CISA Alerts

22 October 2021

• AA21-291A: BlackMatter Ransomware
  Original release date: October 18, 2021
  

  Summary

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• AA21-287A: Ongoing Cyber Threats to U.S. Water and Wastewater Systems
  Original release date: October 14, 2021
  

  Summary

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• AA21-265A: Conti Ransomware
  Original release date: September 22, 2021 | Last revised: September 29,...