Skip to content
2026 Tax Season Ready

Your Tax Season Cybersecurity Checklist

Complete these security tasks before filing season starts. Protect your practice during the highest-risk period of the year.

By the Numbers

300%
Increase in Attacks During Tax Season
15+
Essential Security Tasks
1hr
Time to Complete This Checklist

What Tax Season Cybersecurity Checklist Covers

Software Updates

Update all tax software, operating systems, antivirus, and firmware before filing begins.

Password Reset

Change all passwords, verify MFA is active, and review user access lists.

Backup Verification

Test your backup systems, verify recovery procedures, and ensure off-site copies.

Staff Training Refresher

Conduct a pre-season security awareness session focused on current phishing threats.

Network Security Audit

Review firewall rules, wireless settings, and ensure all devices are accounted for.

WISP Review & Update

Review and update your WISP for the new tax year, documenting any changes.

How to Get Started

1

Update Everything

Patch all software, update antivirus definitions, and check firmware on routers and printers.

2

Reset Credentials

Change passwords, verify MFA, remove departed employee access, and review admin accounts.

3

Test Backups

Perform a test restore from backups to verify data recovery works before you need it.

4

Train & Document

Brief staff on current threats, update your WISP, and document all pre-season security actions.

Start Tax Season Secure

Download our WISP template with a built-in pre-season security checklist.

Frequently Asked Questions

Ideally complete all security tasks in December before filing season begins in January. Some tasks like software updates should be repeated monthly throughout the season.

Phishing emails are the biggest risk. Criminals know tax pros are busy and stressed, making them more likely to click malicious links. Phishing volume increases 300%+ during January through April.

Yes. The IRS requires annual review of your WISP. Update it to reflect any changes in technology, personnel, or threats. Document the review date even if no changes are needed.

Address critical issues immediately — don't start filing until they are resolved. Document the finding, your remediation steps, and any timeline for full resolution in your WISP.

Protect your tax practice from cyber threats

Schedule a free consultation to assess your firm's security posture.

Tax Season Cybersecurity Checklist 2026 for Tax Professionals | Bellator Cyber Guard