And someone had been tampering with the security sensors in the vicinity of the airlock.
The security sensors would probably track it down eventually, but it was going to be a long, slow process.
"Edit the signals from the cargo bay's security sensors so it appears I'm not here."
"Is that a pickup from a security sensor in the outpost?"
We got a problem with the security sensors.
Wilholm is well protected, and I'm hooked into all the security sensors.
She would have had to pass the security sensors on the way out.
Start moving the perimeter back and get some security sensors up.
Their security sensors will have picked us up by now.
Anyone attempting to climb or cut through it is pinpointed on the security sensors.