Decrypted: The UK Cyber Briefing
Oct 3, 2026 · 5 min · 7 segments
Proofpoint says a China-aligned group posed as an Anthropic employee and former US officials to steal Microsoft 365 sessions from AI policy experts. The Secure by Design fix is origin-bound…
Picture a policy analyst getting a courteous email.
It's from a senior figure at a leading AI company, and it asks for their views on the military use of its model.
According to Proofpoint, reported this week, that's how a China-aligned group it tracks as TA419 went after US experts in AI policy and export controls.
Stop protecting accounts with secrets that a persuasive stranger can talk people into typing.
Picture a policy analyst getting a courteous email.
It's from a senior figure at a leading AI company, and it asks for their views on the military use of its model.
According to Proofpoint, reported this week, that's how a China-aligned group it tracks as TA419 went after US experts in AI policy and export controls.
Stop protecting accounts with secrets that a persuasive stranger can talk people into typing.
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