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US says Iran-backed hackers are now targeting organizations with ransomware

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The U.S. government, along with counterparts in Australia and the U.K, have warned that Iranian state-backed hackers are targeting U.S. organizations in critical infrastructure sectors — in some cases with ransomware.
The rare warning linking Iran with ransomware landed in a joint advisory Wednesday, issued by the Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), the Australian Cyber Security Centre (ACSC), and the U.K’s National Cyber Security Centre (NCSC).
The advisory said that Iran-backed attackers have been exploiting Fortinet vulnerabilities since at least March and a Microsoft Exchange ProxyShell vulnerability since October to gain access to U.S. critical infrastructure organizations in the transport and public health sectors, as well as organizations in Australia. The …

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