The NSA and CIA Use Ad Blockers Because Online Advertising Is So Dangerous
Lots of people who use ad blockers say they do it to block malicious ads that can sometimes hack their devices or harvest sensitive information on them. It turns out, the NSA, CIA, and other agencies in the U.S. Intelligence Community (IC) are also blocking ads potentially for the same sorts of reasons.
The IC, which also includes the parts of the FBI, DEA, and DHS, and various DoD elements, has deployed ad-blocking technology on a wide scale, according to a copy of a letter sent by Congress.
Source: The NSA and CIA Use Ad Blockers Because Online Advertising Is So Dangerous