Maritime Computer Emergency Response Team ADMIRAL dataset ADMIRAL dataset

Publicly disclosed information for this event

Index Number:
The website of a passenger transport company is victim of a denial of service attack claimed by a [...]
Day Month Year Country Activity Incident Type
22 August 2023 Norway Shipowner Denial of Service


A major gas station conglomerate was victim of a targeted cyberattack.

According to sources, the attacking group claimed responsibility for the attack, allegedly impacting the website of the company in Ukraine and over 200 gas station networks throughout the country. Without specifying all affected entities, the attackers singled out three primary targets, emphasizing their large-scale impact in the country. The significance of the breach was further underlined as it coincided with Ukraine's independence day, a detail the attackers highlighted in their messages.



Claimed/Reported Threat Actor




Main impact



Recommendations to Shipowner 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.