The cybersecurity landscape is shifting quickly. In Episode 361 of The443 Podcast, Marc Laliberte and Corey Nachreiner discuss three emerging issues shaping modern security: A critical authentication bypass in a popular JSON Web Token (JWT) library An autonomous AI bot exploiting GitHub repositories…
Three stories, one theme: control planes, supply chains, and human workflows remain high-leverage targets. This Secplicity blog follows the sequence and details covered by Marc Laliberte and Corey Nachreiner in The443 Podcast Episode 360. 1) Cisco Catalyst SD-WAN 0-Day (CVSS 10): What happened Cisco…
Let’s be honest: cybersecurity rules are not exactly thrilling. But if your company supports the U.S. Department of Defense (DoD), CMMC (Cybersecurity Maturity Model Certification) is becoming increasingly difficult to ignore. At its core, CMMC exists for one simple reason: to help ensure sensitive…
Introduction At the turn of the year, we were alerted to a doppelganger domain impersonating WatchGuard’s Mobile VPN with SSL, delivering a malicious spoofed client to steal credentials. Navigating directly to the doppelganger domain resulted in a benign informational WatchGuard VPN page. However…
A new ransomware operation known as Kyber has emerged. Their first and current only posted victim is L3Harris, a major defense contractor in the United States. The operators have provided a timer that ends around 6 PM EST on Sunday, October 19. The group claims to have stolen over 300 GB of data…
The first samples of the new(ish) White Lock ransomware began emerging towards the end of September. The earliest compilation time stamp of the four samples currently on MalwareBazaar, Triage, and VirusTotal is September 29, 2025. It has all the hallmarks of traditional crypto-ransomware: kills anti…
Entry: https://www.watchguard.com/wgrd-security-hub/ransomware-tracker/dan0n The dAn0n Hacker Group, or dAn0n, was first observed in the Spring of 2024. They posted their first victim on their simultaneous dark web and clear net data leak site on March 26. The dAn0n group is often lumped in with…
Entry: https://www.watchguard.com/wgrd-security-hub/ransomware-tracker/nailaolocker Analysis for NailaoLocker was first unveiled by researchers from the Orange Cyberdefense CERT and Trend Micro in mid-February 2025. In addition to a technical analysis of the NailaoLocker, it also included analyses…
At the beginning of April, WatchGuard received a report from a customer in the hospitality business describing a new phishing campaign targeting their staff. The attack starts with the threat actor opening a reservation request with the hotel, which they then cancel by email, citing a bad review for…
Entry: https://www.watchguard.com/wgrd-security-hub/ransomware-tracker/yashma Note: This page is dedicated to the Yashma (Chaos v6.0) ransomware builder and does not reflect any encryptors created from the builder. Note: This is the second iteration of the Chaos ransomware builder series. For…