A 19-year-old college student will plead guilty to carrying out a massive hack against PowerSchool, a popular student information system used by schools around the country. The hacker threatened to leak the names, email addresses, phone numbers, Social Security numbers, dates of birth, and medical information of tens of millions of students and teachers if the company didn’t pay a $2.85 million ransom. PowerSchool paid the ransom but later received additional threats to expose stolen data. The DOJ accuses the hacker of breaking into PowerSchool using stolen login credentials and transferring the information to a computer server in Ukraine.