"Apple announced on Tuesday the public availability of its next browser,
Safari 4, seemingly adding a host of new security features to the
candy, such as cover flow.
The security features are not new, however. The company quietly added anti-malware and phishing protection, as well as support for extended validation certificates with its Safari 3.2 update last November. The quiet release of the security features in the previous version of Apple's browser explains why the company did not mark any of its list of 19 security features as new."
Read more: http://www.securityfocus.com/brief/915