Several vulnerabilities have been found in Absolute Software's LANrev program, which was used by a Pennsylvania school district to spy on its students.

"The LANrev program can be exploited from anywhere on the Internet, not just from an attacker on the same local area network as a victim’s computer, according to researchers who say that a second key used by the system is just as insecure as one that was previously disclosed," writes Threat Level's Kim Zetter.

"The vulnerability places at risk any company that uses the software," Zetter writes.

Click here to read the Threat Level article.