SANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast)

SANS Stormcast Tuesday, April 22nd: Phishing via Google; ChatGPT Fingerprint; Asus AI Cloud Vuln; PyTorch RCE

Apr 22, 2025
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ANECDOTE

Phishing Uses Google's Ad Service

  • Jan describes a phishing attack that uses Google's own DoubleClick.net to redirect to a malicious dynamic IP site.
  • Despite being flagged by VirusTotal for a week, the ads still run, showing Google's vulnerability exploitation.
ADVICE

Block doubleclick.net as Simple Ad Blocker

  • Block doubleclick.net to effectively reduce phishing and unwanted ads.
  • Visit company websites directly to avoid missing important information due to ad blocking.
INSIGHT

ChatGPT Leaves Invisible Fingerprints

  • ChatGPT inserts invisible Unicode characters like non-breaking spaces that can fingerprint texts it generates.
  • These characters may identify which account created a document and survive simple copy-pastes.
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