Okay, Glory
Novelette 9,723 words Recommended by 4 award/anthology sources
Brian wakes up in his mountain retreat to find his home AI system has been hacked and he can’t escape the house without paying a huge ransom. He’s an engineer, so he’s not ready to pay up without a fight.
Quasar links out; the story lives on Twelve Tomorrows 5, where the author gets the click.