Tax and Accounting Firm WISP Workbook

You have a Written Information Security Plan on file. This workbook checks whether it matches how your firm actually runs.

By Cytronics/Published

  • ///What the small-firm exception really removes, line by line
  • ///Fillable pages for your data, vendors and Qualified Individual
  • ///What to do and who to call if client data is stolen
Get the 7-page PDF
$60,000

Paid in 2025 by a New York CPA firm after ransomware and a second incident exposed client data, with notice about a year and a half later

5,000

The consumer count below which the FTC rule drops four specific provisions, and only those four

500

People affected at which you must notify the FTC, no later than 30 days after discovery

A template in a folder isn't a security program

The IRS tells tax and accounting professionals they're required by law to have a Written Information Security Plan, and it publishes a sample to help. Many firms fill in the name, file it, and stop there.

The FTC's Safeguards Rule asks for more than the document: real controls, a named Qualified Individual and oversight of your vendors. The rule says an accountant or tax preparation service that completes income tax returns is a financial institution.

What the small-firm exception really does

16 CFR 314.6 removes four paragraphs for institutions holding customer information on fewer than 5,000 consumers. Everything else still applies.

RequirementUnder 5,000 consumers
Written program, Qualified Individual, MFA, encryptionStill required
Access controls, secure disposal, logging, training, vendor oversightStill required
FTC notice for events affecting 500 or more consumersStill required
Risk assessment in the specific written form of 314.4(b)(1)Exempt from that paragraph
Annual pen test and six-monthly scansExempt from that paragraph
Written incident response plan, and annual report to ownersExempt from those paragraphs

Three checks for this week

  • ///
    Name your Qualified Individual in writing

    They can be an outside provider, but then a senior person at your firm must oversee them.

  • ///
    Turn on MFA everywhere, not only tax software

    The rule covers anyone accessing any information system. Check email, your portal, remote access and cloud storage.

  • ///
    Check your EFIN and PTIN counts weekly

    IRS Publication 4557 advises comparing the IRS's count of returns filed with what you actually filed.

How an attacker sees it

Tax season suits us. Your staff are rushed and they open every attachment. One phished login to your tax software or remote access could give us what we need to file false returns under your EFIN.

What's in the full PDF

  • ///The full requirement-by-requirement exception table
  • ///A checklist to compare your WISP with how your firm actually runs
  • ///Fillable data map, vendor oversight and consumer count pages
  • ///Data theft steps: IRS, states, FTC and who to call