Hackers use old-school techniques to infiltrate energy outfits
The strange phone calls trickled into the undisclosed NRG Energy Inc. plant over two days in mid-March. Four separate people -- three men and one woman -- called NRG personnel in two departments seeking access to personal computer passwords and IP addresses. They likely claimed to be from tech support, but their true identities and whereabouts are unknown. Such simple attempts to gain unauthorized network access seem quaint in today's age of advanced cyberweapons and computer-savvy gangs of hackers. But why bother combing through zeros and ones when a cold call often does the trick?