Decipher Security Podcast
by 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.
Hosts
- Dennis Fisher
- Lindsey O’Donnell-Welch
Decipher
Aug 21, 2026Recent reviews on Apple Podcasts (1)
Like it but HORRIBLE audio issues
Particularly in ep12 there are multiple examples where there are people talking over one another and then periods of silence. There’s some very annoying background noise like someone has a TV or Radio on while recording. Dudes. Clean it up... 🙃
btaroli ·
Episodes (374)

The Politics of Hacking Back, the Origins of ExploitGym, and Water Plant Attacks
Aug 21, 202644m
This week we discuss the new White House memo on using private sector operators in offensive cyber operations, Lindsey's deep dive into the origins of the ExploitGym AI benchmark, and the rash of attacks on water utiliti

How AI is reshaping attacker and defender behavior | Adam Meyers
Aug 19, 202653m
Adam Meyers of CrowdStrike joins Dennis to dive into the rapidly changing nature of both attacker and defender behavior in the AI age and how organizations need to shift their priorities to combat agentic threats. Then w

The truth about AI model security and what's coming next | Gary McGraw
Aug 10, 202639m
AI security pioneer and machine learning expert Gary McGraw helps Dennis separate the facts from fiction about the recent OpenAI, Meta, and Anthropic model escapes, what the real risks to enterprises are from agentic AI,

More AI Model Escapes and New Backdoored Chinese Routers
Aug 5, 202637m
We can't go a week without an AI model escaping its bounds, and this week we talk about a new test by the AI Security Institute in which OpenAI and Anthropic models escaped the evaluation environment and tried to start a

The OpenAI and Hugging Face Intrusion Wasn't Enough, So Now Anthropic Wants In
Jul 31, 202635m
This week we talk about the OpenAI-Hugging Face incident and what it means for those companies and the way that AI models are tested, and then we discuss Anthropic's entry into the race with its own admission that some o

Project Hail Mary is a Hacker Movie. Amaze Amaze Amaze.
Jul 29, 202648m
Project Hail Mary is many things: an instant classic, a heartwarming buddy movie, a brilliant scientific tale. And it's also a pure hacker movie. Wendy Nather and David Mortman join Dennis and Lindsey to talk about Rylan

How Cybercrime Groups Have Become APTs | Michael Sweeney
Jul 27, 202648m
Cybercrime has become professionalized and industrialized to the point that these groups are essentially at the level of state-backed APTs. Mike Sweeney of Silent Push joins Dennis Fisher to talk about this evolution, ho

JADEPUFFER: The Era of Agentic Ransomware Has Begun | Michael Clark
Jul 20, 202626m
Michael Clark, director of Threat Research at Sysdig, talks about a recent LLM-driven extortion campaign dubbed JADEPUFFER, touching on how the team discovered it, how attackers’ “intent is now legible,” and what that me

The Cursor Bug Drama, Microsoft's Massive Patch Tuesday, and Scattered Spider Takes a Hit
Jul 17, 202640m
This week we have some old-school disclosure drama when a researcher used full disclosure after months of silence from Cursor, then we discuss the enormous Patch Tuesday from Microsoft--662 bugs--and what it might mean g

Industrial Cybersecurity and Malware Archaeology with Lesley Carhart
Jul 14, 202636m
Old malware like Conficker never really dies, and in industrial control and SCADA environments it can live forever undisturbed. Lesley Carhart of Dragos joins Dennis Fisher to talk about the myriad challenges of incident

Our AI Coding Future with Jack Cable
Jul 7, 202623m
Jack Cable, co-founder and CEO of Corridor and a former senior technical advisor at CISA, discusses AI's impact on cybersecurity, vulnerability discovery, and coding practices.

Fable 5 Export Controls, the Dual Use Paradox, and the ARToken Phishing Framework
Jul 2, 202637m
It's a pre-July 4th extravaganza! To celebrate, we dive into a little cybersecurity history with a story about the MySpace Samy worm, then we jumpe into the news of the week, including an update on the Fable 5 export con

The (Bug) Disclosure Day Conundrum and How AI is Changing the Game with Katie Moussouris
Jun 29, 202657m
Hacker and legendary vulnerability disclosure expert Katie Moussouris of Luta Security joins Dennis to talk about the Fable 5 munitions classification controversy, the recent re-emergence of the disclosure debate, how AI

The Gaslight macOS Backdoor, Cisco Zero Day Exploit, and Operation Endgame
Jun 26, 202631m
It's a non-AI podcast! This week we dig into the new Gaslight macOS implant that tries to trick security researchers with some anti-forensics techniques, then we discuss the Operation Endgame takedown of some malware inf

How Much Do Data Breaches Really Cost? | Alex Pinto
Jun 16, 202641m
Alex Pinto, one of the lead authors of the Verizon Data Breach Investigations Report, joins Dennis to talk about his organization's newest publication, the Breach Impact Study, which digs into the real world cost of brea

The Shrinking Exploit Window, Patch Schedule Changes, and the Vulnpocalypse
Jun 12, 202632m
This week was blessedly free of any major supply chain compromises, so we start by talking about new research from Anthropic on the shrinking window between bug disclosure and exploitation, then we discuss the changing p

How The Conversation Predicted Our Surveillance Society 50 Years Ago
Jun 8, 202658m
Perhaps no film captures the paranoia and anxiety of the 1970s better than The Conversation, Francis Ford Copolla's masterpiece about reclusive surveillance expert Harry Caul, a man who it's safe to say has some demons.

Shai Hulud Returns, How Attackers are Using AI, and More Weird MSRC Behavior
Jun 5, 202636m
We regret to inform you that there are more npm supply chain attacks this week, and a new variant of the Shai Hulud worm is involved. We also talk about the new analysis from Anthropic on a year of data relating to how a

Microsoft Has Forgotten Its Vulnerability Disclosure History
May 29, 202645m
The recent Nightmare-Eclipse zero day drop and attendant drama has stirred up all kinds of trouble and unfortunately spurred Microsoft to publish a post scolding security researchers for not using the "proper channels" t

Lessons in Resilience, Perseverance, and Leadership With Matt Eversmann
May 25, 20261h 18m
After being caught in one of the more notorious battles in modern American history, Matt Eversmann's military career has become the stuff of legend. The Battle of Mogadishu, immortalized in the book and movie Black Hawk

Chain Chain Chain of Compromises
May 22, 202622m
In the spring, a young attacker's fancy turns to supply chain compromises, and this season's crop includes the GitHub breach and the Grafana intrusion, which are connected and trace back to the TanStack supply chain atta

What the Data Tells Us About Claude Mythos and Bug Exploitability | Jay Jacobs and Michael Roytman
May 19, 202643m
Finding a huge pile of bugs with Claude Mythos is great, but the logical next step is figuring out how many of those vulnerabilities are likely to be exploited in the near future. Jay Jacobs and Michael Roytman of Empiri

Solving Hard Security Problems With an Outsider's Perspective | Sravish Sridhar
May 15, 202653m
Unlike a lot of founders in the industry, Sravish Sridhar hasn't spent his career in the security world. He comes from a background in distributed computing and advanced math, and is a successful entrepreneur who's now b

AI Has a Security Measurement Problem | Gary McGraw
May 13, 202638m
Few people (if any) have spent more time thinking about and working on the hard problems in security and software than Gary McGraw, and he also happens to have a PhD in cognitive science and computer science and has been

Inside the $285M Drift Protocol Heist | Ari Redbord
May 11, 202634m
Ari Redbord, Global Head of Policy at TRM Labs, talks about the insane background behind the $285 million Drift Protocol crypto heist, how law enforcement agencies are investigating ransomware-linked cryptocurrency walle