You know you are at work and monitored.

You can browser personal accounts from your phone.

Yeah automatically assume everything on your work computer is available for your employer to see. And everything you do on your own device when connected to their WiFi or VPN.

I’m surprised this needs to be said out loud.

on your phone not connected to corp wifi

That doesn't matter anymore unless they have an SSL proxy. If you have ECH/ODoH anyway.

If anyone can fingerprint your personal device while literally inside the building, it is Facebook.

You don’t even need any to do something fancy in software. Could just be correlating mobile device presence with work laptop activity. Can triangulate physical location with a handful of Bluetooth or WiFi beacons.

Lots of those these days. Zacaler has a fair amount of enterprise market penetration.

And Ideally not connected to company WiFi

>You know you are at work and monitored.

unless you're in a jurisdiction that has anti-surveillance workplace laws, which if you don't should probably think about before Mark Zuckerberg gets the idea to monitor to your body temperature from below the waistline

- workplace being monitored (US)

- getting paid half the salary (EU)

I know which one most people pick.