Home › Intelligence › AI AI Oct 31, 2026 1 min read Published by The Decoder · Oct 31, 2026 · 7:20 PM UTCOn GETSECURE.ai · Oct 31, 2026 · 8:02 PM UTC Anthropic's watermark rollout leaves a loophole on two older Claude models Title card · GETSECURE.ai Anthropic is expanding its text watermark to four more Claude models to meet the EU AI Act's December deadline.Excerpt from The DecoderGETSECURE.ai hasn't published its own summary of this story yet. The complete report is at The Decoder:Read the full story at The Decoder → References The Decoder. (2026, October 31). Anthropic's watermark rollout leaves a loophole on two older Claude models. The Decoder. https://the-decoder.com/anthropics-watermark-rollout-leaves-a-loophole-on-two-older-claude-models/ Original Source The Decoder Read original → Related Intelligence AIAnthropic clamps down on Claude’s AI video game clonesNov 2, 2026AIAI agents hacked Anthropic, maker of arguably the most capable AI models for cyberdefenseOct 28, 2026AIAnthropic says Claude accidentally hacked real companies tooAug 1, 2026AIAnthropic found a hidden space where Claude puzzles over conceptsJul 10, 2026 Get the Signal. Skip the Noise. Weekly intelligence briefing — curated, scored, explained. Subscribe