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Security Now 1035: Cloudflare's 1.1.1.1 Outage

Author
TWiT
Published
Wed 23 Jul 2025
Episode Link
https://twit.tv/shows/security-now/episodes/1035


  • Bypassing all passkey protections.

  • The ransomware attacks just keep on coming.

  • Cloudflare capitulates to the MPA and starts blocking.

  • The need for online age verification is exploding.

  • Microsoft really wants Exchange Servers to subscribe.

  • Russia (further) clamps down on Internet usage.

  • The global trend toward more Internet restrictions.

  • China can inspect locked Android phones. Use a burner.

  • Web shells are the new buffer overflow.

  • An age verification protocol sketch.

  • What Cloudflare did to create an outage of 1.1.1.1

Show Notes - https://www.grc.com/sn/SN-1035-Notes.pdf


Hosts: Steve Gibson and Leo Laporte


Download or subscribe to Security Now at https://twit.tv/shows/security-now.


You can submit a question to Security Now at the GRC Feedback Page.


For 16kbps versions, transcripts, and notes (including fixes), visit Steve's site: grc.com, also the home of the best disk maintenance and recovery utility ever written Spinrite 6.


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