“Cyberspies have penetrated the U.S. electrical grid and left behind software programs that could be used to disrupt the system, according to current and former national-security officials…But protecting the electrical grid and other infrastructure is a key part of the Obama administration’s cybersecurity review, which is to be completed next week. Under the Bush administration, Congress approved $17 billion in secret funds to protect government networks, according to people familiar with the budget. The Obama administration is weighing whether to expand the program to address vulnerabilities in private computer networks, which would cost billions of dollars more. A senior Pentagon official said Tuesday the Pentagon has spent $100 million in the past six months repairing cyber damage.”