Hackers could steal sensitive personal data from former startup employees by exploiting abandoned company domains and Google login systems, security researcher Dylan Ayrey revealed at ShmooCon conference. The vulnerability particularly affects startups that relied on "Sign in with Google" features for their business software. Ayrey, CEO of Truffle Security, demonstrated the flaw by purchasing one failed startup's domain and accessing ChatGPT, Slack, Notion, Zoom and an HR system containing Social Security numbers. His research found 116,000 website domains from failed tech startups currently available for sale. While Google offers preventive measures through its OAuth "sub-identifier" system, some providers avoid it due to reliability concerns - which Google disputes. The company initially dismissed Ayrey's finding as a fraud issue before reversing course and awarding him a $1,337 bounty. Google has since updated its documentation but hasn't implemented a technical fix, TechCrunch reports.
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