Law Firm Cybersecurity Services
Law Firm IT Security Services
Legal firms require cybersecurity expertise to assess their infrastructure, actively identify, mitigate, and resolve cyber threats proactively, preventing them from evolving into disruptive events that could adversely affect business operations.
Law-firm cyber incidents are increasing: the ABA’s 2023 Cybersecurity TechReport says 29% of firms have experienced a breach, and an Above the Law / Arctic Wolf survey found 39% were hit in the past year. Law firms that experience a security breach face serious consequences—including disrupted operations that stall client work, damage to reputation and client trust, potential loss of sensitive or privileged data, and exposure to legal, regulatory, and ethical violations. Breaches may compromise confidential client information, resulting in a breach of confidentiality, disclosure, and fines. As a cybersecurity company specialized in IT security services for law firms, we help our clients safeguard sensitive legal information, ensuring their digital integrity through effective cybersecurity measures and regular IT security assessments.
Security Challenges in Legal Firms
According to IBM’s 2025 Cost of a Data Breach Report, the global average cost of a data breach is $4.44 million, with U.S. organizations facing far steeper losses—averaging more than $10 million per incident. For professional services firms, including law firms, the stakes are even higher: the average breach cost climbed to $5.08 million. These incidents don’t just drain finances—they often trigger operational shutdowns, public exposure of sensitive client information, erosion of client trust, and potential ethical or regulatory violations. With many firms still lacking dedicated cybersecurity resources, the risks are both immediate and profound.
Law firms have become prime targets for cybercriminals, who increasingly seek to:
- Punish representation of certain clients through retaliatory attacks.
- Leverage firms as gateways to reach and exploit highly sensitive client data.
- Disrupt operations publicly as a pressure tactic for extortion or ransom.
- Monetize stolen information on the dark web for direct financial gain.
PSM Security Assessment for Legal
Strengthen your security posture with a Threat Protection Engagement. Get expert guidance to align your broader security objectives with the real threats your firm faces today.
What you’ll gain:
- Targeted threat analysis — a deep dive into the specific cyberattacks actively aimed at your organization.
- Immediate mitigation steps — clear, actionable recommendations to reduce risk right away.
- Strategic assessment — a detailed review of your IT and security priorities, informed by seasoned cybersecurity professionals.
- Microsoft’s security vision — an inside look at how Microsoft’s holistic approach can be tailored to your environment.
- Hands-on demonstrations — see integrated tools and methods in action, including the latest innovations.
- Forward-looking roadmap — long-term strategy and prioritized next steps to keep your defenses evolving.
Data Sheet
PSM Extended Detection and Response (XDR) for Microsoft for Law Firms
Strengthen your law firm’s defenses with PSM Partners’ Extended Detection and Response (XDR). Our solution builds on your existing Microsoft investment, integrating Sentinel and Microsoft 365 Defender for maximum protection.
With PSM, you gain:
Expert guidance from certified Microsoft security professionals
Complete visibility across your Microsoft ecosystem
Rapid threat detection, response, and remediation
Discover how PSM Partners helps law firms stay ahead of evolving cyber threats.
PSM Managed Detection and Response Benefits
As a Chicago-based IT security firm serving law firms globally, we specialize in Managed Detection and Response (MDR) while also providing hands-on Incident Response (IR) services. Unlike providers who only monitor, we are often called in after breaches to help firms recover. These real-world engagements give us unique insight into how attacks happen and what techniques adversaries actually use—knowledge that directly informs and sharpens our MDR capabilities.
Our dedicated team of Cyber Analysts takes a proactive approach to identifying, investigating, and mitigating threats specific to the legal sector, preventing disruptions before they escalate. We have successfully intercepted intrusions from diverse sources, safeguarded sensitive client data, and stayed ahead of evolving social engineering campaigns targeting law firms. In multiple cases, we’ve halted ransomware attacks in progress, ensuring business continuity and averting potentially damaging public disclosures.At PSM Partners, we take pride in protecting the legal community’s most critical assets in Chicago and beyond. As leaders in law firm IT, we are proud to collaborate with respected organizations such as the International Legal Technology Association (ILTA) and the Association of Legal Administrators (ALA).
Why Invest in Security for Law Firms
According to IBM’s 2024 Cost of a Data Breach Report, while internal teams detected 42% of breaches, the majority, 58% were only discovered by outside sources, either through third-party notification (34%) or by attackers themselves (24%).
According to IBM, the global average cost of a data breach in 2023 rose to $4.45 million, marking a 15% increase over the past three years.
Following a data breach, roughly 40% of clients say they’d fire or consider firing their law firm—a significant indicator of how damaging such events can be to client retention.
How PSM Protects Legal Firms
Complete Security Assessments
Analyze current environment and provide actionable recommendations based on current best practices.
Confidential Information Accessibility
Our 24/7 Elite Threat Hunter and SOC Cyber Analysts actively hunt for threats across your environment. We detect intrusions and contain cyber attacks before data can be exfiltrated.
Addressing Operational Disruption
Through our Multi-Signal MDR Service, we pinpoint and disrupt harmful administrative actions facilitated by remote access tools, thereby averting intrusions and thwarting the spread of malware throughout your firm's environment.
Avoiding Regulatory Violations
Our SOC relies on established run books that feature detectors aligned with PCI, HIPAA, and state-level regulations, along with reporting measures.
Legal Industry Security Services
At PSM, we go beyond the market’s capability in threat response. PSM multi-signal MDR approach ingests endpoint, network, log, cloud, asset and vulnerability data that enables complete attack surface visibility. Enriched detections from the PSM Threat Response Unit are applied to captured data identifying known & unknown threats including suspicious activity and zero-day attacks. With Security Operations Center staffed by cyber experts and Elite Threat Hunters, an industry-leading XDR Cloud Platform, and refined security operations processes, PSM detects and responds to cyber threats at a moment’s notice.
Explore Management Services
Strategic services including Vulnerability Management, Managed Phishing and Security Awareness Training to identify gaps, build defensive strategies, operationalize risk mitigation and continuously advance your security program.
Managed Detection & Response
We deliver Response + Remediation you can trust. By combining our cutting-edge XDR platform, elite SOC support, around the clock threat hunting and security operations leadership, we hunt and stop known & unknown threats before they disrupt your business.
Incident Response
Battle-tested Incident Commander level expertise can be rapidly deployed to contain any potential security event and ensure impacted systems are sanitized and brought back online quickly and effectively.
Checklist
Cybersecurity Control Checklist
Cyber crime is a significant threat, leading to downtime, costly data breaches, loss of reputation and more. Protect your business with these 18 critical controls.
Law Firm Security services faq
Law firms are prime targets because they hold highly sensitive client information, financial data, and intellectual property. Everyday workflows—such as bank transfers, identity verification, and email communications—create exploitable entry points. Beyond data theft, cybercriminals often deploy ransomware to halt operations and extort firms, knowing that even brief downtime can disrupt legal proceedings, damage client relationships, and pressure firms into paying.
A data breach occurs when confidential or sensitive information is accessed, disclosed, or used without authorization. Within a law firm, breaches can occur in several ways, including:
- Lost or stolen hardware (e.g., an unencrypted laptop stolen from an employee’s car)
- Cyberattacks (e.g., targeted attacks by external cybercriminals)
- Employee error (e.g., accidental disclosure of client data)
- Insider threats (e.g., a staff member intentionally or negligently misusing privileged access
While data breaches can be devastating in any industry, lawyers’ unique ethical obligations make data security especially critical for their organizations.
Data security is essential for protecting sensitive client information, preserving attorney–client privilege, and meeting strict legal and ethical obligations. Strong safeguards not only prevent costly breaches and regulatory penalties, but also protect the firm’s reputation and ensure continued client trust.