Change log for version

This page shows you what's changed in the most recent definitions update for Microsoft antimalware and antispyware software.

You can also see changes in the last 20 updates from the Change definition version menu on the right.

The latest update is:

  • 1.231.621.0
Download the latest update.

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No new threats have been identified in this definition update.

NameAlert Level
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Definition version


Definition available date: 
Oct 23,2016 12:11 PM UTC

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