Why YSK: It appears several Lemmy Instances are flagged as suspicious and at least 1 instance intentionally using the name of ransomware. A couple of the big enterprise monitoring suites (Fortiguard, ZScaler) will flag your account and may end up with you being pulled into an office for an explanation, or worse.
TL;DR: Keep browsing to your local instance at work for now.
Depends on who owns the network as well and if you’re connected to a corporate VPN. The rule of thumb is that you can’t expect privacy if you’re not the sole admin of that computer.