The FBI has raised alarm that hackers who breached AT&T’s system last year may have stolen months of agents’ call and text logs, which could potentially lead to the identities of anonymous informants connected to investigations, according to a document reviewed by Bloomberg.

PowerSchool, a software provider popular at K-12 schools, was the target of a data breach in late December that affected many districts in the U.S. and in other countries, according to the company and several impacted schools .

One of the latest significant information leaks involves data from PowerSchool, a software provider for thousands of K–12 school districts in the United States and Canada. The incident affected millions of users.

Over 60 million students & teachers data may have been stolen in PowerSchool breach

Professor noted the need for continued pushes for multi-factor authentication for educational services that require such extensive identifying information.