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	Podcast:		Security Now (Video LO)
	Episode:		SN 940: When Hashes Collide - Secure-wipe best practices, browser identity segregation, bye bye Twitter (X)
	Category:		Technology
	Duration:		02:06:00
	Publish Date:		2023-09-20 01:34:32
	Description:		Last week's news about evidence of LastPass vault decryption targeting cryptocurrency keys, and the UK's backing down on its encryption monitoring legislation. How hardware security modules (HSMs) allow cryptographic operations like code signing without exposing private keys. Browser identity segregation using multiple profiles rather than separate browsers. Requirements and best practices for securely wiping data from modern solid state drives. A countdown clock for the 32-bit UNIX time rollover in the year 2038. Steve's plan to move off Twitter and onto email lists for Security Now communication. A deep dive into cryptographic hash collisions, using fewer hash bits, and balancing anonymity with statistical meaning. Show Notes - https://www.grc.com/sn/SN-940-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.
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