Bill Gates and MI5 Chief Sound Alarms on AI-Enabled Cyber and Bioweapon Risks, Urging Regulatory Action

Microsoft co-founder Bill Gates warned during an October 11, 2026, appearance on CNN's State of the Union that artificial intelligence represents 'the most dangerous technology humans ever invented,' predicting 'a lot of negative surprises' primarily in the cyber domain over the next year as malicious actors remove built-in safeguards from advanced models.

Speaking with host Jake Tapper, Gates emphasized that the immediate threat stems not from uncontrolled AI systems—which he said remain years away—but from criminals exploiting the technology for extortion, market manipulation, or other proven schemes. He compared AI to regulated fields like aviation, automobiles, and pharmaceuticals, arguing that self-governance by tech firms is insufficient and that government oversight bodies akin to the FAA or FDA will likely emerge within the year.

Gates also highlighted parallel risks in bioterrorism, noting that safeguards against such misuse can similarly be stripped away. Days later, on October 13, MI5 Director General Sir Ken McCallum echoed these concerns in his annual threat assessment, stating that AI is 'already supercharging the cybersecurity contest' and carries significant potential to alter the landscape of bioweapons. McCallum announced the creation of an AI Threat Assessment Centre within MI5 to monitor these evolving risks, warning that even lower-sophistication actors could gain access to knowledge on chemical, biological, or radiological weapons.

These statements align with broader discussions among AI leaders, including OpenAI's Sam Altman and Anthropic's Dario Amodei, who have flagged the need for greater caution. The warnings connect to documented trends in rising AI-assisted cyber incidents and underscore systemic challenges in governing dual-use technologies that promise medical and scientific advances while enabling novel threats.