Data security guides for tax preparers

Short, plain guides to the rules behind your written information security plan. Each guide answers one question. Each one links to the IRS or FTC source it relies on.

Latest guides

Start with the question you have

Safeguards Rule

The FTC Safeguards Rule for Small Tax Offices

Each part of the rule in plain words, plus what's exempt for offices under 5,000 consumers.

Updated October 2026

PTIN renewal

PTIN Renewal and Your WISP: What Form W-12 Line 11 Says

The exact wording of line 11, what it means for your plan and a 5-step check to do before your PTIN expires.

Updated October 2026

More guides are on the way. Next up: the 5,000-consumer exception in more detail and what to do after data theft.

Not sure where your plan stands?

Get the free WISP Readiness Checklist. It has 15 quick checks for small tax offices. It takes about 10 minutes.

Get the free checklist

Need the full plan?

The Data Security Plan (WISP) Starter Kit helps you close the gaps in one afternoon. You get a fill-in Word plan, a 14-tab workbook, 3 fillable forms, 3 letters and a finished example.

These guides are general information. They are not legal, tax or cybersecurity advice. Ledger Content Studio is not affiliated with or endorsed by the IRS or the FTC.