What is CISPA, and Why Should You Care? | News & Opinion | PCMag.com:
CISPA would allow for voluntary information sharing between private companies and the government in the event of a cyber attack. If the government detects a cyber attack that might take down Facebook or Google, for example, they could notify those companies. At the same time, Facebook or Google could inform the feds if they notice unusual activity on their networks that might suggest a cyber attack.