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Security Response Center

Security Help and Support for IT Professionals

If you are a home user and you need security help and support see "Security at Home".

Security resources

Stay informed

Get support

Microsoft Customer Service and Support is available to help you with questions about Microsoft products and services.

General support

Support on security updates

  • Enterprise customers: Support is available through your usual support contacts.

  • Home users in the United States and Canada: No-charge support is available by phone at 1-866-PCSAFETY in the United States and Canada or through your local Microsoft subsidiary.





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