None of the researchers was aware of the identity of the brain when initially looking at it.

CNN: STORY HIGHLIGHTS

Yet there are leaders who are partially or even fully aware of the identity of their "partners, " and who believe - or hope -- that by dialoguing with the radicals, they might entice them toward peace and moderation.

CENTERFORSECURITYPOLICY: Dialogue's dilemmas

In a document, Assistant U.S. Attorney Stephanie S. Christensen said other hackers were aware of Mr. Monsegur's true identity, even though he often used a nickname or online personality while communicating with them.

WSJ: FBI's 'Sabu' Hacker Was a Model Informant

Mr Entwistle was criticised for not knowing about the north Wales programme until after it screened, for not being aware of a newspaper article which revealed the mistaken identity, and for not knowing about a tweet saying Newsnight was poised to broadcast the revelations.

BBC: needs 'radical overhaul', says Lord Patten

Aware that a one-state solution would undermine the Jewish identity of Israel, frustrated Palestinian officials increasingly warn that they may abandon their quest for statehood and push for that instead.

BBC: Reconsidering the two-state solution

Understanding world heritage can help us become aware of our own roots, and of our cultural and social identity.

UNESCO: 2012 UNESCO Youth Summit

Understanding World Heritage can help us become aware of our own roots, and of our cultural and social identity, which can help us to create meaningful and lasting social innovation and change, building peace in the minds of men and women.

UNESCO: 2015 UNESCO UK World Heritage Youth Summit Conference

Citigroup says it has no reason to believe that this information has been used inappropriately, nor has it received any reports of unauthorized activity, but wants to make customers aware of the problem and provide them with suggestions on how to protect their identity.

FORBES

The most aware digital citizens maintain a curious but understandable double standard: media should be liberated, but identity locks should be protected.

ENGADGET: Editorial: We, the digitally naked