By Raphael Satter and Elizabeth Culliford
SAN FRANCISCO (Reuters) – Facebook Inc (NASDAQ:) on Tuesday sued Israeli cyber surveillance firm NSO Group, alleging it hacked users of messaging platform WhatsApp earlier this year.
The hacking spree targeted journalists, diplomats, human rights activists, senior government officials and others, Facebook said in its lawsuit, filed in U.S. District Court in San Francisco.
Facebook is seeking to have NSO barred from accessing or attempting to access WhatsApp and Facebook’s services and is seeking unspecified damages.
NSO’s representatives in Washington and Tel Aviv did not immediately return messages seeking comment.
NSO’s alleged use of a flaw in WhatsApp to hijack phones caused international consternation when it was made public in May of this year.
At the time, WhatsApp said the flaw was used to target a “select number of users” but gave little further detail.
NSO’s phone hacking software has been implicated previously in a series of human rights abuses across Latin America and the Middle East, including a sprawling espionage scandal in Panama and an attempt to spy on an employee of the London-based rights group Amnesty International.
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