Hackers target US firms in FastJson RCE zero-day attacks

The feed reports multiple active or emerging cybersecurity threats, including exploitation of FastJson and VeloCloud Orchestrator zero-days, a large Dysphoria DDoS botnet, a Certighost Active Directory Certificate Services proof-of-concept, ransomware-related data theft, supply-chain and credential compromises, ClickFix cryptominer infections, browser-memory malware delivery, phishing and sextortion scams, and abuse of autonomous AI agents. It also includes defensive supply-chain measures and non-security service disruption news. Specific CVE identifiers are not provided in the source document