Blue and White party leader Benny Gantz and a number of his top aides were reportedly the victims of a Russian hacking effort earlier this year, Channel 12 News reported Wednesday.
According to a report by the CGI Group, an Israeli firm specializing in business intelligence, Gantz's mobile device was targeted in a "powerful and unprecedented attack by Russian hackers, the kind we have never seen before."
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Also targeted in the attack was Blue and White campaign headquarters chief Ido Har-Tov, campaign adviser Ronen Moshe, and chief of staff Hod Betzer.
Both party insiders and CGI noted that neither Gantz nor his top aides had left any sensitive data on their mobile devices that could be vulnerable to hackers.
The firm also said that it had discovered a "mole" inside the Blue and White Party campaign accused of leaking sensitive information to the media.
CGI determined, however, that the leaks did not ultimately harm the party.
If confirmed, that it would mark the second time this year the Blue and White party leader has been targeted by a hacking attempt.
In March, it was revealed that Iranian hackers beached Gantz's personal mobile device in an effort to obtain messages and personal information that could be used against him in April's elections.
