Without the actual language of the bill, it's hard to determine which specific problems the bill is attempting to remedy. Electronic Frontier Foundation attorney Mark Jaycox told CNET that Executive Order 13636 authorizes "a tremendous amount of sharing" between the government and businesses and between companies through their publication of threats and disclosure lists.
"From the press release, the privacy protections are still severely lacking as compared to last year's Senate cybersecurity bill," he said. "And we're still very much concerned about the new powers to monitor users and launch countermeasures."
Although Feinstein's statement notes that technical changes are planned to clarify how and when entities will be allowed to share information, Jaycox isn't hopeful that they will err on the side of privacy. The problems are perennial concerns for privacy advocates.
"The bill appears to retain many of the same problems that President Obama pointed to when he threatened to veto CISPA in both 2012 and 2013," he said. The Cyber Intelligence Sharing and Protection Act is the House of Representatives' version of the bill.