According to a letter sent by Congress and shared with Motherboard, the “Intelligence” Community has deployed ad-blocking technology.
The news highlights the continued risk from the online advertising ecosystem. Some hackers leverage how adverts are delivered to send target devices malware. Data brokers and potentially intelligence agencies can leverage the ecosystem to gather information on devices and by extension people, sometimes including their physical location. The IC taking steps to protect itself from the dangers of the advertising ecosystem shows just how malicious it can be.
Joseph Cox in “The NSA and CIA Use Ad Blockers Because Online Advertising Is So Dangerous”
So you too should probably consider using a Pi-hole in your home and/or enterprise network – or, at the very least, use Mozilla Firefox with the invaluable uBlock Origin add-on. If you need help setting them up, let me know.