Security briefings and hacking galore

The latest in Download news

This past week was mostly about security, as CNET covered both the Black Hat Security Conference and DefCon 19 Hacking Conference. At Black Hat, we learned a bit about some of Chrome OS' vulnerabilities, and got an inside scoop on Windows Vista's security level. Meanwhile, at DefCon 19 we got a rare look at an archaic piece of technology housing the original PC virus, and a mobile game vulnerability discovered by a 10-year old hacker who calls herself CyFi.

In other news, Mozilla Thunderbird 5 hit shelves. Check out our First Look video here. Also, if you're an Android user and you're into social networking, you won't want to miss our take on the battle between Hootsuite, TweetDeck, and Seesmic.