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Decipher Security Podcast

Decipher

Every week, Dennis Fisher and Lindsey O'Donnell-Welch, the editors of Decipher, bring you exclusive, in-depth conversations with security researchers, CISOs, founders, and security experts to hellp you understand the threat landscape and better protect your organizations.

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  • 48 episodes
  • Avg 40 min
  • English

Episodes 48

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  • Yesterday · 1 hr 1 min

    More Hacked Fridges, the Binance Heist, and Our New Website!

    There's a little bit of deja vu this week, as we talk about a new wave of hacks targeting refrigerators in Europe that caused a huge amount of damage. Then we dive into the massive $6.3 billion hack of Binance by North Korean actors. Finally, we have a conversation with our friend Pete Baker of FinalFinal who masterminded the redesign of our website and our branding. Links The refrigerator hacks: https://decipher.sc/2026/11/02/second-wave-of-suspected-cyberattacks-hits-european-supermarket-freezers/The Binance heist: https://decipher.sc/2026/11/03/binances-63b-hack-inside-the-dprks-attack-and-crypto-laundering-operation/Driven by the geniuses at FinalFinal: https://finalfinal.com/ Timestamps 0:00 – Hacked refrigerators, crypto thefts and the new Decipher website 3:10 – Binance’s multibillion-dollar crypto hack 8:09 – How investigators track the stolen funds 12:08 – The fake job interview and months of social engineering 15:02 – Why patient, persistent attackers are so hard to stop 17:43 – How today’s crypto heists compare with earlier attacks 21:42 – Cyberattacks on internet-connected refrigerators 24:36 – What might be behind the attacks on food and blood supplies? 26:32 – Patching exposed refrigeration systems 29:06 – PHP vulnerabilities and the defensive response 30:03 – Meet Pete Baker and the Decipher redesign 35:59 – Bringing old ideas and interactive features to life 38:28 – Moving the site away from WordPress 41:11 – Building timelines and context around cybersecurity incidents 47:19 – The story behind Decipher’s Easter eggs 51:00 – Terminal mode and the site’s hacker-inspired design 53:04 – Decipher’s independent voice and brand 1:00:10 – Wrap-up and thanks

  • Tuesday · 23 min

    Volt Typhoon's Operational Framework Driving Strategic Access | Michael Horka

    Michael Horka with Black Lotus Labs joins Lindsey O'Donnell-Welch with Decipher to talk about Silent Train, Volt Typhoon's operational framework that helps the group strategically avoid detection and attribution. Timestamps0:00 – Intro: Michael Horka and Black Lotus Labs on Volt Typhoon0:55 – Michael's background: Black Lotus Labs and the FBI2:34 – Why the research matters: the attack methods, not just the victims3:26 – How the investigation began and the KV botnet takedown4:14 – Silent Train is an operational framework4:40 – One-time-use infrastructure: the means vs. strategic access5:28 – How the takedown pushed more use of Silent Train7:11 – How Silent Train works: the four-hop chain8:05 – Session lengths and the teardown of all evidence8:51 – Why there's nothing to detect outside working hours9:32 – Operational discipline: 27 device types, each with a fixed role11:33 – When the pattern became clear to the researchers12:30 – Why attackers go to such lengths to avoid detection13:23 – How hard is it to copy? Sticking to it is the hard part14:06 – Avoiding noise: no scanning, and device types other groups don't use15:26 – Victim notifications and the zero-day campaigns15:56 – Targeting control plane software17:13 – Highways, not houses: the victim sectors18:01 – Defender recommendations18:50 – Reduce internet exposure19:09 – Centralized logging and log retention20:22 – Protect your control plane tools21:29 – Final takeaways: targeting Hawaii, California and Texas23:18 – Wrap-up and thanks

  • October 30 · 37 min

    In Cybersecurity, Every Month is Black October

    It may be spooky season, but we start by discussinf the fact that the frightening prospect of mass PHP2Shell exploitation has not materialized. Some good news! Then we dig into the Silent Train operational infrastructure report that Black Lotus Labs released detailing Volt Typhoon's activities. Finally, we have some spooky-themed malware names for you! Timestamps 0:00 Intro and Halloween small talk2:36 Update on the PHP-to-shell vulnerabilities: almost no confirmed exploitation4:38 Why the hype happened and how it compares to Log4Shell6:19 Retracted exploitation claims and how defenders used the lead time8:14 Why the exploits are hard to build (what Dennis heard from Caliph)10:01 Hype vs. everyday weaknesses that businesses don't prioritize11:39 "Black October," Matt Johansson and cybersecurity going mainstream16:34 Cybersecurity Awareness Month and the MFA takeaway17:00 Entry-level security jobs and advice for new grads20:02 Volt Typhoon and the Silent Train report (Lumen's Black Lotus Labs)23:01 The Littleton, MA utility intrusion24:01 Volt Typhoon's targets and its use of SOHO routers and IoT devices26:10 Operational discipline in how they rotate infrastructure28:26 Threat actor naming conventions29:46 Favorite spooky malware names: Ghost RAT, BlackCat, Spectre, Satan, GhostNet34:44 Halloween costumes and the Halloween nor'easter story36:45 Outro

  • October 29 · 48 min

    Threat Intel That Delivers | Tom Hegel

    Tom Hegel of SentinelLabs joins Dennis Fisher for a deep discussion of the value of a broad background, not just in tech but in life, how threat intelligence teams function, and the wide range of effects AI is having on how defenders and attackers function. Timestamps0:00 – Welcome and intro with Tom Hegel0:40 – LabsCon recap and the standout opening talk2:10 – How Tom got into security: taking apart VCRs and repairing hardware3:35 – Fake antivirus, forensics and the early days of the industry5:49 – From MSSPs and SIEM vendors to Sentinel One7:02 – 90s self-sufficiency culture and Pringles-can cantennas8:24 – Hacking retro hardware with AI, and Doom on everything10:20 – Why a broad foundation beats early specialization12:28 – Threat intel: detection noise and writing for your audience15:17 – Diverse teams and global perspectives17:11 – Echo chambers in the security community19:40 – Underreported regions: Africa, Latin America and Chinese soft power22:09 – Living with compromised devices and surveillance capitalism25:01 – Post-compromise detection, and the PHP vulnerability hype28:22 – N-days vs. zero days: what attackers actually use30:29 – AI's early days and the long-term impact on software quality31:32 – Slop software and the rise of risky DIY apps33:36 – How threat actors use AI, from advanced groups to low-skill crime36:01 – Parallels to the 90s "wild west" of hacking37:17 – Defenders are empowered by AI too38:00 – Will people still understand how software works?39:20 – Cognitive decline and using AI without losing skill40:39 – AI-generated threat intel reports and accuracy43:22 – Hype-chasing vendors and AI slop45:13 – Trusting proven experts45:50 – Small, trusted conferences and private signal groups

  • October 23 · 29 min

    PHP2Shell and a Big CA Compromise

    This week was a tale of two stories: the PHP2Shell vulnerabilities and the compromise of several certificates issued by CA eMudhra in India. Timestamps00:00 — A wild week in security news02:50 — PHP vulnerabilities and the disclosure drama08:07 — Why coordinating an embargo is so difficult10:02 — Preparing for the PHP patches11:29 — The PHP bugs make national headlines13:44 — Inside the researchers’ PHP vulnerability analysis15:56 — Exploit risk, patching, and the long tail18:06 — Cloudflare’s mitigation and the response so far21:44 — Compromised certificate authority keys23:37 — Revoking certificates and restoring trust25:07 — The hidden infrastructure behind internet security28:11 — “We have a problem here” — shout-out to Wayne29:22 — What’s coming next

  • October 21 · 11 min

    PHP2Shell Bugs and The Impact for Defenders | Ben Harris

    The newly disclosed PHP2Shell vulnerabilities (CVE-2026-109618 and CVE-2026-109619) are as serious as everyone feared, and Ben Harris of watchTowr joins Dennis Fisher to discuss their long-term impact.Timestamps00:00 - Introduction and why the PHP bugs are a big deal00:22 - The disclosure process starts to unravel01:04 - Why the two PHP vulnerabilities are so severe02:07 - Why the embargo mattered and why the leak was dangerous02:49 - PHP’s massive footprint across the internet04:08 - What mitigations can and cannot do05:35 - Comparing this to Log4Shell06:32 - Why sysadmins outside security are suddenly paying attention07:22 - Why old assumptions about disclosure may no longer hold08:48 - How LLMs accelerate reproduction from tiny clues09:13 - Why even partial screenshots and leaked video can be enough10:33 - A rough six to twelve months ahead for security teamsLinksPHP blog: https://thephp.foundation/blog/2026/10/21/todays-php-security-release-and-how-were-strengthening-php-security/Our story: https://decipher.sc/2026/10/20/critical-php-flaws-disclosed-patches-out-now/

  • October 20 · 38 min

    When Hackers Meet Policymakers | Beau Woods

    Cybersecurity policy can stall when technical experts and lawmakers speak different languages. Beau Woods, CEO and founder of Stratigos Security joins Lindsey O’Donnell-Welch to explain how Hackers on the Hill brings cybersecurity researchers and policymakers together to build understanding and move ideas forward. Timestamps 0:05 Introduction to Beau Woods 1:46 The Origins of Hackers on the Hill 5:48 Bridging Cybersecurity Research and Policy 9:43 Misconceptions in Cybersecurity Legislation 13:47 Growing Technical Literacy in Government 19:46 Applying Security Across Critical Sectors 25:47 Mock Hearings and Policy Conversations 28:36 Cyber Policy Shark Tank 31:58 AI, Cybersecurity, and Public Policy 36:57 Societal Goals Over Technology 37:33 Closing Thoughts

  • October 16 · 43 min

    Hacked Fridges, North Korean Laptop Farms, and Mercenary Spyware

    This week, we're talking about hacked refrigerators, the FBI disrupting a North Korean laptop farm run by Famous Chollima, and a stealthy network of ads used to deliver mercenary spyware via a zero-click exploit. imestamps0:00 Intro & new video bumper2:00 Hacked supermarket refrigerators3:39 Default credentials and exposed controllers6:47 Food losses, overheating, and real-world impact9:47 The risk of “smart” connected devices15:29 Why security warnings don’t reach operators22:09 Spyware delivered through targeted ads27:17 The scale of modern mercenary spyware33:10 North Korean fake IT-worker operations37:56 Inside the laptop-farm scheme42:57 What’s coming next on DecipherLinksCitizen Lab report: https://citizenlab.ca/research/how-di...FBI advisory on Famous Chollima: https://www.justice.gov/opa/pr/justic...

  • October 13 · 46 min

    The ClickFix Epidemic and AI-Enabled Attacks | John Hammond

    John Hammond of Huntress joins Dennis Fisher to dive into the ClickFix attack episdemic, how these attacks work, what the payloads are, and what individuals and organizations can do to protect themselves against them.

  • October 6 · 51 min

    Catch Me If You Can with Shea Serrano!

    Bestselling author, podcaster, and all around great guy Shea Serrano joins Dennis Fisher and Lindsey O’Donnell-Welch to explore why Catch Me If You Can is more than a con-artist story: it’s a hacker classic and master class in social engineering, confidence, and deception. We unpack Leonardo DiCaprio’s performance, Spielberg’s tension-building, and the film’s memorable cast and scenes. Along the way, the conversation connects the movie to hacker culture and cybersecurity, and asks why Frank Abagnale’s cons still fascinate us today.LinksSubscribe to Shea's Good Movie newsletter: https://substack.com/@sheaserrano

  • October 2 · 22 min

    The Citrix NetScaler Zero Day Saga | Ben Harris

    Ben Harris of watchTowr joins Dennis Fisher to walk through the Citrix NetScaler zero days that emerged over the weekend, from first detection of exploitation to reporting to finally some patches and why vendor communication is so vital in these cases.

  • September 29 · 30 min

    The Malware That Asks AI What to Do Next | Ryan Fetterman

    Ryan Fetterman from Cisco Talos sits down with Decipher’s Lindsey O’Donnell-Welch to talk about ClosedQuorum, the first reported malware binary with an autonomous command-and-control. They talk about the wide range of ways threat actors are using AI, and useful detection strategies for AI-assisted attacks. Links Talos analysis: https://blog.talosintelligence.com/th...

  • September 27 · 32 min

    FBI Hack Fallout, EvilTokens Takedown, and the F5 Zero Day

    This week we dig into the ShinyHunters hack of the FBI and what it means not just for the FBI personnel but for the attackers, then we discuss the disruption of the EvilTokens phishing operation by Microsoft, and finally we talk about the F5 BIG-IP zero day and some odds and ends from LabsCon.LinksFBI hack: https://x.com/FBI/status/210280781969...EvilTokens disruption: https://www.microsoft.com/en-us/secur...F5 zero day: https://decipher.sc/2026/09/24/f5-cve...watchTowr Labs post: https://labs.watchtowr.com/is-this-a-...

  • September 22 · 37 min

    Assessing AI Model Security From the Outside In | Matt Fredrikson

    The security and reliability of the code in AI models is a huge question mark, because the models are black boxes that aren't accessible to outsiders. Matt Fredrikson, professor at Carnegie Mellon University and founder of Gray Swan AI, joins Dennis to talk about the challenge of assessing these models and how a community of red teamers is trying to meet it.

  • September 18 · 29 min

    The Real Story on AI Security Live From LabsCon!

    Dennis joins from the last LabsCon conference, which featured amazing keynotes from Prof. James Mickens on AI reality and myths, Katie Moussouris on why humans are more vital than ever in security, and Dino Dai Zovi on using hardware to break attack chains,

  • September 15 · 52 min

    The Vulnpocalypse Myth | Jeremiah Grossman

    You've heard all of the hysteria around the vulnpocalypse caused by AI-assisted bug hunting and the shrinking time to exploit window. Now Jeremiah Grossman dispels those myths and shows exactly what the data reveals about how many bugs are actually exploited and how long it takes for attackers to target them.

  • September 11 · 58 min

    Anthropic's Threat Report, AI's Effect on Cybercrime, and How 9/11 Changed Cybersecurity

    This week we dive into Anthropic's new threat intelligence report, how cybercriminals are using AI in their campaigns, and the profound effect that 9/11 had on the cybersecurity industry. Then, Dennis is joined by Ryan Naraine to preview LabsCon and talk about the keynotes by Katie Moussouris, Dino Dai Zovi, and James Mickens. Anthropic report: https://www.anthropic.com/threat-inte...LabsCon agenda: https://events.sentinelone.com/event/...Mickens essay: https://www.usenix.org/system/files/1...

  • September 7 · 45 min

    Securing Communications in an AI-Assisted World | Christine Gadsby

    Christine Gadsby of BlackBerry, a longtime security executive, joins Dennis to talk about her extensive experience in cybersecurity, the evolution of security practices, the challenges of securing mobile communications, and the impact of AI on the security industry.

Showing 1–20 of 48 episodes