Mr. Poulos questioned whether bank customers would switch to brokerage firms that do not provide the convenience and customer service available through the networks of neighborhood bank branches, complete with tellers.
Whatever his role, Mr. Snowden's ability to comb through the networks as a lone wolf — and walk out the door with the documents on thumb drives — shows how the agency's internal security system has fallen short, former officials say.
Mr. Marin, the Paris prosecutor, said Monday that the investigation into spying had not yet formally been dropped, but added, "If there was any espionage, it was not carried out through the networks identified by Renault".
In shared multi-hop wireless networks, nodes cooperate to forward each other's packets through the networks.
Hackers have run rampant through the networks of at least five oil and gas firms for years, reveals a report.
The Network is a not-for-profit organization, funded by the federal government through the Networks of Centres of Excellence.
