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

Tuesday Jan 20, 2026

This week on the podcast, we cover some first-hand research from the WatchGuard Threat Lab on a phishing campaign targeting users of nearly every major VPN vendor. After that, we discuss two recently resolved vulnerabilities in the Fortinet FortiSIEM application, then end with research from Varonis on a new attack flow against Copilot called RePrompt.

Monday Jan 12, 2026

This week on the podcast, we discuss the recently disclosed React2Shell vulnerability affecting a wide array of web applications. Before that, we review a new phishing campaign that uses a newly coined ConsentFix technique before discussing a security misstep from Home Depot.

Monday Jan 12, 2026

This week on the podcast, we cover the Kimwolf botnet, a collection of compromised IOT devices that at one point grew so large that it's command and control domain beat out Google.com as the most popular domain on the internet. After that, we discuss yet another devious take on ClickFix style phishing before ending with coverage from Cisco TALOS on another threat actor targeting edge networking equipment.

Monday Dec 22, 2025

This week on the podcast, we cover a wave of attacks against network edge equipment and internet-exposed systems including an update on the recently patched Firebox 0-Day. After that, we cover two stories on browser extensions siphoning off data and making unwanted modifications to victim’s web browsing activity.

Monday Dec 08, 2025

This week on the podcast, we go through all six of our cybersecurity predictions for 2026. For each prediction, we'll discuss the trends behind them, why we think they'll hit next year, and some takeaways for people and organizations on how to react to them in the coming year.

Monday Nov 24, 2025

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.

Tuesday Nov 18, 2025

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.

Thursday Oct 30, 2025

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.

Monday Oct 13, 2025

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.

Monday Oct 06, 2025

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.

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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.

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