Whats new in version 8.0.10:• The headline feature for version 9.0 is Web Protection, offering protection to make web browsing safe.
• Improved the existing features with a number of security and stability fixes.
• Version 9.0 supports Mac OS X 10.6 and up. This means we've discontinued support for all PowerPC systems and 10.4/10.5 Intel systems going forward.
Publisher review:Sophos Anti-Virus Home Edition will keep your Mac safe from viruses, Trojans and worms without getting in your way.
Best of all, Sophos Anti-Virus Home Edition is a free full-featured anti-virus. You get business-grade protection for your Mac backed by our SophosLabs experts - they're on the job every day of the year, 24 hours a day.
It which protects workstations, laptops and Macintosh PowerPC and Intel servers. It detects all Mac and Windows viruses hidden on Mac OS X. It allows you to administer a central point of networked systems in both environments as mixed exclusively Mac, as a component of Sophos Endpoint Security and Data Protection 9.0 solution.
Requirements:
- Supports all Apple Mac hardware including iMac, MacBook, MacBook Pro and the new MacBook Air
- 256 MB of memory
- 150 MB of available disk space
Operating system:Mac OS X 10.4 or later
Sophos Anti-Virus Home Edition 8.0.10 details 
