Roundup of Techniques to Catch Zero-Hour Viruses

There's around four to eight hours between the release of a new computer virus, and the deployment of a corresponding anti-virus signature by virus control vendors. That's know as the zero-hour interval.

Because modern viruses can copy themselves millions of times in the space of a few hours, zero-hour viruses can do a huge amount of damage. The main things techniques to reduce the risk are:

  • Heuristic detection
  • Use of overlapping AV products
  • Blocking of email attachments
  • Spam control
  • Rigorous patching
  • Use of virtual machines

For a more detailed discussion, see our report, Techniques for Zero-Hour Virus Protection, sponsored by Avinti.

... David Ferris

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