Freehold Township schools will be closed Monday due to a “cybersecurity event,” a school official said late Sunday. Dianne Martello Brethauer, the district’s assistant superintendent, announced the closure on her X (formerly Twitter) account at 9:40 p.m. Sunday. “The Freehold Township Schools will be closed on Monday, 1/29/24 due to technical difficulties related to a cybersecurity event. We apologize for the inconvenience,” she wrote. No further details about the cybersecurity issue were provided. The Monmouth County school district has eight elementary and middle schools that serve grades K-…