Hackers released a cache of data stolen during a cyberattack against the Los Angeles Unified School District, seen as the most significant education breach in recent years.
Vice Society, a Russian-speaking group known for targeting schools and the education sector, claimed responsibility for the ransomware attack last month, TechCrunch reports.
The hack disrupted the LAUSD's access to email, computer systems and applications and published the data stolen from the school district over the weekend.
The group had previously set an Oct. 4 deadline to pay an unspecified ransom demand.
The hackers posted the stolen data to Vice Society's dark web leak site and appeared to contain personal identifying information, including passport details, Social Security numbers and tax forms.
The published data also contained confidential information, including contract and legal documents, financial reports containing bank account details and health information.
The LAUSD reportedly lost 500GB of files.
Just hours before the public release of the stolen data, LAUSD confirmed it would not pay Vice Society's undisclosed ransom demand.
LAUSD is the second largest district in the U.S., with more than 1,000 schools and 600,000 students.
According to a threat analyst, the Vice Society ransomware gang has attacked at least eight other U.S. school districts, colleges and universities in 2022.
The CISA and FBI previously warned the gang, saying Vice Society disproportionately targeted the education sector with ransomware attacks.
Russia reportedly sought China's military equipment to support its invasion of Ukraine.
Lapsus$ was held responsible for the hacks of Microsoft Corp (NASDAQ: MSFT) and Nvidia Corp (NASDAQ: NVDA) and the recent attack on game developer Take-Two Interactive Software, Inc (NASDAQ: TTWO)-owned Rockstar Games.
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