TWiT

Security Now - 16k MP3

Steve Gibson, the man who coined the term spyware and created the first anti-spyware program, creator of Spinrite and ShieldsUP, discusses the hot topics in security today with Leo Laporte. Records live every Tuesday at 4:30pm Eastern / 1:30pm Pacific / 20:30 UTC.

Author

TWiT

Category

Technology

Podcast website

twit.tv

Latest episode

Aug 27, 2025

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Episodes

SN512: Mozilla's Tracking Protection 17.06.2015

Leo and I discuss the week's most interesting recent security events and a bit of miscellany. Then we examine the revelations about the current state of Internet user tracking arising from Mozilla's Firefox tracking protection instrumentation.

SN511: Listener Feedback #214 10.06.2015

Leo and I discuss the week's major security events and discuss questions and comments from listeners of previous episodes. We tie up loose ends, explore a wide range of topics that are too small to fill their own episode, clarify any confusion from previous installments, and present real world application notes for any of the security technologies and issues we have previously discussed.

SN510: Listener Feedback #213 03.06.2015

Leo and I discuss the week's major security events and discuss questions and comments from listeners of previous episodes. We tie up loose ends, explore a wide range of topics that are too small to fill their own episode, clarify any confusion from previous installments, and present real world application notes for any of the security technologies and issues we have previously discussed.

SN509: LOGJAM: Imperfect Forward Secrecy 27.05.2015

After covering the week's most significant security news, Leo and I closely examine the week's most significant news, a major new vulnerability in the Internet's TLS protocol known as "Logjam."

SN508: Exploiting (Automobile) Keyless Entry 20.05.2015

After catching up with a busy week of security news, Leo and I take a close look at the surprisingly weak and insecure technology used for today's modern automotive keyless entry and engine start systems. We show how easily it may be bypassed... perhaps for as little as $17 on eBay.

SN507: Listener Feedback #212 13.05.2015

Leo and I discuss the week's major security events and discuss questions and comments from listeners of previous episodes. We tie up loose ends, explore a wide range of topics that are too small to fill their own episode, clarify any confusion from previous installments, and present real world application notes for any of the security technologies and issues we have previously discussed.

SN506: Law Enforcement Backdoors 06.05.2015

Leo and I catch up with the past week's most interesting security events and cover some miscellaneous tidbits. We then examine the carefully written testimony of two leading computer scientists who argue against the feasibility of incorporating encryption backdoors into commercial mobile and other device technologies.

SN505: Listener Feedback #211 29.04.2015

Leo and I discuss the week's major security events and discuss questions and comments from listeners of previous episodes. We tie up loose ends, explore a wide range of topics that are too small to fill their own episode, clarify any confusion from previous installments, and present real world application notes for any of the security technologies and issues we have previously discussed.

SN504: Great Firewalls & Cannons 22.04.2015

Leo and I catch up with the most interesting and significant security and privacy news of the week. Then we take a close look at what's known of the mechanisms China has developed - both filtering and offensive weaponry - to provide for their censorship needs and to potentially attack external Internet targets.

SN503: Listener Feedback #210 15.04.2015

Leo and I discuss the week's major security events and discuss questions and comments from listeners of previous episodes. We tie up loose ends, explore a wide range of topics that are too small to fill their own episode, clarify any confusion from previous installments, and present real world application notes for any of the security technologies and issues we have previously discussed.

SN502: The TrueCrypt Audit 08.04.2015

Leo and I catch up on a busy and interesting week of security events. Then we take a close look at the results of the just-completed second phase of the TrueCrypt audit, which focused upon the implementation of TrueCrypt's security and privacy guarantees.

SN501: Listener Feedback #209 01.04.2015

Leo and I discuss the week's major security events and discuss questions and comments from listeners of previous episodes. We tie up loose ends, explore a wide range of topics that are too small to fill their own episode, clarify any confusion from previous installments, and present real world application notes for any of the security technologies and issues we have previously discussed.

SN500: Windows Secure Boot 25.03.2015

Leo and I discuss the recent Pwn2Own hacking competition. We examine another serious breach of the Internet's certificate trust system and marvel at a very clever hack to crack the iPhone four-digit PIN lock. Then we take a close look at the evolution of booting from BIOS to UEFI and how Microsoft has leveraged this into their "Windows Secure Boot" system. We also examine what it might mean for th...

SN499: Listener Feedback #208 18.03.2015

Leo and I discuss the week's major security events and discuss questions and comments from listeners of previous episodes. We tie up loose ends, explore a wide range of topics that are too small to fill their own episode, clarify any confusion from previous installments, and present real world application notes for any of the security technologies and issues we have previously discussed.

SN498: FREAK & RowHammer 11.03.2015

Leo and I catch up with several VERY interesting security events and stories of the week. Then we take a deep dive into two of the week's big security stories: FREAK and RowHammer.

SN497: Vehicle Hacking 04.03.2015

Leo and I discuss the week's tamer-than-usual news; then we host a terrific interview of the team (recently featured on Sunday's "60 Minutes") who have been working with DARPA to address the challenge of hardening high-tech networked vehicles - autos and UAVs - against malicious hacking attacks.

SN496: Listener Feedback #207 25.02.2015

Leo and I discuss the week's major security events, including the revelation of the Lenovo Crapware and the joint GCHQ/NSA Gemalto attack which rendered cellular phones insecure. Then we discuss questions and comments from listeners of previous episodes to tie up loose ends, explore a wide range of topics that are too small to fill their own episode, clarify any confusion from previous installment...

SN495: HTTP/2 18.02.2015

Leo and I catch up with several VERY interesting security events and stories of the week. Then we take a close look and a deep dive into the operation of the industry's first change in the official HTTP protocol in 15 years - the finalization and emergence of the HTTP/2 IETF specification which significantly streamlines web browser and web server interaction.

SN494: Listener Feedback #206 11.02.2015

Leo and I discuss the week's major security events and discuss questions and comments from listeners of previous episodes. We tie up loose ends, explore a wide range of topics that are too small to fill their own episode, clarify any confusion from previous installments, and present real world ‘application notes’ for any of the security technologies and issues we have previously discussed.

SN493: Tor: Not so Anonymous 04.02.2015

After catching up with a few important security events of the week, Leo and I revisit and dissect the anonymity promises of TOR in light of scores of academic papers which have questioned its anonymity guarantees.

SN492: Listener Feedback #205 28.01.2015

Leo and I discuss the week's major security events and discuss questions and comments from listeners of previous episodes. We tie up loose ends, explore a wide range of topics that are too small to fill their own episode, clarify any confusion from previous installments, and present real world ‘application notes’ for any of the security technologies and issues we have previously discussed.

SN491: Cryptographic Backdoors 21.01.2015

Following this slow week of security news, Leo and I first discuss the news surrounding how and why the U.S. was so sure that North Korea was behind the attack on Sony. Then we examine the cryptographic consequences of the British and U.S. governments' recent pronouncements that terrorist communications should not be allowed to remain secret.

SN490: The Enigma 14.01.2015

Leo and I first discuss a surprisingly busy week of security news; then, we take a careful walk through the history (it's not what you may think) and the detailed operation of "The Enigma Machine" which Germany used to encrypt their sensitive radio traffic during the Second World War.

SN489: Listener Feedback #204 07.01.2015

Leo and I discuss the week's major security events and discuss questions and comments from listeners of previous episodes. We tie up loose ends, explore a wide range of topics that are too small to fill their own episode, clarify any confusion from previous installments, and present real world ‘application notes’ for any of the security technologies and issues we have previously discussed.

SN488: The (In)Security of 2014 31.12.2014

For our last show of 2014, we first catch up on two very busy holiday weeks of security craziness; then we step back to review the major events of this past very busy and security event-filled year.

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