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

Nov 24, 2025
Nov 24, 2025
1 hr 23 min
This week on the podcast, we cover OWASP’s update to the top 10 web application security weaknesses and its changes from the 2021 list. We also cover a recently uncovered adversary-in-the-middle campaign that’s pushing malicious software updates to targeted systems. We conclude with our opinions on Microsoft’s latest AI features, which are coming to Windows.

Nov 18, 2025
Nov 18, 2025
43 min
This week on the podcast, we review our 2025 security predictions and grade ourselves on our accuracy. We recap all 6 predictions for 2025 from multi-modal AI being used to create entire attack chains to the CISO role becoming the least desirable role in business, and follow up on this year's news to see if they hit or not.

Oct 30, 2025
Oct 30, 2025
38 min
This week on the podcast, we have our resident ransomware expert, Ryan Estes, on to give an update on the latest in the ransomware ecosystem. We cover a few recent changes to operators, extortion techniques, and business impact from ransomware attacks in recent months.

Oct 13, 2025
Oct 13, 2025
41 min
This week on the podcast, we discuss the wave of extortion attacks targeting companies that use Salesforce. After that, we discuss Discord's breach involving their customer support application. Finally, we dive deep into the recent Oracle E-Business Suite zero day vulnerability and how attackers chained together multiple low-severity findings into a critical issue.

Oct 6, 2025
Oct 6, 2025
53 min
This week on the podcast, we bring on WatchGuard's head of MDR data science Luke Wolcott to discuss the evolution of machine learning and artificial intelligence in cybersecurity. We dive into the differences in common (and uncommon) machine learning models, the pros and cons of supervised vs unsupervised learning, and why some of the coolest things happening in AI aren't the ones you hear about in the news.

Sep 29, 2025
Sep 29, 2025
30 min
This week on the podcast, we discuss Cisco's recent zero-day vulnerabilities before covering a Microsoft Threat Intelligence post on a phishing campaign that abuses SVG files. After that, we review GitHub's proposed changes for securing the open source software supply chain.

Sep 22, 2025
Sep 22, 2025
26 min
This week on the podcast, we cover a vulnerability in Entra ID that could have allowed attackers to gain Global Admin access to any and all Entra ID tenants. After that, we discuss the Shai Hulud NPM worm that ran rampant over the last week, infecting hundreds of packages. Finally, we end with a quick reminder to WatchGuard Firebox customers to update their devices to the latest firmware to resolve CVE-2025-9242z

Sep 15, 2025
Sep 15, 2025
40 min
This week on the podcast, we cover a massive software supply chain compromise involving widely-used NPM packages. After that we discuss an increase in social engineering attacks called ClickFix. Finally, we end with a discussion of Senator Wyden's recent letter to the FTC demanding Microsoft being held accountable for "gross cybersecurity negligence" and whether his claims have any merit.

Sep 8, 2025
Sep 8, 2025
43 min
This week on the podcast, we discuss a recently published research study from UC San Diego on the effectiveness on security awareness training on phishing prevention. After that, we discuss a security researcher's work on identifying vulnerabilities in four separate employee webapps at Intel. Finally, we end with our analysis of a Ponemon Institute research report called The State of File Security.

Aug 25, 2025
Aug 25, 2025
51 min
This week on the podcast, we discuss key findings from IBM and the Ponemon Institute's 2025 Cost of a Breach Report, including a deep analysis of AI impacts in cybersecurity. Before that, we cover Norway's claim that Russian-aligned hackers opened a floodgate in one of their dams. We also discuss a vulnerability in Microsoft 365 Copilot that allowed the AI to delete its own audit logs.

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.

