US-CERT Alerts

20 February 2019

• AA19-024A: DNS Infrastructure Hijacking Campaign
  Original release date: January 24, 2019 | Last revised: February 13, 2019
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• AA18-337A: SamSam Ransomware
  Original release date: December 03, 2018
  

  Summary

  The Department of

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• TA18-331A: 3ve – Major Online Ad Fraud Operation
  Original release date: November 27, 2018
  

  Systems Affected

  Microsoft

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