The government established the spyware committee on August 23 to investigate the "Pegasus affair," in which NSO's Ciphon malware was used to infect over a thousand phones.
"The hearing being held today in the court is in practice a hearing to cancel the results of the elections," accused Justice Minister Yariv Levin.
Eleven justices will preside over the case. The bench was expanded from three judges following the first hearing on August 3.
Opposition head Yair Lapid attacked the PM, saying Netanyahu "ignored the fact that Israel is being torn apart due to his government."
In contrast, protest leader Eyal Naveh said Levin's policies make him concerned for Israel's future.
One stormed the country’s judges, the other rushed to defend them, and both shaped a cursed year’s days of awe.
The hearing was set for Tuesday but will be delayed until a date no later than October 23.