How to Submit a Quarterly Update to HMRC's Making Tax Digital API

What is being reported

Four times a year, every sole trader and landlord in Making Tax Digital (MTD) for Income Tax has to send HMRC a summary of their income and expenses. The first deadline of the 2026-27 tax year, 7 Augu

Why defenders should review it

Current threat reporting can affect exposure management, detection priorities, third-party risk, and incident readiness. Relevance depends on your assets, geography, industry, and control environment.

Defensive review checklist

1. Verify the report with the original publisher and identify whether affected products or services exist in your environment.
2. Record decisions, evidence, owners, and deadlines in the incident or vulnerability-management system.

Evidence and attribution

Raven Academy has not independently validated this event. Treat attribution, victim counts, exploit status, and impact as claims from the named publisher until corroborated.