When Supersonic Is Just Too Slow
New York to Los Angeles in 37 minutes? The Air Force, Boeing and United Technologies prepare to fly a hypersonic jet.

Energizer Battery Charger's Trojan Horse
This USB-powered charger may be installing malware on PCs.

Plugging Security Holes
Where are the back doors to the corporate jewels, and what can be done to fix them?

Researchers Split Over Google's Hackers
Were the intruders sophisticated spies or run-of-the-mill thieves?

Cybersecurity: Just Get Tough
When we're attacked, experts say, why not hit back hard?