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<h1 class="title" itemprop="headline">NSA Highlights Mitigations against North Korean Actor Email Policy Exploitation</h1>
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<p>FORT MEADE, Md. – The National Security Agency (NSA) joins the Federal Bureau of Investigation (FBI) and the U.S. Department of State in
<a href="https://media.defense.gov/2024/May/02/2003455483/-1/-1/0/CSA-NORTH-KOREAN-ACTORS-EXPLOIT-WEAK-DMARC.PDF">releasing the Cybersecurity Advisory (CSA), “North Korean Actors Exploit Weak DMARC Security Policies to Mask Spearphishing Efforts,”</a>
to protect against Democratic People’s Republic of Korea (DPRK, aka North Korea) techniques that allow emails to appear to be from legitimate journalists, academics, or other experts in East Asian affairs.<br> <br>
The DPRK leverages these spearphishing campaigns to collect intelligence on geopolitical events, adversary foreign policy strategies, and any information affecting DPRK interests by gaining illicit access to targets’
private documents, research, and communications.<br> <br> “Spearphishing continues to be a mainstay of the DPRK cyber program and this CSA provides new insights and mitigations to counter their tradecraft,” said
<a href="http://www.nsa.gov/cybersecurity/">NSA Cybersecurity Director Dave Luber. </a><br>
<br> The report contains background on the DPRK’s cyber program and past information-gathering examples, an explanation of how a strong Domain-based Message Authentication Reporting and Conformance (DMARC) policy can
help block DPRK actors, red flag indicators of malicious activity, two sample emails used by DPRK cyber actors, and mitigation measures.<br> <br>
<u><a href="https://media.defense.gov/2024/May/02/2003455483/-1/-1/0/CSA-NORTH-KOREAN-ACTORS-EXPLOIT-WEAK-DMARC.PDF">Read the full report here.</a> </u><br> <br>
<a href="http://www.nsa.gov/press-room/cybersecurity-advisories-guidance/"><u>Visit our full library for more cybersecurity information and technical guidance.</u></a>
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<a href="mailto:MediaRelations@nsa.gov">MediaRelations@nsa.gov</a><br> 443-634-0721<a href="http://www.nsa.gov/press-room/cybersecurity-advisories-guidance/"><u> </u></a>
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<a class="link" href="https://media.defense.gov/2024/May/02/2003455483/-1/-1/1/CSA-NORTH-KOREAN-ACTORS-EXPLOIT-WEAK-DMARC.PDF" target="_blank" rel="noopener">CSA: North Korean Actors Exploit Weak DMARC Security Policies to Mask Spearphishing Efforts</a>
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<a href="https://www.nsa.gov/Press-Room/Press-Releases-Statements/Tag/55841/cybersecurity/"><span class="fa fa-tag fa-lg"></span>cybersecurity</a>
<a href="https://www.nsa.gov/Press-Room/Press-Releases-Statements/Tag/213640/cybersecurity-guidance/"><span class="fa fa-tag fa-lg"></span>Cybersecurity Guidance</a>
<a href="https://www.nsa.gov/Press-Room/Press-Releases-Statements/Tag/178975/cybersecurity-advisory/"><span class="fa fa-tag fa-lg"></span>cybersecurity advisory</a>
<a href="https://www.nsa.gov/Press-Room/Press-Releases-Statements/Tag/274041/spearphishing/"><span class="fa fa-tag fa-lg"></span>Spearphishing</a>
<a href="https://www.nsa.gov/Press-Room/Press-Releases-Statements/Tag/61351/dprk/"><span class="fa fa-tag fa-lg"></span>DPRK</a>
<a href="https://www.nsa.gov/Press-Room/Press-Releases-Statements/Tag/45776/north-korea/"><span class="fa fa-tag fa-lg"></span>North Korea</a>
<a href="https://www.nsa.gov/Press-Room/Press-Releases-Statements/Tag/274042/democratic-peoples-republic-of-korea/"><span class="fa fa-tag fa-lg"></span>Democratic People’s Republic of Korea</a>
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<a href="/Resources/Commercial-Solutions-for-Classified-Program/"><span style="color: rgb(255, 255, 255); line-height: 0 !important;">Commercial Solutions for Classified Program (CSfC)</span></a><span
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<li><a href="https://code.nsa.gov/" target="_blank"><span style="color: rgb(255, 255, 255);">NSA Open Source</span></a></li>
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<li><a href="https://www.intelligence.gov/ic-on-the-record-database" target="_blank"><span style="color: rgb(255, 255, 255);">IC on the Record</span></a></li>
<li><a href="https://www.intelligence.gov" target="_blank"><span style="color: rgb(255, 255, 255);">Intelligence.gov</span></a></li>
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CSA: North Korean Actors Exploit Weak DMARC Security Policies to Mask
Spearphishing Efforts Graphic
CSA: North Korean Actors Exploit Weak DMARC Security Policies to Mask
Spearphishing Efforts Graphic
Press Release | May 2, 2024
NSA HIGHLIGHTS MITIGATIONS AGAINST NORTH KOREAN ACTOR EMAIL POLICY EXPLOITATION
FORT MEADE, Md. – The National Security Agency (NSA) joins the Federal Bureau of
Investigation (FBI) and the U.S. Department of State in releasing the
Cybersecurity Advisory (CSA), “North Korean Actors Exploit Weak DMARC Security
Policies to Mask Spearphishing Efforts,” to protect against Democratic People’s
Republic of Korea (DPRK, aka North Korea) techniques that allow emails to appear
to be from legitimate journalists, academics, or other experts in East Asian
affairs.
The DPRK leverages these spearphishing campaigns to collect intelligence on
geopolitical events, adversary foreign policy strategies, and any information
affecting DPRK interests by gaining illicit access to targets’ private
documents, research, and communications.
“Spearphishing continues to be a mainstay of the DPRK cyber program and this CSA
provides new insights and mitigations to counter their tradecraft,” said NSA
Cybersecurity Director Dave Luber.
The report contains background on the DPRK’s cyber program and past
information-gathering examples, an explanation of how a strong Domain-based
Message Authentication Reporting and Conformance (DMARC) policy can help block
DPRK actors, red flag indicators of malicious activity, two sample emails used
by DPRK cyber actors, and mitigation measures.
Read the full report here.
Visit our full library for more cybersecurity information and technical
guidance.
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443-634-0721
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