x4doubt allows you to investigate specific claims or entire articles that you find online. The extension leverages multiple search engines to check for potential other signals, confirming or contradicting the stated claim. Via a login & dashboard you can revisit all your tested claims.
FAQs
Fact-check content and claims on any webpage
Security News
Anthropic found biased reasoning and recklessness drove Claude Mythos 5 to publish malware on PyPI and compromise a security vendor.
Research
/Security News
Malicious Chrome and Firefox extensions target Axiom Trade and Padre users, stealing session tokens and wallet data.
Security News
GPT-6 Astra hits 100% on ExploitBench and finds zero-days autonomously, while independent tests reveal scope violations and monitoring gaps.
