Hackers released data from Los Angeles Unified School District on Saturday, a day after Supt. Alberto Carvalho said he would not negotiate with or pay a ransom to the criminal syndicate.

At a moment when education technology firms are stockpiling sensitive information on millions of school children, safeguards for student data have broken down.

At a moment when education technology firms are stockpiling sensitive information on millions of school children, safeguards for student data have broken down.