CVE-2026-5426, a hardcoded ASP.NET machineKey in KnowledgeDeliver, was exploited as a zero-day in ViewState deserialization ...

Hackers exploited a critical zero-day vulnerability in a server running the KnowledgeDeliver learning management system (LMS) to deploy the Godzilla web shell.

The U.S. National Security Agency (NSA) and the Australian Signals Directorate (ASD) have issued a joint report warning of threat actors increasingly exploiting vulnerable web servers to deploy web ...

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CVE-2026-5426 enabled KnowledgeDeliver LMS attacks before February 24, 2026, leading to Cobalt Strike infections.

Web shells, a common type of post-exploitation tool that provides easy-to-use interface through which to issue commands to a compromised server, have become increasingly popular as attackers become ...

As long as computers have been around, there have been hackers who have progressively improved and become sneakier at exploiting them. Last year, Microsoft used Microsoft 365 Defender data to find ...