How To Prevent Malware on Lion & Snow Leopard Macs
Use third-party security software: Sophos
Sophos Anti-Virus for Mac Home Edition offers scanning, scheduling, and quarantine features similar to ClamXav's and it's easier to use. The highlights:
- Has a clean, intuitive interface.
- Works with OS X 10.4 through 10.7.
- Updates virus definitions almost every day.