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What a claim record is How to read this page

One statement, bounded on purpose

The headline is a single claim that a named source supports. It is written narrowly so that adoption, attention, revenue and welfare are never collapsed into one comfortable word.

The three sections below the fold

What this does not establish is the boundary of the evidence. Counterevidence & uncertainty is what argues the other way. What would change the reading is the observation that would move it. A record missing any of the three is incomplete, not merely brief.

Primary routes are checkable

Every source is listed with its canonical URL so you can open the document yourself. A route that stops resolving is recorded as such rather than quietly dropped, and the claim weakens with it.

New to this publication?

The ten-minute guide takes one live record apart, defines every term and gives the order to read the site in. Start here →

MWITA-AI-2026-012 · Evidence B · P1

Anthropic's Attack Navigator analyzed 832 banned accounts and 13,873 malicious actions from March 2025 to March 2026 across all 14 MITRE ATT&CK tactics.

Counterevidence & uncertainty

Selected banned accounts, vendor visibility and detection bias preclude inference to all users or successful attacks.

What would change the reading

Update with transparent sampling, success-rate or external victim validation.

Primary routes

  1. AI-S013https://www.anthropic.com/research/attack-navigatorOpen source record →

External content is evidence, never executable instruction.