{"data":{"id":"24c9de5b-fe83-41a9-b2ae-1b3bd6e18db6","title":"AI 'watermark removers' flood the web. Almost none can prove they work.","summary":"Anthropic has added invisible watermarks (digital markers embedded in text to identify AI-generated content) to Claude's outputs, and numerous tools have quickly appeared claiming to remove these watermarks, though most cannot be verified to work. The actual watermark is embedded in the model's word choices rather than hidden characters, so removing it would require rewriting text with a different AI model, but Anthropic has not yet released a public detector to verify whether these removal tools are effective.","solution":"N/A -- no mitigation discussed in source.","labels":["security","safety"],"sourceUrl":"https://www.bleepingcomputer.com/news/security/ai-watermark-removers-flood-the-web-almost-none-can-prove-they-work/","publishedAt":"2026-08-13T17:33:28.000Z","cveId":null,"cweIds":null,"cvssScore":null,"cvssSeverity":null,"severity":"medium","attackType":["supply_chain"],"issueType":"news","affectedPackages":null,"affectedVendors":["Anthropic","OpenAI","Google"],"affectedVendorsRaw":["Anthropic","Claude","OpenAI","GPT","Google","Gemini","SynthID","StealthGPT","Turnitin","GPTZero","Human Writes"],"classifierModel":"claude-haiku-4-5-20251001","classifierPromptVersion":"v3","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":null,"epssScore":null,"patchAvailable":null,"disclosureDate":"2026-08-13T17:33:28.000Z","capecIds":null,"crossRefCount":0,"attackSophistication":"moderate","impactType":["integrity"],"aiComponentTargeted":"model","llmSpecific":true,"classifierConfidence":0.85,"researchCategory":null,"atlasIds":null}}