The 443 - Security Simplified

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.

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.

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.

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.

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.

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.

This week on the podcast, we cover the WatchGuard Threat Lab's Internet Security Report for the second half of 2025. In this episode, we cover the latest trends for malware at both the network perimeter and endpoint, network attacks, and the top malicious domains from the period before ending with some tips everyone can use to defend their networks.

This week on the podcast, we discuss OpenClaw, the open source chatbot that has exploded in popularity since launching late last year, and some of the risk it introduces to organizations. Before that, we chat about Ring's Super Bowl advertisement that caused a stir before ending with a Google Threat Intelligence Group report on advanced threat actor AI usage.

This week on the podcast, we cover a recent supply chain compromise involving the popular text editor Notepad++. After that, we discuss a recent vulnerability report in the Moltbook AI social network before ending with a deep-dive review of a recent remote code execution vulnerability in the N8N automation platform.

This week on the podcast, we cover a Politico report detailing a security lapse at CISA in the United States involving sensitive data and a public version of ChatGPT. Following that, we dive into a couple of vulnerabilities recently resolved in the SolarWinds Web Help Desk application. Finally, we end with some closure on a story about two Coalfire penetration testers who were arrested several years ago for completing a penetration test in Iowa.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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.

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.

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.

This week on the podcast, we discuss key findings from a DefCon presentation from researchers at AmberWolf titled ZeroTrust, Total Bust and what it means for Zero Trust Network Access. After that, we review a new vulnerability in the FortiWeb WAF before ending with a quick update from Google Project Zero on a new vulnerability disclosure policy.

This week on the podcast, we discuss some recent research into a new zero day vulnerability in the popular WinRAR utility under active exploit. After that, we give a round up on everything we know about the SonicWall SSLVPN attacks from the last few weeks before ending with a review of a new ChatGPT vulnerability.

This week, we discuss the SharePoint ToolShell vulnerabilities that recently received an out-of-cycle patch from Microsoft. After that, we cover some research into a Chrome and Edge extension malware campaign that impacted 2.3 million victims. Finally, we end by discussing a lawsuit from Clorox against their offshore helpdesk provider Cognizant stemming from a security incident 2 years ago.

This week on the podcast, Corey Nachreiner and guest host, Ryan Estes, from WatchGuard’s malware analysis team, cover the cybersecurity news for last week. We chat about AI-based site cloaking tools on the underground, how Domain Tools found potentially unwanted executables hiding in DNS TXT records, and a Chinese state-sponsored set of targeted phishing campaigns going after the Taiwanese semiconductor industry and its supply chain. Join us to learn more and discuss how we can protect ourselves from similar threats.

This week on the podcast, Corey Nachreiner and guest host, Ryan Estes, from WatchGuard’s malware analysis team, explore WatchGuard’s recently released Q1 Internet Security Report (ISR). As always with the ISR, we highlight the top malware, network attacks, and malicious domains that our products see, but with our guest host, the author of the Endpoint section, we dive much deeper into all the threats arriving a our customers’ endpoint. Listen in for the latest threat landscape trends and some practical tips to stay safe from the most recent threats.

First, we look back at Microsoft’s major shift to remove endpoint protection from the Windows kernel. When we first covered it, it was a proposed change—now it's happening, and the implications are big. Next, we revisit a segment on GPT-4o and how generative AI is fueling the next wave of social engineering attacks. It's smarter, faster, and more convincing than ever. And finally, a refresher on the arrest of a Scattered Spider leader. While that made headlines, the group's activity hasn’t slowed down, they're still very much on the radar, as we discussed just last week.

This week, we discuss a phishing technique that uses a powerful and risky Microsoft 365 configuration setting. After that, we round up everything we know about the Marks & Spencer breach from April and the lessons that all MSPs can learn from it. After that, we quickly cover a new series of vulnerabilities in a popular Bluetooth chipset that could let attackers gain full control over your headphones.

This week on the podcast, we cover a recent blog post from Google's Threat Intelligence Group on a financially motiviated threat actor's latest techniques for stealing data. After that, we dive into the Model Context Protocol (MPC) that organizations have been rapidly adopting to add functionality to their AI deployments and all of the security risks that it introduces.

This week on the podcast, recent guest Adam Winston hops back on to continue our discussion on Artificial Intelligence in cybersecurity. This week, we focus on how attackers are using AI, what to worry about and what not to lose sleep over, and guidance for evaluating AI for use within your own organization.

This week on the podcast, we cover Coinbase's recent filing with the SEC that described an insider threat event that lead to a ransomware extortion. After that, we discuss dive in to Signal and other secure messaging apps, how they protect communications, and how other apps can undermine those protections.

This week on the podcast, we bring on Ryan Estes from the WatchGuard Threat Lab to discuss the latest trends in ransomware operations. Ryan is an expert in ransomware analysis and currently owns the data behind WatchGuard's public Ransomware Tracker on the WatchGuard Security Center.

This week on the podcast, we bring in Adam Winston, former CSO of ActZero and current Field CTO for Managed Services at WatchGuard to discuss automating the SOC with AI. We cover the history of AI in SecOps, the good and bad applications of AI and Machine Learning, what the future looks like, and how compliance might impact our ability to get there.

This week on the podcast, we discuss how the CVE program was granted an 11th hour temporary reprieve after the program's steward, MITRE, originally announced their contract had not been renewed. After that, we cover the recent cyberattack against 4chan that took it offline and resulted in leaked moderator information and source code. We end with a quick discussion on a post-exploitation technique being used in the wild against Fortinet FortiGate devices.

This week on the podcast, we discuss a recent White House executive order that revoked the security clearances of former CISA chief Christopher Krebs as well as all other employees at SentinelOne and the implications that brings to our industry. Before that, we give a quick update on the Oracle Cloud breach from a few weeks back that Oracle has finally confirmed. We end with our thoughts on a few Microsoft Windows AI features that just launched in early preview and how they might impact data privacy and security.

This week on the podcast, we discuss a recent threat intelligence report on the Chinese Phishing-as-a-Service platform Lucid. Before that, we cover the alleged Oracle Cloud breach before reviewing the Singapore Shared Responsibility Framework, designed to combat financial scams.

This week, we discuss a recent cascading supply chain attack involving multiple Github actions workflows that nearly succeeded in compromising a popular Coinbase application. Before that, we discuss a novel way to download malware onto an endpoint by abusing a web browser's caching feature. Additionally, we cover an FBI alert on file converter malware scams.

This week on the podcast, we discuss a research post by SquareX that invents a new way to impersonate any extension installed on a victim's web browser. Before that, we cover the latest supply chain attack attempts from Lazarus, as well as a malvertising campaign that managed to infect 1 million endpoints.

This week on the podcast, we discuss a recent update from Microsoft's Threat Intelligence Center describing the latest tactics from Silk Typhoon, a Chinese nation state threat actor focusing in espionage. Before that, we cover the recent 0day vulnerabilities in VMware ESXi, Workstation and Fusion. We also analyze a report by S-RM on an Akira ransomware attack that leveraged IoT devices to hide from EDR tools.

This week on the podcast, we cover the largest cryptocurrency heist ever (for now). Before that, we cover Apple's decision to disable Advanced Data Protection (ADP) for its UK customers. We end the episode with a review of Wiz's State of Code Security report for 2025.

This week on the podcast, we cover a video game that delivered malware through the Steam marketplace before diving into an analysis of a recent Palo Alto authentication bypass vulnerability. We end the podcast by covering the recent activity from the Department of Government Efficiency (DOGE) and the security impact to US federal agencies.