Red Cell Blog

TL;DR The time between vulnerability disclosure and active exploitation is shrinking. In episode 372 of The 443 Security Simplified, WatchGuard’s Marc Laliberte and Adam Winston discuss why the traditional patch window is becoming harder for defenders to rely on. The episode also examines a recent…

Cybersecurity across Asia-Pacific is entering a more complex phase. Organizations are facing pressure from multiple directions at once, including evolving threat actors, expanding compliance expectations, hybrid work, cloud adoption, AI usage, and growing accountability at the board level. For small…

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…

Long weekends are good for people. They're also useful for attackers. That's not fearmongering. It's an operational reality. Threat actors understand how businesses work. They know when staffing is lighter, when response times may be slower, and when IT and security teams are more likely to be…

WatchGuard SOC analyst report on geopolitical cyber risks to critical infrastructure, with guidance to reduce exposure across OT environments.

On April 27, 2026, a ransomware written in Golang was submitted to VirusTotal that appended the '.sorry' string to the encrypted filenames. Upon initial review, this was not the same as the 2018 Sorry ransomware, which was built using the open-source HiddenTear encryptor. This was novel, and that…