knightly [none/use any]

Garlic aioli.

This.

If you only need to disrupt gait recognition for a short period of time, then something as low-tech as some pebbles in your shoe would suffice. But there aren’t any solutions that can fool it long-term.

Can? Probably. Will? No. They would need access to Crowdstrike’s update distribution system and if they had that they could do much more interesting things than crashing a bunch of systems.