Nimbus Manticore Deploys NightLedger and Turns Victim Systems Into Covert Relays

The feed highlights multiple high-impact cybersecurity developments, including active exploitation of critical remote code execution and command-injection flaws in Arista VeloCloud Orchestrator, TeamCity, Fastjson, and other enterprise platforms; public exploit releases; ransomware and botnet activity; state-sponsored campaigns; phishing and malvertising operations; and emerging AI-agent security risks. The most urgent items are internet-facing vulnerabilities with active exploitation or unauthenticated code execution, alongside campaigns that deploy covert relays, RMM tools, malware, and extp