<ul data-eligibleForWebStory="false">Nvidia events page and US government vaccine hub among those targeted in a cyberattack.Nvidia's events page showed explicit and AI-generated content resulting from the hijacking.Over 62,000 AI-generated articles were posted on the Nvidia page with inaccuracies.US HHS domain providing vaccine advice also defaced in a similar manner.The AI-generated content did not have a consistent theme.Spam pages directed users to a 'nonsense SEO spam page' at stocks.wowlazy[.]com.Cybercriminals hijacked the websites but without deploying malware for profit.The spam content included explicit as well as mundane information.Discovery of the spam campaign occurred during a search for 'best Portland cat cafes.'There was no indication of malware or infostealers being part of the attack.SEO is being utilized by cybercriminals to reach a wider audience.Mitigation strategies include disabling push notifications from unknown sites and cautious link-clicking.TechRadar Pro approached CDC, NPR, Stanford, and Nvidia for comments without responses yet.Cybercriminals are leveraging SEO to promote fake AI tools with malware.Subscription to TechRadar Pro newsletter offers business-related news and guidance.