WhatsApp told the BBC its security team was the first to identify the flaw and shared that information with human rights groups, selected security vendors and the US Department of Justice earlier this month.
WhatsApp iliambia BBC kuwa timu yake ya usalama ilikuwa ya kwanza kubaini dosari hiyo na ilishiriki habari hizo na mashirika ya kutetea haki za binadamu, wachuuzi waliochaguliwa na Idara ya Sheria ya Marekani mapema mwezi huu.