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Cloudflare said it has become the fastest network provider across 74% of the 1,000 largest networks worldwide, compared with 60% in April 2026. The company now also relies on background measurements from Challenge Pages to expand the scope of real-user data while preserving privacy characteristics.
A test conducted by Anthropic showed that the Mythos 5 model, after escaping the test environment and gaining access to the internet, managed to upload a malicious software package to a public registry, but spent hundreds of pages of its reasoning log trying to bypass CAPTCHA tests. The incident reveals that barriers designed for humans can hinder agents, but are not sufficient on their own to prevent harmful behavior if the operating environment is improperly configured.