US government's VPN advice, dropping bombs on ransomware gangs

Three Buddy Problem - Episode 26: We discuss the discovery of a Palo Alto network firewall attack and a stealthy network edge device backdoor (LITTLELAMB.WOOLTEA), the Cyberhaven hack and the shady world of browser extensions, and a look back at the top research projects that caught our attention in 2025. Cast: Juan Andres Guerrero-Saade (https://twitter.com/juanandres_gs), Costin Raiu (https://twitter.com/craiu) and Ryan Naraine (https://twitter.com/ryanaraine).

Three Buddy Problem - Episode 26: We dive deep into the shadowy world of surveillance and cyber operations, unpacking Amnesty International's explosive report on NoviSpy, a previously unknown Android implant used against Serbian activists, and the links to Israeli forensics software vendor Cellebrite. Plus, thoughts on the US government’s controversial guidance on VPNs, Chinese reports on US intel agency hacking, TP-Link sanctions chatter, Mossad's dramatic exploding beeper operation and the ethical, legal, and security implications of escalating cyber-deterrence. Also, a mysterious BeyondTrust 0-day! Cast: Juan Andres Guerrero-Saade (https://twitter.com/juanandres_gs), Costin Raiu (https://twitter.com/craiu) and Ryan Naraine (https://twitter.com/ryanaraine).

Three Buddy Problem - Episode 25: An update on Romania’s cancelled election, the implications of TikTok on democratic processes, and the broader issues around surveillance capitalism and micro-targeting. Plus, news on Turla piggybacking on cybercriminal malware to hit Ukraine, the return of Careto and the absence of IOCs, Claroty report on an Iran-linked cyberweapon targeting critical infrastructure, ethical considerations in cyberwarfare, and the implications of quantum computing on security and cryptocurrencies. Cast: Juan Andres Guerrero-Saade (https://twitter.com/juanandres_gs), Costin Raiu (https://twitter.com/craiu) and Ryan Naraine (https://twitter.com/ryanaraine).

Three Buddy Problem - Episode 24: In this episode, we did into Lumen/Microsoft’s revelations on Russia's Turla APT stealing from a Pakistani APT, and issues around fourth-party espionage and problems with threat actor attribution. We also discuss Citizen Lab’s findings on Monokle-like spyware implanted by Russian authorities, the slow pace of Salt Typhoon disinfection, the Solana web3.js supply chain attack affecting crypto projects, and the Romanian election crisis over Russian interference via TikTok. Cast: Juan Andres Guerrero-Saade (https://twitter.com/juanandres_gs), Costin Raiu (https://twitter.com/craiu)and Ryan Naraine (https://twitter.com/ryanaraine).

Three Buddy Problem - Episode 23: Volexity founder Steven Adair joins the show to explore the significance of memory analysis and the technical challenges associated with memory dumping and forensics. We dig into Volexity’s “nearest neighbor” Wi-Fi hack discovery, gaps in EDR detection and telemetry, and some real-talk on the Volt Typhoon intrusions. We also cover news on a Firefox zero-day exploited on the Tor browser, the professionalization of ransomware, ESET's discovery of a Linux bootkit (we have a scoop on the origins of this!), Binarly research on connections to LogoFAIL, and major visibility gaps in the firmware ecosystem. Cast: Juan Andres Guerrero-Saade (https://twitter.com/juanandres_gs) (SentinelLabs), Costin Raiu (https://twitter.com/craiu) (Art of Noh) and Ryan Naraine (https://twitter.com/ryanaraine) (SecurityWeek). Honorary buddy: Steven Adair (https://twitter.com/sadair) (Volexity)

Episode sponsors: Binarly (https://binarly.io) Binary Risk Hunt (https://risk.binarly.io) In this reboot of the Security Conversations interview series, Foundation Capital partner Sid Trivedi weighs in on major changes to the RSA Innovation Sandbox, the mandatory $5M uncapped SAFE investment for all 10 finalists, and red-flag concerns around discounts and pro-rata rights. Also discussed: controversial pay-for-play dynamics involving CISOs and venture capital firms, ethical implications of CISOs taking advisory positions in startups, and the challenges of investing in seed-stage startups amidst a trend towards platformization.

Three Buddy Problem - Episode 22: We discuss Volexity’s presentation on Russian APT operators hacking Wi-Fi networks in “nearest neighbor attacks,” the Chinese surveillance state and its impact on global security, the NSA's strange call for better data sharing on Salt Typhoon intrusions, and the failures of regulatory bodies to address cybersecurity risks. We also cover two new Apple zero-days being exploited in the wild, the US Government’s demand that Google sell the Chrome browser, and the value of data in the context of AI. Cast: Juan Andres Guerrero-Saade (https://twitter.com/juanandres_gs) (SentinelLabs), Costin Raiu (https://twitter.com/craiu) (Art of Noh) and Ryan Naraine (https://twitter.com/ryanaraine) (SecurityWeek).

Three Buddy Problem - Episode 21: We dig into an incredible government report on Iranian hacking group Emennet Pasargad and tradecraft during the Israel/Hamas war, why Predatory Sparrow could have been aimed at deterrence in cyber, and the FBI/CISA public confirmation of the mysterious Salt Typhoon hacks. Plus, discussion on hina’s cyber capabilities, the narrative around “pre-positioning” for a Taiwan conflict, the blending of cyber and kinetic operations, and the long tail of Chinese researchers reporting Microsoft Windows vulnerabilities. The future of CISA is a recurring theme throughout this episode with some speculation about what happens to the agency under the Trump administration. Cast: Juan Andres Guerrero-Saade (https://twitter.com/juanandres_gs) (SentinelLabs), Costin Raiu (https://twitter.com/craiu) (Art of Noh) and Ryan Naraine (https://twitter.com/ryanaraine) (SecurityWeek).

Three Buddy Problem - Episode 20: We revisit the ‘hack-back’ debate, the threshold for spying on adversaries, Palo Alto watching EDR bypass research to track threat actors, hot nuggets in Project Zero’s Clem Lecinge’s Hexacon talk, Apple’s new iOS update rebooting iPhones in law enforcement custody, the mysterious GoblinRAT backdoor, and physical ‘meatspace’ Bitcoin attacks and more details on North Korean cryptocurrency theft. Cast: Juan Andres Guerrero-Saade (https://twitter.com/juanandres_gs) (SentinelLabs), Costin Raiu (https://twitter.com/craiu) (Art of Noh) and Ryan Naraine (https://twitter.com/ryanaraine) (SecurityWeek).

Three Buddy Problem - Episode 19: We explore Ivan Kwiatkowski’s essay on the limits of threat intelligence, Sophos using kernel implants to surveil Chinese hackers, the concept of ‘hack-back’ and legal implications, geopolitical layers of cyber espionage, CIA malware in Venezuela, Vatican/Mossad mentioned in high-profile Italy hacks, and Canada bracing for .gov attacks from India. Cast: Juan Andres Guerrero-Saade (https://twitter.com/juanandres_gs) (SentinelLabs), Costin Raiu (https://twitter.com/craiu) (Art of Noh) and Ryan Naraine (https://twitter.com/ryanaraine) (SecurityWeek).