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AI models are getting better at replacing cybersecurity pros on certain tasks

ID: 45911f31-7049-5b1a-8d9c-a3a8d902efa4

STIX ID: report--45911f31-7049-5b1a-8d9c-a3a8d902efa4

Feed Name: The Register (Security)

Date Published: 2026-05-14

Date Updated: 2026-05-14

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The UK AI Security Institute (AISI) finds that frontier LLMs such as Claude Mythos Preview and GPT-5.5 are becoming markedly more efficient at performing cybersecurity tasks, with the AISI "time window benchmark" showing substantial reductions in human-comparable task time and rapid doubling rates; however, AISI cautions this is a narrow metric and does not necessarily indicate equivalent performance against defended, real-world systems.

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