The U.K. government is proposing changes to an existing law that it says will bolster the ability to prosecute hackers and put them in prison longer. But analysts question whether the moves will constrict an explosive growth in costly cybercrime. The U.K. has sought to tighten the Computer Misuse Act of 1990 to more precisely target denial-of-service (DoS) attacks, which have been used to extort operators of online gambling sites. Full Story