Graphics-chip manufacturer Nvidia ( NVDA ) is suffering through a rough week.
The company announced Wednesday that it expected its chip sales to be weak in the second quarter, due to sluggish demand from China and Europe. Also weighing on results, Nvidia warned, were high memory costs.
Some computers come equipped with graphics chips integrated into their motherboard; these systems are less profitable for graphics processing unit companies like Nvidia and ATI - now owned by AMD. Integrated-GPU PCs may be growing in popularity and pressuring Nvidia's earnings.
LAS VEGAS – Researchers have uncovered new ways that criminals can spy on Internet users even if they're using secure connections to banks, online retailers or other sensitive Web sites.
The attacks demonstrated at the Black Hat conference here show how determined hackers can sniff around the edges of encrypted Internet traffic to pick up clues about what their targets are up to.
It's like tapping a telephone conversation and hearing muffled voices that hint at the tone of the conversation.
The problem lies in the way Web browsers handle Secure Sockets Layer, or SSL, encryption technology, according to Robert Hansen and Josh Sokol, who spoke to a packed room of several hundred security experts.