Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

Many MSPs rely on Microsoft Defender as a starting point for protecting customer environments. It’s built in, familiar, and good at generating alerts. But modern attacks don’t stop when an alert appears. They often use stolen credentials, legitimate tools, and cloud access to move quickly after detection. In this session, WatchGuard’s Worldwide MDR Channel Sales Manager Jen Rose will look at how attacks unfold in Microsoft Defender environments and why detection alone leaves gaps for MSPs and their customers.

This week, Marc and Corey break down a recently disclosed and patched 0-Day vulnerability in Cisco’s Catalyst SD-WAN Controller that was actively exploited for three years.

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.

Join WatchGuard CSO Corey Nachreiner and Director of Security Operations Marc Laliberte as they discuss key findings from the WatchGuard Threat Lab’s H2 2025 Internet Security Report, the first of our biannual release version of the report. During Inside the Threat Landscape: Biannual Cybersecurity Briefing, they’ll cover the latest malware and network attack trends targeting small and midsize enterprises, along with defensive tips you can take back to your organization to stay ahead of modern threat actor tactics.

New episode of The 443 Podcast is live Marc and Corey break down our recent Biannual Internet Security Report, covering the threat trends that matter most right now.