Hacker group LulzSec claims to have knocked U.K.’s Serious Organised Crime Agency offline. Hackers have claimed responsibility for a large number of recent database breaches and DDoS attacks. Group also said it was joining forces with Anonymous, another hacking group that last December led attacks against WikiLeaks. Analyst: “There’s still a lot of low-hanging fruit out there, plenty to embarrass companies and organizations,” John Pescatore of Gartner. Pescaore: “Unfortunately, it’s pretty easy to do””]