The 443 - Security Simplified
Get inside the minds of leading white-hat hackers and security researchers. Each week, we’ll educate and entertain you by breaking down and simplifying the latest cybersecurity headlines and trends. Using our special blend of expertise, wit, and cynicism, we’ll turn complex security concepts into easily understood and actionable insights.
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Episodes

May 4, 2026
May 4, 2026
29 min
This week on the podcast, we discuss a recent warning from the FBI about hacking leading to stolen shipments. Before that, we cover the Vercel software supply chain incident before discussing the Vect Ransomware-as-a-service turned accidental wiper.

Apr 28, 2026
Apr 28, 2026
33 min
This week on the podcast, Marc and Corey sit down with Paul Harris, CEO of BGLA and Futurity Corp at WatchGuard's Impact Partner Conference in Tulum, to explore the evolving cybersecurity landscape across Latin America. Paul shares his journey from early days in cybersecurity to leading organizations in the region, while breaking down the biggest concerns facing LATAM SMBs today. The conversation also covers how AI is reshaping cybersecurity, the challenges of securing partners across diverse markets, and practical advice for business leaders looking to stay ahead of cyber risk in LATAM.

Apr 20, 2026
Apr 20, 2026
34 min
This week on the podcast we discuss RedSun, the latest researcher-disclosed zero-day in Microsoft Windows. After that, we chat about a Europol-lead takedown of DDoS-for-hire services before ending with our thoughts on Microsoft's latest RDP security updates.

Apr 15, 2026
Apr 15, 2026
35 min
This week on the podcast, we discuss Anthropic's Project Glasswing and what the Claude Mythos announcement means to cybersecurity. After that, we cover FrostArmada, a campaign from a Russian GRU-backed threat actor that has compromised tens of thousands of home networking routers. Finally we end with a chat about Google Chrome 146's new feature to protect against session hijacking.

Apr 7, 2026
Apr 7, 2026
32 min
This week on the podcast, we cover the accidental Claude Code source code leak and what it means for users and the wider ecosystem. After that, we discuss the Axios supply chain compromise impacting users of a JavaScript library with over 100 million weekly downloads. We end with our thoughts on Browser Gate, the name given to allegations that Microsoft is illegally harvesting LinkedIn customer data for a competitive advantage.

Mar 30, 2026
Mar 30, 2026
45 min
This week on the podcast, we discuss the US government's ban on foreign-manufactured consumer routers and its likely impact. After that, we cover a research post from Huntress on a recent phishing campaign leveraging OAuth Device Authentication flows to retain long-term access to compromised accounts. We end with a review of key takeaways from Google's Cloud Threat Horizons report for H1 2026.

Mar 23, 2026
Mar 23, 2026
52 min
In this episode, Corey Nachreiner interviews WatchGuard Cybersecurity Analyst and Threat Emulation & Investigations Lead, Kristen Yang, about the path into cybersecurity, the evolution from threat hunting to leading investigations, and the realities of defending against modern attacks. They explore today’s threat landscape, incident response mistakes, red teaming lessons, MITRE ATT&CK, AI in security, and the skills analysts need most, plus a rapid-fire round to close things out.

Mar 16, 2026
Mar 16, 2026
40 min
This week on the podcast, we cover the cyber attack that managed to wipe more than 200,000 resources off of the medical technology giant Syryker's network. After that, we review a research post on a good chrome extension gone bad. We end by discussing a recent Microsoft threat intelligence post on how North Korean-backed threat actors have operationalize AI for job scams.

Mar 9, 2026
Mar 9, 2026
39 min
This week on the podcast, we chat about an OpenClaw bot that moved beyond vulnerability research and into malicious activity. Before that, we cover an AI-discovered vulnerability in the pac4j-jwt authentication library before ending with a discussion on an upcoming California law designed to help make age verification in the digital age easier, but with massive consequences.

Mar 2, 2026
Mar 2, 2026
36 min
This week on the podcast, we discuss the recently disclosed and patched 0-Day vulnerability in Cisco's Catalyst SD-WAN Controller which has been under active exploit for 3 years. After that, we cover the latest open source supply chain attack involving a self-propagating worm targeting AI tools. We end with a discussion about another social engineering campaign targeting job hunters in the software development world.

443 Podcast Hosts
WatchGuard's CSO, Corey Nachreiner joins Director of Security Operations, Marc Laliberte to form The 443 Podcast. With over 40 years of cybersecurity experience, Marc and Corey dissect the latest cyber threats and explore cutting-edge security technologies. They provide invaluable insights to individuals and organizations alike, and empower them to stay one step ahead of cyber adversaries. Stay ahead of the threat landscape with the 443 Podcast.

