Ransomware Group Brain Cipher Targets French Museums During Olympics

The ransomware group Brain Cipher has claimed responsibility for a cyberattack on several French National Museums that took place during the Olympic Games earlier this month. The attack, which targeted institutions managed by the Réunion des Musées Nationaux – Grand Palais (RMN-GP), allegedly compromised 300 GB of data from a system used to centralize financial information. 

Despite the group’s threat to leak the stolen data, they have not yet revealed the nature of the information.

The French Cybersecurity Agency (ANSSI) confirmed it was alerted to the attacks and promptly provided assistance to RMN-GP. ANSSI assured the public that the incident did not affect any systems related to the Olympic Games. Events like taekwondo and fencing, hosted by the RMN-GP, continued without disruption. RMN-GP also confirmed that there were no operational impacts, encrypted systems, or extracted data detected in connection with the attack. 

Nevertheless, the situation remains closely monitored as the countdown to the data leak continues on Brain Cipher’s blog, set to occur at 20:00 UTC.

Brain Cipher is a relatively new ransomware group that first emerged in June 2023. Since then, the group has been linked to various cyberattacks targeting different sectors, including medical, educational, and manufacturing organizations, along with Indonesian government servers. Despite their activities, the group has attempted to maintain a controversial public image. 

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