The release of a quarter of a million classified U.S diplomatic cables has been described as the biggest release of secret documents in modern history.
It's set off furious debate about the balance between secrecy and transparency.
This week, Insight looks at WikiLeaks and the whistle-blowing websites that have sprung up in its wake.
Former WikiLeaks members have created 'GreenLeaks' and 'OpenLeaks', and traditional media are also getting in on the act.
Al Jazeera's new 'Transparency Unit' hopes to solicit secret documents anonymously. They've already released 1,700 confidential documents about the Israeli-Palestinian conflict - the so-called 'Palestine Papers'.
Most agree that this is unchartered territory and the world waits for what leaks may come next. But is the leaking of secrets about greater transparency, good journalism or is it just plain treachery?
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