WikiLeaks Editor Julian Assange was speaking at a press conference from London's Ecuadorian embassy.
Intelligence agencies have been aware since the end of last year of the breach, which led to WikiLeaks releasing thousands of pages of information.
The revelations in the purloined documents could further complicate ties between the U.S. and Germany.
Encryption used by WhatsApp, Telegram and Signal is useless if devices are infected by spy tools.
There may be merit to the intelligence community's concern about Trump's discretion.
What did the president know and when did he know it?
The CIA has not confirmed the visit, but officials and media expect Pompeo Thursday.
Gina Haspel is the first career CIA woman to be appointed deputy director.
Gina Haspel, who will serve under new Central Intelligence Agency Director Mike Pompeo, was the first woman spy to reach the CIA's second-highest position.
There should be no cloud over the legitimacy of the president who makes such a pick.
Former CIA officer argues the U.S. is de facto declaring war on Islam—'to no useful purpose.'
Intelligence veterans say the president's order strips a valuable tool from agents seeking to attract informants.
The now defunct program's Enhanced Interrogation Techniques, which included simulated drowning known as water boarding, were criticized around the world. Former President Barack Obama and other senior U.S. officials denounced water boarding as torture.
Trump critics have been threatened by fans stirred up by Trump's tweets.
The bin Laden raid will be one of Obama's most enduring legacies.
President draws applause as he blasts the media, hints at a return to torture and touts his unconfirmed pick for the spy agency.
The visit to Central Intelligence Agency headquarters in Langley, Virginia, in the Washington suburbs, has a symbolic element, since Trump had questioned the CIA's conclusion that Russia was involved in cyber hacking that interfered with the U.S. election.