The issue focused on the "right balance between security and privacy," according to the report released Wednesday.

"The U.S. government has failed to address security concerns in a way that protects the privacy and security of Americans, even in the context of online data," Edward Snowden wrote in a blog post.

The report also pointed out a lack of transparency on how the NSA gathers its data about online activity and how it stores that information. The NSA's bulk collection of Internet data, for example,