On Sunday, the computer systems in the city of Torrance suffered a cyber attack that interrupted access to email accounts and server functions.
The City of Torrance is located in the South Bay along the Pacific coast, it has a population of approximately 150,000 people.
Now additional news about the attack is circulating online, it seems that the City of Torrance of the Los Angeles metropolitan area, California, has allegedly been attacked by the DoppelPaymer Ransomware.
Unfortunately, the attacker have also stole unencrypted data from the infected systems before decripting them.
The attackers are demanding a more than $680 ransom worth of Bitcoin (100 BTC) to decrypt data, meantime they have already leaked online a part of the stolen files on their Dopple Leaks website to force the victims to meet the request.
DoppelPaymer operators have published a page titled “City of Torrance, CA” that contains numerous leaked file archives.
“Based on the names of the archives, this data includes city budget financials, various accounting documents, document scans, and an archive of documents belonging to the City Manager.” reported Bleeping Computer.
Below the Tweet published the data breach notification service Under the Breach:
DoppelPaymer operators told BleepingComputer that in the attack took place on March 1st they encrypted files on approximately 150 servers and 500 workstations. The gang also claims to have erased the City’s local backups and to have stolen over 200 GB of files.
BleepingComputer has obtained a list of all of the files the hackers claim to have stolen, it includes 269,123 files throughout 8,067 directories.
DoppelPaymer in November compromised systems at the Mexican state-owned oil company Petróleos Mexicanos (Pemex) and demanded a $4.9 million ransom.
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(SecurityAffairs – ransomware, hacking)