Feds Alert on Cyber Threat to Schools

The Federal Bureau of Investigation (FBI), the Cybersecurity and Infrastructure Security Agency (CISA), and the Multi-State Information Sharing and Analysis Center (MS-ISAC) today issued a Joint Cybersecurity Advisory to warn that malicious cyber actors are actively targeting public school systems, leading to ransomware attacks, theft of data, and the disruption of distance learning services.

As previously reported on Conduit Street, the Baltimore County Public School system last month was hit with a ransomware attack that led to a systemic shutdown of the school system’s network information systems.

According to the CISA Advisory:

Cyber actors likely view schools as targets of opportunity, and these types of attacks are expected to continue through the 2020/2021 academic year. These issues will be particularly challenging for K-12 schools that face resource limitations; therefore, educational leadership, information technology personnel, and security personnel will need to balance this risk when determining their cybersecurity investments.

According to MS-ISAC data, the percentage of reported ransomware incidents against K-12 schools increased at the beginning of the 2020 school year. In August and September, 57% of ransomware incidents reported to the MS-ISAC involved K-12 schools, compared to 28% of all reported ransomware incidents from January through July.

The five most common ransomware variants identified in incidents targeting K-12 schools between January and September 2020—based on open source information as well as victim and third-party incident reports made to MS-ISAC—are Ryuk, Maze, Nefilim, AKO, and Sodinokibi/REvil.

Read the full Joint Cybersecurity Advisory for more information.

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