The Canadian Press has learned the government is also looking to give police greater ability to generally restrict the movements of purported extremists by lowering the threshold for obtaining a peace bond.
An internal federal review of two deadly attacks on Canadian soldiers last October has also highlighted a lack of suitable laws to crack down on radicals who openly encourage others to wage terrorism.
The government intends to address those areas as it prepares to deliver legislation that was promised following the killings.
On Oct. 22, Michael Zehaf Bibeau shot Cpl. Nathan Cirillo, an honour guard at the National War Memorial, before storming Parliament's Centre Block, where he died in a shootout.
Two days earlier, Martin Couture-Rouleau fatally rammed Warrant Officer Patrice Vincent with a car in St-Jean-sur-Richelieu, Que.
Follow @JimBronskill on Twitter
Also on HuffPost