Sporadic outages at PayPal stretched into a fifth day on Tuesday, though the company late in the day reported that access had returned to normal for most users. Even as access appeared to be improving,... More...

In war, politics and sports, it's often said that the best defense is a strong offense. But the foot soldiers of computer security work differently: They scramble to build virtual walls that can blunt the... More...

Internet broadcasters are cautiously viewing a proposed royalty rate that could make them pay fractions of a cent each time they play a song online. But the ultimate cost could be their businesses.... More...