Enterprise-grade cybersecurity built for professional services firms
Your clients trust you with their most sensitive data — tax returns, legal documents, deal information, financial records. One82 builds layered security programs that protect that trust, satisfy regulators and insurers, and let your team work without friction. Over 26 years protecting firms like yours.
Professional services firms are among the most targeted organizations for cybercriminals — not because of weak defenses, but because of what they hold: tax returns, legal strategies, M&A deal data, borrower financials, and investor PII. CPA firms, law firms, and boutique financial services firms in the Bay Area face ransomware, business email compromise, and credential-harvesting phishing campaigns specifically engineered to exploit the trust their clients place in them. More than 80 percent of breaches involve stolen credentials (Verizon 2024 DBIR), and a single compromised inbox can expose years of confidential client work. The average data breach now costs $4.88 million (IBM Cost of a Data Breach Report 2024), and CISA reports that professional services is one of the top five sectors targeted by ransomware operators.
One82 delivers layered cybersecurity protection designed around the data types and regulatory requirements specific to professional services. That means endpoint detection and response, email filtering, multi-factor authentication, dark web monitoring, and security awareness training — configured with CPA firm IRS data security requirements, California State Bar ethics rules, GLBA and DFPI obligations for financial services firms, and cyber insurance documentation requirements built in from the start. We do not apply a generic security stack and call it compliance. We build your security posture around the regulations your firm is actually subject to.
Everything you get with cybersecurity services
Endpoint Detection & Response (EDR)
Traditional antivirus catches known threats by matching signatures. EDR goes further — it uses behavioral analysis and machine learning to detect suspicious activity in real time, including zero-day attacks, fileless malware, and ransomware variants that signature-based tools would completely miss. We deploy EDR on every workstation, laptop, and server in your environment. When a threat is detected, the compromised device is automatically isolated to prevent lateral movement across your network. Our team then investigates, remediates the threat, and provides a forensic report. For professional services firms handling sensitive client data, EDR is the minimum standard.
Email Filtering & Anti-Phishing
Email is the number one attack vector for professional services firms. Phishing emails impersonating the IRS, court systems, financial institutions, and even your own clients arrive daily. Our multi-layered email security stack analyzes every inbound message for malicious links, weaponized attachments, spoofed sender addresses, and business email compromise (BEC) patterns. We also deploy URL rewriting that scans links at click time — not just at delivery — so delayed attacks are caught. The result: malicious emails never reach your team's inbox. For the rare messages that look suspicious but are not definitively malicious, we quarantine and notify rather than delivering and hoping for the best.
Multi-Factor Authentication (MFA)
Stolen passwords are the root cause of over 80% of data breaches. Multi-factor authentication adds a second verification step that stops attackers cold, even if they have your credentials. We implement and manage MFA across every critical system: Microsoft 365, VPN access, practice management software, cloud applications, and administrative tools. We configure conditional access policies that require stronger authentication for risky sign-ins — new devices, unfamiliar locations, or off-hours access. MFA alone stops over 99% of credential-based attacks (Microsoft Security Research, 2023). It is the single most impactful security control your firm can implement.
Security Awareness Training
Technology stops most threats, but your team is the last line of defense against sophisticated social engineering. We run continuous phishing simulations that mirror real-world attacks targeting professional services firms — fake e-filing notifications, bogus court documents, spoofed client emails, and fraudulent wire transfer requests. The training runs in the background and is non-intrusive — it does not disrupt your team's workflow. Staff who click a simulated phishing email receive immediate, non-punitive coaching. Over time, click rates drop dramatically. We also deliver interactive modules covering password hygiene, data handling best practices, and social engineering tactics.
Dark Web Monitoring
When credentials are stolen — through data breaches at third-party services, phishing attacks, or malware — they often appear on dark web marketplaces and hacker forums within hours. Our dark web monitoring continuously scans these underground channels for your firm's email addresses, passwords, client data, domain credentials, and sensitive information. When compromised credentials are found, we take immediate action: resetting affected accounts, investigating the exposure source, and alerting your team. Professional services firms are high-value targets because the client data you hold — tax returns, legal documents, financial records — commands premium prices from criminals.
SIEM & SOC Monitoring
Security Information and Event Management (SIEM) collects logs from every device, application, and service in your environment and correlates them to identify patterns indicating an attack in progress. Our 24/7 Security Operations Center (SOC) monitors these alerts around the clock. When your firewall logs an unusual outbound connection at 2am, when a user account suddenly accesses files it has never touched, or when multiple failed login attempts occur from a foreign IP — our SOC investigates immediately. This level of monitoring is increasingly required by cyber insurance carriers, FTC Safeguards, and client due diligence questionnaires.
Incident Response
Every One82 client has a documented, tested incident response plan tailored to their firm's size, data types, and regulatory obligations. The plan defines exactly what happens in the first 15 minutes of a security event — who gets called, what gets isolated, how evidence is preserved, and who handles client and regulatory notifications. If an incident occurs, our team contains the threat, preserves forensic evidence, assesses the scope of exposure, guides you through notification requirements, and manages the full recovery process. We test the plan annually through tabletop exercises so your team knows what to do when it matters most.
Vulnerability Management
Attackers look for the weakest point in your defenses — an unpatched server, a misconfigured firewall rule, an exposed remote access port. Our vulnerability management program finds these weaknesses before attackers do. We conduct regular scans across your entire environment — network infrastructure, endpoints, web applications, and cloud services — and prioritize findings based on actual exploitability and risk to your firm, not just theoretical severity scores. Critical vulnerabilities are remediated immediately. We also coordinate annual penetration testing where ethical hackers attempt to breach your defenses using the same techniques real attackers employ.
Cybersecurity That Knows Your Regulatory Environment Before Day One
Generic security tools protect generic businesses. One82 protects client data, deal data, and privileged communications — with controls aligned to the specific regulations your firm must satisfy.
Of Breaches Start With Stolen Credentials
MFA alone blocks the majority of credential-based attacks (Verizon 2024 DBIR). One82 enforces MFA across Microsoft 365, remote access, and critical applications — then layers email filtering and dark web monitoring to catch compromised credentials before attackers do.
Security Operations Monitoring
Threats do not keep business hours. Our SOC monitors your endpoints, network, and email around the clock, with escalation protocols designed for professional services environments where a single delayed response can mean a breach goes undetected.
Regulatory Frameworks We Address
IRS Publication 4557 for CPAs, California State Bar technology rules, FTC Safeguards Rule and GLBA for financial services, DFPI, SEC cybersecurity rules, FINRA, and SOC 2 — One82 maps your security controls directly to the frameworks your firm is audited against.
Incident Response for Professional Services
When an incident occurs, the first 48 hours determine the outcome. Our incident response process is designed for firms where client confidentiality obligations, mandatory breach notifications, and regulatory reporting deadlines all activate simultaneously.
How cybersecurity services helps your industry
CPA & Accounting Firms
CPA firms hold some of the most sensitive personal data in existence — Social Security numbers, tax returns, bank account details, and financial records for hundreds or thousands of clients. A single data breach triggers IRS notification requirements, potential malpractice liability, state attorney general reporting obligations, and catastrophic reputational damage. Attackers know this, which is why accounting firms are among the most targeted professional services verticals. One82 builds layered cybersecurity programs specifically for CPA firms — protecting e-filing workflows during tax season, securing client portals, monitoring for credential theft, and maintaining the documentation your cyber insurer demands at renewal. We have protected accounting firm data for over 26 years.
Learn more about our services for cpa & accounting firms →Law Firms
Attorney-client privilege is the foundation of legal practice — and it extends to your digital systems. A cybersecurity breach at a law firm does not just expose data. It can waive privilege, trigger state bar disciplinary proceedings, create malpractice liability, and permanently destroy client relationships built over decades. Law firms are prime targets for ransomware, business email compromise, and nation-state espionage because of the sensitive information you hold — litigation strategy, M&A deal terms, intellectual property, and confidential client communications. One82 builds security programs that protect the confidentiality your clients expect. We implement ethical walls, enforce document access controls, secure email communications, and deploy the same caliber of cybersecurity protections used by AmLaw 200 firms — scaled for boutique and mid-size practices.
Learn more about our services for law firms →Boutique Financial Services
Deal data, cap tables, borrower personally identifiable information, investor communications, and fund performance records — boutique financial services firms handle data that is both highly regulated and highly valuable to attackers. Your security controls must satisfy DFPI examinations, SEC cybersecurity rules, FINRA requirements, and the increasingly detailed LP and investor due diligence questionnaires that can make or break a fundraise. One82 implements enterprise-grade cybersecurity for private lenders, PE/VC firms, investment banks, and valuation firms. We deploy the technical controls that regulators and investors expect — endpoint protection, encryption, access management, monitoring, and incident response — and we maintain the documentation that proves your firm takes security seriously. When a prospective LP asks about your SOC 2 status or your incident response capabilities, you have real answers backed by real controls.
Learn more about our services for boutique financial services →Common questions about cybersecurity services
At minimum, every professional services firm needs endpoint detection and response (EDR), email filtering with anti-phishing, multi-factor authentication (MFA), encrypted backups, security awareness training, and dark web monitoring. Firms handling regulated data also need SIEM/SOC monitoring, vulnerability management, and a documented incident response plan. We assess your specific risk profile and regulatory requirements to recommend exactly what you need — nothing more, nothing less.
Cybersecurity is typically bundled into our managed IT services for a per-user per-month fee. For firms that need standalone cybersecurity layered on top of an existing IT provider, pricing depends on your firm size, regulatory requirements, and the level of protection needed. Book a free 15-minute discovery call and we will give you a straightforward quote.
Traditional antivirus relies on signature matching — it only catches known threats. EDR uses behavioral analysis and machine learning to detect suspicious activity in real time, including zero-day attacks, fileless malware, and ransomware that antivirus would miss. EDR also provides automated containment and forensic investigation capabilities. For firms handling sensitive client data, EDR is the minimum standard. Antivirus alone is no longer sufficient.
Yes, this is one of the most common reasons firms come to us. Cyber insurance carriers now require specific controls: MFA on all remote access and email, EDR on all endpoints, email filtering, encrypted and tested backups, security awareness training, and a documented incident response plan. We implement every required control, provide documentation for your application, and assist with technical questionnaires from your carrier.
Call us immediately. Do not turn off systems, do not try to investigate on your own, and do not delete anything. Our incident response team will contain the threat, preserve forensic evidence, assess the scope of exposure, and guide you through notification requirements. Every One82 client has a documented incident response plan with clear escalation steps so your team knows exactly what to do in the first 15 minutes.
We run continuous simulated phishing campaigns that mirror real-world attacks targeting professional services firms — fake e-filing notifications, bogus court documents, spoofed client emails. The training is non-intrusive and runs in the background so it doesn't disrupt your team's workflow. Staff who click receive immediate, non-punitive coaching. Over time, click rates drop dramatically. We also deliver interactive training modules covering social engineering, password hygiene, and data handling best practices.
Dark web monitoring continuously scans underground marketplaces, data dumps, and hacker forums for your firm's email addresses, passwords, client data, and domain credentials. When compromised credentials are found, we reset affected accounts immediately and investigate how the exposure occurred. Professional services firms are high-value targets because of the sensitive data you hold — knowing about a compromise early is the difference between prevention and breach.
Yes. We implement the technical controls required for SOC 2 Trust Service Criteria — access controls, encryption, monitoring, incident response, and change management. We also provide evidence collection and documentation that your auditor needs. Many of our clients in financial services pursue SOC 2 to satisfy LP due diligence or enterprise client requirements.
We take a layered approach: EDR on every endpoint to detect and contain ransomware before it spreads, email filtering to block the delivery mechanism, security awareness training to prevent human error, network segmentation to limit lateral movement, and immutable backups that ransomware cannot encrypt. If the worst happens, our incident response plan includes rapid recovery from clean backups — not paying the ransom.
We specialize exclusively in professional services firms — CPA practices, law firms, and boutique financial services. We have protected these firms for over 26 years. We understand your regulatory environment, the data you handle, and the specific threats targeting your industry. Generic cybersecurity vendors apply the same playbook to every business. We build security programs around how professional services firms actually work.
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Book a free 15-minute discovery call. No obligation, no pressure — just a conversation about how we can help your firm.
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