A computer attack that's been observed on the Eastern Michigan University campus may also pose a threat to your computer.
The university is warning of so-called "ransomware" called CryptoLocker, which EMU spokesperson Geoff Larcom says poses a serious threat.
Lacom says the attackers can grab your files, encrypt them and lock them away. The owner is then forced to pay a ransom to have their files unencrypted and returned.
The Ann Arbor school board has approved the first two purchases funded by the technology bond voters approved earlier this year. Hear more from WEMU's Andrew Cluley.
Bond issue approved by large margin in Ann Arbor school district.
Ann Arbor school district voters to decide technology bond issue.