Google Uses Reputation To Detect Malicious Downloads

An posting from DarkRead about Google Uses Reputation To Detect Malicious Downloads: Google researchers have combined a number of reputation techniques to create a system that is 99 percent successful in detecting and blocking malicious executables downloaded by users of its Chrome browser.

The system, known as Content-Agnostic Malware Protection or CAMP, triages up to 70 percent of executable files on a user’s system, sending attributes of the remaining files that are not known to be benign or malicious to an online service for analysis, according to a paper (pdf) presented at the Network and Distributed System Security Symposium (NDSS) in February. While the system uses a blacklist and whitelist on the user’s computer to initially detect known good or bad files, the CAMP service utilizes a number of other characteristics, including the download URL, the Internet address of the server providing the download, the referrer URL, and any certificates attached to the download.

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