Maritime Computer Emergency Response Team ADMIRAL dataset ADMIRAL dataset

Publicly disclosed information for this event

Index Number:
The website of the maritime defence administration is victim of a denial of service attack claimed [...]
Day Month Year Country Activity Incident Type
14 August 2023 Thailand Defence Denial of Service


The victim experienced a cyber disruption when their website was rendered inaccessible due to a reported DDoS attack. This comes after the same cyber group compromised another major electronics company within the country.

According to sources, the attacking ransomware organization has claimed responsibility for the cyberattack on the victim's website.

The group's recurring focus on Thai entities and their propensity for publicizing stolen data has emerged as a distinctive pattern in their operations.


Royal Thai Navy

Claimed/Reported Threat Actor




Main impact



Recommendations to Defence to reduce Denial of Service risks:

  • Implement rate limiting and traffic filtering to mitigate the impact of incoming malicious traffic.
  • Check with your IT service provider that the resilience of its systems against such attack was tested.
  • Regularly monitor network traffic and set up alerting for unusual patterns or spikes.
  • Diversify your server locations and use fail-over systems to ensure service availability in case of an attack.
  • Establish an incident response plan to quickly mitigate and recover from DoS attacks.
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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.