The Home Office wants powers to monitor internet traffic, known as communications data, to keep track of serious criminals and terrorists.
But civil liberties campaigners have described the measures as a "Snooper's Charter" and a "dangerous" invasion of privacy.
Jim Killock, Executive Director of the Open Rights Group, told Sky News: "We're really worried about these new plans for internet snooping, they represent a huge increase in the amount of surveillance government has that are really not appropriate.
"People need to be suspected before they're surveilled - that's how the law should work, but what the Government's saying is: 'Were going to treat you all as suspects, and ask you to trust us not to abuse that data.' Read More