NSA and CIA regard adservers as a security risk

https://www.vice.com/amp/en/article/...mpression=true

Quote:

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.