Ho hum. This kind of spying is world-wide. Anything communicated electronically is open to eavesdropping.
Of course the really dangerous ones use simpler and more confidential means of communication (personal contact).

Israel is expert in using cellphone and other communications 'ears' and satellite observation to locate and direct rocket attacks on 'troublesome' Palestinians. All 'advanced' countries have the capability.
It is done whether admitted or not.