"City of Dallas Details Ransomware Attack Impact, Costs"

The City of Dallas has recently announced that an $8.5 million budget has been approved to support the restoration of its systems following a ransomware attack that happened in May 2023.  The attack was identified on May 3, when the cybercrime gang named Royal started deploying file-encrypting ransomware on multiple systems.  The investigation launched into the matter has revealed that the attackers had access to the city’s network for roughly a month before that.  Dallas said that during this time, Royal performed data exfiltration and ransomware delivery preparation activities.  The data exfiltration activities performed during the surveillance period resulted in data leakages totaling an estimated 1.169 TB at a time before May 03, 2023.  The city noted that during the same period, the cybergang deployed various tools on the city’s network in preparation for the ransomware deployment, which was executed with a focus on specific servers.  Dallas informed the Texas Attorney General’s office of the attack on August 7, revealing that the personal information of current and former personnel was compromised, including names, addresses, health and health insurance information, social security details, and other information.  

SecurityWeek reports: "City of Dallas Details Ransomware Attack Impact, Costs"