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Security Now 1101: ECDSA's Curves Origins
21 October 2026

Security Now 1101: ECDSA's Curves Origins

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An unreleased AI solved a 26-year-old cryptographic secret in less than half an hour, exposing the origins of a widely used standard. Discover what this jaw-dropping breakthrough means for the future of trust and transparency in cybersecurity.


    Another record smashing Patch Tuesday.
    But again, all those updates were not without consequences.
    Palo Alto Networks' Unit 42 reports on an agentic attack.
    A mass-compromised hardware cryptocurrency wallet attack.
    How to create your own known-safe crypto wallet.
    Feedback about AI, coding and SpinRite from a listener.
    What the reverse-engineering of the ECDSA curves means for security

Show Notes - https://www.grc.com/sn/SN-1101-Notes.pdf


Hosts: Steve Gibson and Mikah Sargent


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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