Fortinet recently announced the most threatening reported malware activities and top 10 most reported high-risk threats for March 2007. The report, collected from all FortiGate multi-threat security systems in production globally, is a service of the Fortinet Global Threat Research Team. The most widespread threat for March 2007 in Australia had been W32/Netsky.P@mm and its variations. W32/Netsky.P@mm was initially detected in March 2004. The virus is claimed to be consisted with its own SMTP code to disseminate itself through email, ena-bling it to quickly disseminate through inadequately sheltered PCs hooked up to the Internet. The top 10 Australian threats compiled for March 2007 are: (1) W32/Netsky.D@mm 10.3%, (2) W32/MyTob.EK@mm 9.1%, (3) HTML/Phishbank.BGU!phish 7.6%, (4) W32/Netsky.P@mm 6.8%, (5) HTML/Clicker.AC!tr 6.0%, (6) HTML/Iframe_CID!exploit 5.0%, (7) Adware/Boran 3.3%, (8) W32/Istbar.PK!tr.dldr 2.9%, (9) W32/Agent.BCD!tr.dldr 2.3%, (10) W32/KillAV.3B84!tr 2.2%.