Hackers are testing new Mac malware that they've ported from a nine-year-old Trojan horse originally written for Linux, according to security experts.
The malware, dubbed "Tsunami," has been circulating in limited numbers since last week, said researchers at the Slovakian antivirus firm, ESET Security.

Tsunami first popped up last week, when ESET malware researcher Robert Lipovsky provided some bare bones information on the Trojan.