Sophisticated Carbanak Banking Malware Returns, With Upgrades

The gang behind the Carbanak banking malware, which was tied to at least $1 billion in fraud from 2012 to 2014, appears to be back, wielding new tactics.  Recently, four new variants of Carbanak have been used to target victims in the United States and Europe via spear-phishing attacks, warns Denmark-based CSIS Security Group.