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.

The hack has the potential to be one of the biggest of the year, but the edtech giant is refusing to answer important questions

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 .

A new report from Bleeping Computer suggests the hacker infiltrated the entire PowerSchool userbase, but PowerSchool declined to confirm or deny the numbers to PCMag.

Besides providing software for administration, grades, and other functions, PowerSchool stores personal data for students and teachers, with much of that data including Social Security numbers, medical information,

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

PowerSchool, a widely used platform among districts in western Washington, including Seattle and Everett, confirmed the breach.