A trove of information on current and former students and teachers was accessed during the December cyberattack, sources say

PowerSchool, a popular online portal used by many New York school districts to manage student registration, grading, attendance and more, was hit by a data breach in December that saw the unauthorized release of some student information.

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.