(Linn Co., IA) -- A new report from the Iowa Attorney General's Office says the Linn-Mar School District has been the victim of a cyber attack. The attorney general's office says nearly 5,700 current and former staff members may have been impacted by the attack, which happened between July 26th and August 1st. Leaked information could include names and social security numbers. The school district says there's no evidence any of the information has been misused, but it won't rule out the possibility. No student information has been leaked.