Israeli spyware used to target Pakistani officials' phones, reveals report.

ISLAMABAD -- The mobile phones of at least two dozen Pakistani senior defence and intelligence officials were allegedly targeted with technology owned by the Israeli spyware company NSO Group, reveals a British newspaper report.

The alleged breach of privacy was discovered during an analysis of 1,400 people whose phones were the focus of hacking attempts in a two-week period earlier this year, the report says quoting sources familiar with the matter who wished not to be named.

The malware's users exploited a vulnerability in WhatsApp software to access messages and data on the targets' phones.

The discovery of the breach in May prompted WhatsApp, which is owned by Facebook, to file a lawsuit against Israeli Spyware company NSO in October in which it accused the company of 'unauthorised access and abuse' of its services.

'The alleged targeting of Pakistani officials gives a first insight into how NSO's signature 'Pegasus' spyware could have been used for 'state-on-state' espionage,' read the report.

'This kind of spyware is marketed as designed for criminal investigations. But the open secret is that it also winds up being used for political surveillance and government-on-government spying,' John Scott-Railton, a senior researcher at the Citizen Lab, an academic research group located at the University of Toronto that has worked with WhatsApp to help identify victims of the...