Phishing Frenzy: Cloudflare Workers Abused in Massive Credential Harvesting Scam

Cybersecurity researchers warn of phishing campaigns abusing Cloudflare Workers to steal credentials from Microsoft, Gmail, Yahoo!, and cPanel. Using adversary-in-the-middle phishing, attackers intercept login data via reverse proxy servers. This sophisticated strategy highlights the growing trend of HTML smuggling to evade security protections.

Hot Take:

When life gives cybercriminals lemons, they make phishing lemonade! Cloudflare Workers are now being exploited to trick us into handing over our digital keys, all while making it look as transparent as grandma’s favorite cookie jar. And just like grandma, we need to be vigilant before taking a bite!

Key Points:

  • Cybercriminals are using Cloudflare Workers to serve phishing sites that steal credentials for Microsoft, Gmail, Yahoo!, and cPanel Webmail.
  • Technique involves using Cloudflare Workers as a reverse proxy server to intercept and capture login credentials.
  • Phishing campaigns are targeting victims primarily in Asia, North America, and Southern Europe.
  • HTML smuggling and sophisticated payload delivery methods are being used to bypass modern security defenses.
  • Adversaries are leveraging phishing-as-a-service (PhaaS) toolkits and generative AI to craft more effective phishing attacks.

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