Researchers Detail 'Dark Sourcery' Campaign Poisoning ChatGPT, Gemini With Fake Support Info

Vigilance Security researchers say attackers are seeding tens of thousands of web pages, PDFs, reviews and fake support portals with fraudulent phone numbers, emails and login links, aiming to get AI chatbots like ChatGPT, Google Gemini and Google AI Overview to surface them as trustworthy answers. The campaign, named Dark Sourcery, has reportedly affected at least 374 companies, including Fortune 100 firms, airlines, banks, travel companies and software providers.