ANSWER: "whistleblower" .
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Philosophy is a type of expression correct me if I’m wrong !
Circadian Rhythm? I might be completely wrong
<span>Cyber warfare. With increasing technology, traditional warfare may be used less often, since cyber warfare would be less costly in terms of human casualties and weaponry, while still having devastating effects. This could also be referred to as cyber terrorism, if the action is performed by a rogue nation.</span>