Are PCs or Macs safer from internet security attacks? Of course PCs are widely considered the greater risk, but Macs are at risk more than is commonly known. This study says they face about the same problem with cybercrime.

My granddaughter has Macs at her school, and she says they crash all the time. Any school lab is probably a risky place.

Windows 7, which I installed yesterday, comes without an anti virus program, so I installed the free version of AVG, and if I like it I will upgrade.