The phrase "alert scanning" is correct and usable in written English.
It can be used in contexts related to monitoring or observing for potential issues or threats, often in security or technology fields.
Example: "The security system employs alert scanning to detect any unusual activity in real-time."
Alternatives: "vigilant monitoring" or "active surveillance".
As he lay in bed, his head propped by an inflatable pillow, Johnny's eyes seemed unusually alert, scanning the room and greeting any new visitors.
She lay in my lap, startingly alert, scanning me as I scanned her, our gazes moving about each other's bodies, limbs, faces, eyes--repeatedly returning to the eyes, returning and then locking.
They may not touch the controls for the majority of a drive, but they still have to be here, still have to stay constantly alert, scanning the road, watching for mistakes made by their autonomous chauffeurs.
We were young and happy when my mother suddenly yelled, "DUCK!" Naturally, I sat forward on high alert, scanning the road for a domestic waterfowl in our path.
You can create keyword-based alerts, scan your mentions, order them and assign them to someone else on your team.
His Apple PowerBook computer was already alive, alert, and scanning the Internet for such dubious data as people like Charlie always found beguiling.
It's also our early-warning system, an organ on high alert, constantly scanning our environment for anything that could threaten survival.
Its also our early-warning system, an organ on high alert, constantly scanning our environment for anything that could threaten survival.
Start making an active effort to stay alert by scanning ahead as far as you can see.
When IceCube put out an alert to scan the patch of sky in the constellation Orion where this neutrino likely originated, more than a dozen observatories answered the call, including Neil Gehrels Swift Observatory, Fermi Gamma-Ray Space Telescope, the Nuclear Spectroscopic Telescope Array, and the Very Energetic Radiation Imaging Telescope Array System.
Apart from using intrusion detection alerts, active scans, and blacklists in order to characterize remote hosts exhibiting frequent communication with local investigated hosts, we also exploit security-related information residing on the web.
