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October 26, 2026

Flávio Bolsonaro calls for Brazil's election to be annulled after narrow defeat to Lula

Also: Anthropic prepares IPO filing as draft prospectus shows soaring revenue, $80bn half-year loss‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ 

X-Risk Daily

Monday 26 October 2026

Fanatical & Malevolent Actors
Flávio Bolsonaro calls for Brazil's election to be annulled after narrow defeat to Lula
Brazil's President Luiz Inácio Lula da Silva was elected to a fourth term in the runoff held on 25 October 2026, and his challenger, Senator Flávio Bolsonaro, responded by calling for the vote to be annulled.

Also in this issue

Transformative AI
Anthropic prepares IPO filing as draft prospectus shows soaring revenue, $80bn half-year loss
Transformative AI
US Army builds autonomous AI hacking agents; Pentagon reportedly creating tech-sabotage agency
Transformative AI
OpenAI to stop training frontier models on the live internet, citing 'significant risks'
Transformative AI
Researchers warn police AI tools may deepen discrimination against minorities
Research
Replication finds Claude Opus 5.5 explains far more GPT-2 XL neurons than GPT-4 did in 2023
Research
Single-direction adapter matches GRAFT at suppressing reward hacking with a fraction of the parameters

… and 24 more in the full briefing

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