Leaked power points from the Five Eyes of global intelligence (USA, Britain, Canada, Australia, New Zealand) expose how the intelligence agencies of each of these countries manipulate the information on the internet using tactics of deception. [Source
Their goals are:
(1) to inject all sorts of false material onto the internet in order to destroy the reputation of its targets
(2) to use social sciences and other techniques to manipulate online discourse and activism to generate outcomes it considers desirable
To see how extremist these programs are, just consider the tactics they boast of using to achieve those ends: “false flag operations” (posting material to the internet and falsely attributing it to someone else), fake victim blog posts (pretending to be a victim of the individual whose reputation they want to destroy), and posting “negative information” on various forums.
These slides lists their tactics:
Deny, Disrupt, Degrade, Decieve
They also use social engineering tactics: