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The NSA/CSS core missions are to protect U.S. national security systems and to produce foreign signals intelligence information.
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Latest NSA News

Mitigations for OpenSSL_TLS/DTLS Heartbeat Extension Vulnerability

A serious vulnerability exists in OpenSSL's implementation of the TLS/DTLS heartbeat extension. Read the Mitigation guidance document recently posted.

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Date Posted: Jan 15, 2009 | Last Modified: Apr 14, 2014 | Last Reviewed: Apr 14, 2014