Maritime Computer Emergency Response Team ADMIRAL dataset ADMIRAL dataset

Publicly disclosed information for this event

Index Number:
Remote access for a hacker on naval IT infrastructure.
Day Month Year Country Activity Incident Type
1 May 2011 United States Defence Intrusion


According to sources, a "hacker", identifying as "sl1nk", claimed to have gained significant unauthorized accesses within the systems of several military and governmental agencies, amongst which the Navy. The "hacker" also alleged possession of thousands of sensitive documents.


Department of the Navy and Naval Warfare System Command

Claimed/Reported Threat Actor




Main impact



Recommendations to Defence to reduce Intrusion risks:

  • Implement strong access controls and authentication mechanisms to limit unauthorized access, such as Multi Factor Authentication.
  • Regularly update and patch software and systems to address known vulnerabilities.
  • Use Network Intrusion Detection Systems (NIDS) to monitor and block suspicious activities.
  • Segment your network to limit lateral movement by attackers in case of a breach.
  • Educate your employees about phishing attacks and social engineering tactics to prevent credential theft.
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Disclaimer: the data are provided as is. France Cyber Maritime and the M-CERT take no responsibility for the soundness, quality, precision, nor the eventual attribution made by the referenced URLs. We give a lot of respect and support to the victims of attacks.
Files generated on Monday, 11th December 2023.
ADMIRAL is licensed under the Creative Commons CC-BY-NC license. Copyright © France Cyber Maritime 2023.