Signal says its systems are secure but it is taking reports of targeted attempts to hack some officials "very seriously".

Russia is “engaged in a large-scale global attempt” to take over Signal and WhatsApp accounts, two Dutch intelligence agencies said Monday, adding to warnings issued by several groups about the ...

The FBI’s Internet Crime Complaint Center issued a public service announcement on December 19 warning that scammers are impersonating senior U.S. officials in a malicious messaging campaign that ...