CISA: US agency breached through Cisco vulnerability, FIRESTARTER backdoor allowed access through March | The Record from Recorded Future News

A U.S. agency was breached by sophisticated hackers in September through a Cisco vulnerability, with the FIRESTARTER backdoor malware enabling persistent access until March. The Cybersecurity and Infrastructure Security Agency (CISA) has issued new directives for federal agencies to check for and remove this malware, emphasizing that previous patching is insufficient against this persistent threat.