Malware has yet to plague smartphones to anywhere near the extent it has PCs, but it’s only a matter of time before cyber-criminals start targeting mobile networks. ESET, developer of the NOD32 antivirus solution for PCs and computer networks, is the latest IT security specialist to enter the fray. ESET on Monday announced a free beta test release of ESET Mobile Antivirus, which the company touts as a fast and lightweight anti-malware scanner for Windows Mobile smartphones.