The recent data breach at U.S. retailer Target revealed deep flaws in point-of-sale security, which continues to be a neglected area despite the abundance of applicable regulations and the growing number of targeted attacks. For retailers, the incident provides an opportunity to step back and consider how they can make IT systems more secure. From the warehouse to the s...

The December breach of U.S. retailer Target brought memory-only malware back into the spotlight. The infection that compromised Target's systems was a member of a Trojan family that loads itself into RAM without any installation on the main drive. Some security researchers have fretted about the impact of such threats, pointing out that they're resilient against many t...

School IT administrators have to contend with a new wave of security vulnerabilities. Incidents such as a California scandal involving student use of keylogging software have exposed some of the weaknesses in educational IT systems. It's not just students who pose a risk to the network, either - recently, a U.K. teacher accidentally uploaded adult materials to a school se...