If you haven't taken the time to read the bill you might want too.
http://www.rules.house.gov/Media/file/PDF_112_2/Reports/HRPT-112-HR3523HR4628.pdf

One of the more disturbing parts is that the government would be able to search information it collects under CISPA for the purposes of investigating American citizens with complete immunity from all privacy protections as long as they can claim someone committed a “cybersecurity crime”.

So much for the 4th Amendment.