The move comes as large technology companies
unite to beef up their defenses against government intrusion and
hacking, most notably after Edward Snowden exposed last year the
National Security Agency's mass surveillance programs.
Google, Microsoft and Facebook Inc moved to encrypt internal
traffic after revelations by Snowden that the spy agency hacked
into their connections overseas. The companies have also smaller
adjustments that together make sweeping collection more
Yahoo has altered its email process so users adopting encryption
type messages in a separate window, preventing even Yahoo from
reading the messages as they are typed, the Journal said.
Yahoo officials could not be reached immediately for comment.
Earlier Thursday, Google said it was encouraging website
developers to make their sites secure for visitors by using site
encryption as one of the factors to determine search ranking.
(Reporting by Sudarshan Varadhan in Bangalore; Editing by Leslie
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