Hezbollah was caught off-guard by a cyberattack on the Lebanon terrorist organization pagers that wounded thousands of members.
Hezbollah members were wounded in Beirut after their communication pagers exploded on Tuesday.
The Shin Bet agency did not name the official. It said in a statement that it had seized an explosive device attached to a remote detonation system that Hezbollah had planned to operate remotely.
Security forces also killed a terrorist who threw explosive devices and dismantled a vehicle rigged with explosives.
Police allege that crucial security warnings about a potential Hamas attack were withheld overnight, raising questions about missed opportunities to prevent the Nova music festival massacre.
Argaman explained that there is no connection between the smuggling of ammunition to Gaza and the Philadelphi corridor, as Netanyahu claimed in his speech.
Wadia was eliminated in addition to eight Hamas terrorists of the Daraj Tuffah Battalion in an Israel Air Force strike on a compound in Gaza City.