
The United States would use cyberweapons against an adversary's computer networks only after those at the highest levels of government approved of the operation because of the risks of collateral damage, a senior U.S. military official said this week.
The mysterious caller claimed to be from Microsoft and offered step-by-step instructions to repair damage from a software virus. The electric power companies weren't falling for it.

The Islamic fundamentalist regime in Iran has been at war with the United States for more than 30 years, but every administration from President Jimmy Carter's to the current one has tried to ignore it. Currently, the Obama administration is wrestling with the issue of Iran's drive to achieve nuclear weapons capability.
The Hollywood movie "Act of Valor" — the nation's No. 1 box-office attraction, starring real Navy SEALs — has put the spotlight on the U.S. military's post-Sept. 11, 2001, love affair with the media.
The Pentagon's newest unified command is marshaling troops for a future war that some say already is being fought in the global communication and information networks that make up cyberspace.

A longtime adviser to U.S. commanders in Afghanistan says now is the time for President Obama to change strategy and target Taliban leaders ensconced in Pakistan.

GOP presidential front-runner Mitt Romney has assembled a cast of conservative George W. Bush-era veterans as his key national security advisers. Some of them played important roles in the war on terror and the invasions of Afghanistan and Iraq.
A federal appeals court has ruled as constitutional a law giving telecommunications companies legal immunity for helping the government with its email and telephone eavesdropping program.
A federal appeals court has ruled as constitutional a law giving telecommunications companies legal immunity for helping the government with its email and telephone eavesdropping program.