Since at least February 2019, the hackers, who have begun impersonating CEOs and banks in their lure documents, have introduced at least seven updates to the malicious software known as EVILNUM. (Getty Images) How hackers are updating the EVILNUM malware to target the global financial sector EVILNUM malware known to target financial organizations has just gotten a little more sophisticated, according to Prevailion research. May 6, 2020 By Shannon Vavra