security

Advisory at a Glance Executive Summary CISA began incident response efforts at a U.S. federal civilian executive branch (FCEB) agency following the detection of potential malicious activity identified through security alerts generated by the agency’s endpoint detection and response (EDR) tool. CISA identified three lessons learned from the engagement that illuminate how to effectively mitigate […]

Executive summary People’s Republic of China (PRC) state-sponsored cyber threat actors are targeting networks globally, including, but not limited to, telecommunications, government, transportation, lodging, and military infrastructure networks. While these actors focus on large backbone routers of major telecommunications providers, as well as provider edge (PE) and customer edge (CE) routers, they also leverage compromised […]

Summary The Cybersecurity and Infrastructure Security Agency (CISA) is releasing this advisory in response to ransomware actors leveraging unpatched instances of a vulnerability in SimpleHelp Remote Monitoring and Management (RMM) to compromise customers of a utility billing software provider. This incident reflects a broader pattern of ransomware actors targeting organizations through unpatched versions of SimpleHelp […]

This is the second update to the TeamPCP supply chain campaign threat intelligence report, „When the Security Scanner Became the Weapon“ (v3.0, March 25, 2026). Update 001 covered developments through March 26. This update covers developments from March 26-27, 2026.

This is the first update to the TeamPCP supply chain campaign threat intelligence report, „When the Security Scanner Became the Weapon“ (v3.0, March 25, 2026). That report covers the full campaign from the February 28 initial access through the March 24 LiteLLM PyPI compromise. This update covers developments since publication.

A lot of the information seen on DShield honeypots [1] is repeated bot traffic, especially when looking at the Cowrie [2] telnet and SSH sessions. However, how long a session lasts, how many commands are run per session and what the last commands run before a session disconnects can vary. Some of this information could […]