Decipher Security Podcast

Decipher Security Podcast

The editors of Decipher talk with a rotating cast of security practitioners, researchers, and executives about a variety of topics in the security and privacy fields.

Episodes

September 25, 2025 58 mins

The world isn't run by weapons anymore, or energy, or money. It's run by little ones and zeroes, little bits of data. It's all just electrons. Daniel Cuthbert joins Dennis Fisher to dive into an all-tiime, undisputed hacker movie classic, the 1992 masterpiece, Sneakers. We dissect the movie's genesis, its technical accuracy and prescience, and discuss its lasting influence on the hacker community more than 30 ye...

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Adam Bateman, co-founder and CEO of Push Security, joins Dennis Fisher to talk about a new, highly targeted phishing campaign the company uncovered that uses compromised LinkedIn accounts in order to harvest victims' Google or Microsoft credentials through a fake investment, then discuss trends in browser-based attacks and defensive challenges.

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Dennis and Lindsey discuss the targeted compromises of NPM packages (1:00) and the pointed letter that Sen. Ron Wyden sent to the FTC chairman asking for Microsoft to be held liable for the Ascension ransomware attack last year (11:45) before finally touching on Apple's new memory safety technology for new iPhones (20:43).


NPM compromise: https://decipher.sc/2025/09/08/targeted-attack-compromises-popular-npm-pack...

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Dennis and Lindsey talk through the continuing fallout of the Salesloft Drift incident (2:05) in light of the disclosure of several new companies that are involved, including Cloudflare, which published an excellent post-mortem on the intrusion. Then they discuss the new Shared Vision of SBOM for Cybersecurity published by CISA, NSA, and many foreign government cybersecurity agencies, and talk about why  this is coming out now (17:...

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September 2, 2025 44 mins

We are so back! After a bit of a hiatus, we're very excited to be back with new Decipher content for you in all of the old familiar places. And also some new ones. Join Decipher editors Dennis Fisher and Lindsey O'Donnell-Welch as we start our new, independent phase, talk about what we've been up to, and discuss our plans for what fun stuff we have in store. 

Decipher website: https://decipher.sc/

YouTube: https://www....

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The Sony Pictures hack in 2014 by the North Korean Lazarus Group was a seminal event both in Hollywood and in the security community, bringing to light the capabilities and ambitions of North Korean attackers and showing the damage a leak of sensitive data can be. Brian Raftery joins Dennis Fisher to discuss his new Ringer podcast, The Hollywood Hack, that digs deep into the incident, its repercussions in Hollywood, and how it help...

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The focus was on Iranian APTs this week, both from private threat intelligence teams and CISA, exposing new operations from UNC757 and other groups targeting government, higher education, and private industry. We also check in on a new report from Google's Threat Analysis Group on APTs using the same exploits for zero days that were developed by private commercial surveillance vendors NSO Group and Intellexa.

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Reddit's head of software security Matt Johansen joins Dennis Fisher to talk about the highlights of Black Hat USA, the challenges of sorting security priorities in a large enterprise, and how he's learned to take care of his mental health after many years in the security industry. 

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Rebekah Brown and John Scott-Railton of the Citizen Lab join Dennis Fisher to dive into their group's new report on highly targeted spear phishing campaigns by the Russian threat actor COLDRIVER and then discuss the emergence of a new, possibly related group called COLDWASTREL. 

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August 12, 2024 20 mins

Dennis Fisher and Lindsey O'Donnell-Welch reflect on their week in Las Vegas at Black Hat and discuss the talks they liked, including Moxie Marlinspike's keynote and the Google Project Zero retrospective, and the other topics they found interesting, including vulnerability exploitation versus social engineering and the AI ecosystem.

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At Black Hat USA this year, Josh Harguess and Chris Ward, with Cranium AI, talk about the security challenges that organizations are experiencing while implementing AI in their environments, what AI red teaming consists of and the backstory of how MITRE Labs’ AI Red Team came to be.


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August 6, 2024 27 mins

AI and machine learning security expert Gary McGraw joins Dennis Fisher to discuss the concept of data feudalism in LLM foundation models, what the security implications of it are, and whether narrowly focused models may help address these issues. 

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Decipher editors Dennis Fisher and Lindsey O"Donnell-Welch are joined by Brian Donohue to dissect the Black Hat talks they're looking forward to, including sessions with H D Moore, Sherrod DeGrippo, and Moxie Marlinspike, and some talks they can't quite figure out from the titles.

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The fallout from the CrowdStrike outage continues more than a week after the faulty update, so Huntress security researcher John Hammond joins Dennis Fisher to talk about the lessons learned from the incident, our fragile software ecosystem, and what cybersecurity practitioners can do differently next time.


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July 25, 2024 30 mins

Tyler Healy, CISO of Digital Ocean, joins Dennis Fisher to discuss the unique challenges of defending a huge platform, how AI is changing things for defenders, and what new challenges AI might bring in the near future. 

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CrowdStrike said a problem with an update the company pushed to Falcon sensors on Windows hosts on July 18 caused a blue screen of death, an issue that coincided with a Microsoft Azure outage and widespread outages across airlines, banks, hospitals, and other services.

Our story on this incident: https://duo.com/decipher/crowdstrike-windows-update-linked-to-global-outages

The Windows monoculture paper: https://www...

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July 18, 2024 19 mins

FIN7 is a highly active and capable cybercrime group also known as Carbanak that has been evolving and using its own tools such as AVNeutralizer for many years. SentinelOne researchers Antonio Cocomazzi helps us dig into the group's tactics and tools.

Read Antonio's new research here: https://www.sentinelone.com/labs/fin7-reboot-cybercrime-gang-enhances-ops-with-new-edr-bypasses-and-automated-attacks/

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July 17, 2024 39 mins

Former NSA Deputy Director George Barnes joins Dennis Fisher to talk about his 35-year career at the agency, how he came to be intrigued by the cybersecurity world, the emergence of Cyber Command as a force inside the government, and what he sees as the priorities for defenders now.

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July 8, 2024 23 mins

Chris Hughes, co-founder of Aquia and a Cyber Innovation Fellow at the Cybersecurity and Infrastructure Security Agency, joins Dennis Fisher to talk about the challenges of supply chain security, working with the government to address systemic issues, and the importance of collaboration. 

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Dennis Fisher and Lindsey O'Donnell-Welch dig into the news of the TeamViewer corporate breach, attributed to APT29/Midnight Blizzard, and news of more victims from the Microsoft intrusion by the same group earlier this year.


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