US cybersecurity, law enforcement and intelligence officials revealed on Tuesday that sophisticated hackers infiltrated a likely US military contractor and maintained “persistent, long-term” access to their system. The National Security Agency (NSA), the Cybersecurity and Infrastructure Security Agency (CISA) and the FBI released a detailed, joint advisory containing the notification, explaining that in November 2021 CISA responded to a report of malicious activity on an anonymous “Defense Indu
