Wednesday 4 November
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Attackers hijack corporate AI model access, running up cloud bills of up to $1 million

Severity
High
Sources
1

Criminals are stealing access to companies' paid artificial intelligence services and reselling it to others. The victims are left with huge cloud bills, with some reaching nearly $1 million. Researchers say the attacks often start with leaked or stolen passwords and access keys.

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What to do

  1. Rotate any exposed cloud credentials, service account keys, API keys and GitHub tokens.
  2. Scan repositories and secret managers for leaked keys and passwords.
  3. Investigate unexpected AI service activation, new access keys, and unusual model requests.
  4. Patch LiteLLM gateways against CVE-2026-40217 and enforce model-specific quotas.

Written by AI from the sources, checked against them

Full story timeline · 1 update

  1. Wed 4 NovemberHackers Launch LLMHijacking Attacks, Leaving Companies With $1 Million in Cloud BillsCyber Security News

Who reported · 1 outlet

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