SN 987: Rethinking Revocation - SinkClose, IsBootSecure, Another Bad RCE

Sitting Ducks DNS attack A Bad RCE in another Microsoft server SinkClose The CLFS.SYS BSoD IsBootSecure Rethinking Revocation Show Notes - https://www.grc.com/sn/SN-987-Notes.pdf Hosts: Steve Gibson and Leo Laporte Download or subscribe to this show at https://twit.tv/shows/security-now. Get episodes ad-free with Club TWiT at https://twit.tv/clubtwit 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. Sponsors: joindeleteme.com/twit promo code TWIT bigid.com/securitynow vanta.com/SECURITYNOW 1password.com/securitynow

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Cybersecurity guru Steve Gibson joins Leo Laporte every Tuesday. Steve and Leo break down the latest cybercrime and hacking stories, offering a deep understanding of what's happening and how to protect yourself and your business. Security Now is a must listen for security professionals every week. Records live every Tuesday at 4:30pm Eastern / 1:30pm Pacific / 21:30 UTC.