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The National Security Agency (NSA) and CISA have released a Joint Cybersecurity Information (CSI) sheet with guidance on selecting a protective Domain Name System (PDNS) service as a key defense against malicious cyber activity. Protective DNS can greatly reduce the effectiveness of ransomware, phishing, botnet, and malware campaigns by blocking known-malicious domains. Additionally organizations can use DNS query logs for incident response and threat hunting activities.

CISA encourages users and administrators to consider the benefits of using a protective DNS service and review NSA and CISA’s CSI sheet on Selecting a Protective DNS Service for more information.

Brought to you by Dr. Ware, Microsoft Office 365 Silver Partner, Charleston SC.

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