Said that claims of his working as a foreign intel agent are "absurd".
U.S. official alleges the former-N.S.A. contractor collaborated with Russia.
New geek wars may leave computers encrypted to the teeth but no better protected against gov't snoops.
Agency monitors bookings to track foreign diplomats and officials.
"It's clear that our adversaries are rubbing their hands in glee," GCHQ eavesdropping head told lawmakers.
A Spanish newspaper made the claims Monday, citing a document it said formed part of papers obtained from ex-National Security Agency contractor Edward Snowden.
Western diplomats say U.S. officials have briefed them on documents obtained by Snowden that might expose intelligence ops of their countries.
Agency swept up 70.3 million French phone records.
Former N.S.A. systems analyst says 'zero' chance Russia or China got any documents.
The National Security Agency has been sifting through personal email and instant messaging accounts.