Antivirus goes to the network layer

Trend Micro has unveiled its Network VirusWall 1200, an appliance designed to scan, detect and block threats from inside a company network. The vendor claimed traditional signature-based virus filtering may no longer be enough to provide protection against worms. Viruses have evolved from application-based executables in email attachments to network worms that propagate through network shares, system backdoors and unpatched machines.

This narrows the window between notification of system vulnerabilities and the arrival of threats that exploit them.

Trend said its appliance would help security administrators to block network viruses and identify vulnerable or non-compliant networked devices in order to limit their ability to be sources of virus propagation.

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