Iranian Government-Sponsored APT Cyber Actors Exploiting Microsoft Exchange and Fortinet Vulnerabilities

Original release date: November 17, 2021CISA, the Federal Bureau of Investigation (FBI), the Australian Cyber Security Centre (ACSC), and the United Kingdom’s National Cyber Security Centre (NCSC)  have released a joint Cybersecurity Advisory highlighting ongoing malicious cyber activity by an advanced persistent threat (APT) group that FBI, CISA, ACSC, and NCSC assess is associated with the government of Iran.  FBI and CISA have observed this Iranian government-sponsored APT exploit Fortinet and Microsoft Exchange ProxyShell vulnerabilities to gain initial access to systems...