Inside Hackers: $40B Threat for U.S. Employers

Fired from a job as a technology contractor for a Toyota Motor Corp. factory in Kentucky, Ibrahimshah Shahulhameed went home, logged into the company's computer network and attacked it with ...

Virus Targets the Social Network in New Fraud Twist

In the world of cyber fraud, a fake fan on Instagram can be worth five times more than a stolen credit card number. As social media has become increasingly influential in shaping reputations, hackers ...

Bogus Tweet Briefly Disrupts Financial Markets

Markets for stocks, bonds, oil and commodities were briefly roiled on Tuesday after a bogus report of explosions at the White House. Shortly after 1 p.m. (1700 GMT), U.S. government debt prices ...