firm and suggest a practical next step.