Bitcoinist.net:

Malware crypto california district

A crypto ransomware attack shut down the Mountain View-Los Altos school district servers and phone system on Wednesday. The malicious software demanded Bitcoin as ransom to restore service.

District Operations Have Been Frozen
By shutting down file access on the district’s servers, the crypto ransomware has created tremendous problems for teachers and administrators. Many classroom activities such as exams and presentations have had to be halted. Additionally, fraudulent activity on district credit cards has taken place, which is believed to be tied to the attack. 
Whether or not sensitive student data has been compromised remains unknown.
The software involved, known as Sodinokibi, likely comes from Russia or China. It emerged in 2019 and has since proliferated across the globe. For example, in January this malware hit the…

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Source: https://bitcoinist.com/crypto-ransomware-paralyzes-california-school-district/