Review wrapped up: Last week, the Obama administration wrapped up its 60-day review of the previous administration's Comprehensive National Cybersecurity Initiative. A White House spokesman said the administration will discuss the results "after the president has had an opportunity to carefully review the group's effort."

Pentagon hacking: Cyber spies broke into the Pentagon's $300 billion Joint Strike Fighter project -- the defense department's costliest weapons program ever, the Wall Street Journal reported. The Pentagon and Lockheed Martin, the lead defense contractor for the F-35 Joint Strike Fighter, suggested that the attacks had not caused any serious security breaches. However, intruders were able to copy data related to design and electronics systems, officials say, potentially making it easier to defend against the craft.

Electrical grid hacking: Last week, the Journal reported that Chinese and Russian hackers had infiltrated the U.S. electrical grid. Attacks like these -- or U.S. awareness of them -- appear to have escalated in the past six months, said one former official briefed on the matter.