WatchGuard telemetry identified a campaign associated to TimbreStealer, which is known to target companies based in Mexico. This research, conducted by Euler Neto and Cristóbal Tárraga, describes behaviors similar to those observed in a previous campaign documented by Cisco Talos in 2024, which uses…
TL;DR: Iran-linked MuddyWater, also known as Seedworm, is using trusted software, DLL side-loading, and legitimate tools to quietly spy on high-value organizations across manufacturing, aviation, finance, education, government, and public sector environments. This campaign is not focused on…
The WatchGuard Attestation Team has uncovered an undocumented pivot framework written in Golang that opens a Smux-multiplexed SOCKS5-style pivot channel on each compromised host using one of two interchangeable transports: KCP-over-UDP with DTLS obfuscation or Noise-over-TCP with TLS obfuscation…
Artificial intelligence, exposed edge devices, and vulnerability disclosure are colliding in ways that security teams can no longer treat as separate risks. In Episode 375 of The 443: Security Simplified, WatchGuard’s Marc Laliberte and Corey Nachreiner unpack three timely cybersecurity stories: the…
WatchGuard telemetry identified a campaign associated to Grandoreiro that uses the DLL Side-Loading technique abusing four different softwares, targeting banks in Portugal. Also, it was identified cases of a known campaign that uses a malicious VBS to deliver the malware, targeting companies in…
I remember my first real dev setup. A beige tower, a copy of Turbo C++, and a dial-up connection that screamed like a fax machine having an existential crisis. The workstation was an island. What lived on it stayed on it. The biggest security risk was a floppy disk from a friend, and even then, you…
Cybercrime no longer stays neatly contained behind a screen. In Episode 369 of The 443 Podcast, Marc Laliberte and Corey Nachreiner unpack three recent threat stories that show how digital compromise can ripple outward into software supply chains, ransomware recovery, and even stolen freight…
A newly disclosed Windows zero-day, dubbed RedSun, is the latest reminder that attackers do not need to break in if they can simply escalate. Discussed in Episode 367 of The 443 podcast, this vulnerability highlights how trusted system processes can be manipulated to gain full system-level access…
WatchGuard telemetry identified two different phishing campaigns targeting Greek, Spanish, Slovenian, Bosnian and Latin and Central American companies, that use different techniques to delivery FormBook malware. FormBook is a data-stealing malware that targets Windows systems, primarily distributed…
Artificial intelligence is no longer just a productivity multiplier. It is becoming a force multiplier for cybersecurity, and potentially for cyber risk. In Episode 366 of The 443, Marc Laliberte and Corey Nachreiner discuss three developments that together paint a clear picture of where the…