Domains Once Owned by Major Firms Help Millions of Spam Emails Bypass Security
February 27, 2024 at 09:45AM Guardio reported a significant campaign named SubdoMailing, conducted by threat actor ResurrecAds, using 8,800 hijacked domains and over 13,000 associated subdomains to send approximately five million emails daily. This campaign aims to exploit forgotten subdomains from major companies to bypass spam filters and lead users to phishing and scam websites. … Read more