We've seen increased concern about and attention to things such as: criminal gangs; terrorism, both foreign and homegrown; maritime threats that could potentially become more than a search and rescue scenario, where the actual event could threaten North America in some respect; and cybersecurity threats, in regard to making sure that any of the information being gathered or pushed towards NORAD or pushed from NORAD is being protected and can't be manipulated.
Slowly but surely—and this is not unique to NORAD—security agencies and military departments are having to increase the size of their in-baskets for all the possible scenarios that could fall within their mandate.