CAMP for Chrome catches 99% of malware, Google says...

Google researchers have developed a combined client- and server-side system that uses blacklisting, whitelisting and the characteristics of an executable file to catch nearly 99% of all malicious downloads.

The content-agnostic malware protection system, called CAMP, was described in a research paper presented in February at the Network and Distributed System Security Symposium. The system for the Chrome browser is meant to address the inherent weaknesses of using whitelisting and blacklisting as a defense against malicious binaries.

Read more: http://www.networkworld.com/news/2013/040913-camp-for-chrome-catches-99-268529.html

It sounds like default allow enhanced by white list with heuristic cloud analysis of unknown downloaded files.

It misses, default deny, exploits of the browser and malicious links/malware in emails.