Industry Guide

Accounting & CPA Cybersecurity Risk Assessment — Free AI-Powered Analysis

Accounting firms and CPA practices hold the most complete financial picture of their clients — tax returns, bank statements, SSNs, investment accounts, and business financials. The IRS requires tax preparers to maintain a Written Information Security Plan (WISP). The FTC Safeguards Rule applies to any accounting firm providing financial services.

📅 Updated May 2026 ⏱ 5 min read 🏢 Accounting & CPA Firms Sector

Required

Written information security plan under IRS Publication 5293

IRS Publication 5293

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See exactly how your accounting & cpa firms organization scores on cybersecurity readiness

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Top Cyber Risks for Accounting & CPA Firms Businesses

Tax identity theft and refund fraud

Stolen client tax data enables $5.5B+ in annual IRS refund fraud

IRS WISP and Safeguards Rule violations

IRS suspension of e-filing privileges; FTC civil penalties up to $50K/day

Phishing targeting tax season credentials

Tax preparers are targeted during peak season with credential-harvesting campaigns

Client portal and cloud storage breaches

58% of accounting firm breaches involve compromised document portals

Compliance Requirements

Every tax preparer must have a Written Information Security Plan (WISP) per IRS Publication 5293 and FTC Safeguards Rule 16 CFR Part 314. The AICPA's SOC 2 framework is increasingly required by enterprise clients for CPA firms.

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CyberStackHub Tools for Accounting & CPA Firms

These tools are most relevant for accounting & cpa firms businesses based on your sector's specific risk profile and compliance requirements.

Compliance Gap Analysis

Maps your controls against FTC Safeguards Rule, IRS WISP requirements, and SOC 2 criteria

Security Policy Generator

Generate your IRS-required Written Information Security Plan and supporting policies

Security Audit

Identifies client portal vulnerabilities, authentication gaps, and data encryption deficiencies

Vendor Risk Assessment

Tax software, document portals, and payroll processors all require third-party security assessment

Accounting & CPA Firms Cybersecurity Statistics

Data from public sources including Verizon DBIR, IBM Cost of Data Breach, FBI IC3, and industry-specific research.

$5.5B+

In annual IRS refund fraud enabled by stolen tax preparer credentials

IRS Annual Report 2024

Required

WISP for every tax preparer under IRS Publication 5293

IRS Publication 5293

$50K/day

Maximum FTC civil penalty for Safeguards Rule violations

FTC Safeguards Rule

58%

Of accounting firm breaches involve compromised document portals

Verizon 2025 DBIR