Start free trial

The trick: Scope Swap

The headline says an AI startup hacked Anthropic in 12 hours.

It was a test under Anthropic's own programme for outside researchers, through third-party sales and admin software.

Issue 621 November 202611 receipts3 min
A tester walks in through a vendor side door while a crowd stares at a locked front gate.
AI illustration

India Today's headline says an AI startup hacked Anthropic in 12 hours, gaining employee details and internal messages.

Before you read on. Your call?

The access happened in a test under Anthropic's programme for outside researchers, through third-party business software.

The twist

Anthropic confirms a limited set of systems were reached, and says Claude chats, source code and model weights were not.

12 hoursTime Cathedral's agents ran before finding paths in
$160 millionRaised by Cathedral in July

There’s more to this story.

Membership opens the full investigation, the strongest counterargument and what to do with what you’ve learned.

30 days free, then A$89 a year. Payment card required. Cancel before the trial ends to avoid the first charge.

Start free trial →
  1. At sign-up: 30 days free. Payment card required. One introductory trial per customer.
  2. Your trial ends 30 days after you start. Unless you cancel before then in Account → Manage subscription, we charge A$89 for the first year. It renews automatically at A$89/yr until cancelled.
  3. You can ask for a full refund within 14 days after any annual payment, renewals included, with no reason needed, by emailing hello@bskiller.com. This voluntary refund does not limit your rights under the Australian Consumer Law.

By starting your trial, you agree to the Terms.

Inferno Tech Pty Ltd t/a BS Killer, ABN 27 647 413 474

Already a member? Sign in

The trick has a name

We call it Scope Swap: applies to far less than it sounds like. You'll see it again. Learn to spot it →

Say this in tomorrow's meeting“Cathedral didn't break Claude. It tested Anthropic under an invite programme and, per Anthropic, reached a limited set of sales, HR and IT systems through vendor software.”

Receipts

  1. Supports indiatoday.in: A cybersecurity startup called Cathedral gained access to sensitive internal systems at Anthropic in less than 12 hours
  2. Context indiatoday.in: The incident was discovered during a security test conducted under Anthropic's programme for outside researchers to identify vulnerabilities.
  3. Refutes indiatoday.in: Anthropic confirmed that the researchers accessed a limited set of its sales, human resources and IT systems.
  4. Supports indiatoday.in: “This is a really hard problem, but Anthropic could have done a lot better,” Stamos said.
  5. Refutes decrypt.co: The way in was not Claude, Anthropic's AI assistant, but third-party administrative and sales software
  6. Refutes decrypt.co: Customer conversations with Claude, source code and model weights, the billions of numbers that make up the trained AI, were not accessed, Anthropic said.
  7. Context decrypt.co: The startup raised $160 million at a $1.4 billion valuation in July.
  8. Context cellcog.ai: They disagree on how far it went, what it means, and whether Cathedral kept to the rules of the bug bounty program it tested under.
  9. Supports indiatoday.in: AI startup hacks Anthropic in 12 hours, gains access to employee details and internal messages
  10. Supports indiatoday.in: exposing employee information, salary details, job offers and internal messages
  11. Context indiatoday.in: develops AI-powered cybersecurity tools for government agencies and corporate clients

Open the Receipts Pack → What each source proves, every figure traced, and what would change our verdict.

Checked by the BS Killer desk · ruled 1 Nov 2026 · How we check →

Get tomorrow's check in your inbox.

One AI claim a night, checked against independent sources, receipts attached. Free.

Free email updates. Unsubscribe any time.

This story is a stable, citable object. If you can falsify a verdict,tell us. Corrections are loud here.