Can your employer see your browsing history at home?

No. No meaning not on your home wifi or say using your data on a mobile device. ONLY if your connected to your employers wifi could they receive any data from your device. Have to have a connection to receive your packets from whatever your using.

Can my employer see my activity on my personal cell phone using my home WiFi when my work laptop is connected to the same wifi but not logged onto their VPN?

Having your work laptop connected to your Wi-Fi does not give your employer access to anything let alone your personal cell phone.

Can my employer see what websites I visit on WIFI?

If you’re using a company computer (or wifi connection), your employer can not only monitor your work email and projects, but they can log your key strokes, including on “private” sites like Facebook or your personal email account. So there really is no hiding the sites you’re visiting (or how long you spend on them).

Can my employer monitor employee internet activity?

Employers are permitted to monitor employee attendance, computers, active/idle time, internet activities, screen content, emails, keystrokes, and more. That said, laws are governing the extent to which employee monitoring software is used in the workplace.

Can my employer see what I do on my work laptop?

If your employer installed some sniffer software on your work laptop, which intercepts all possible packets, then it can monitor what is happening in your home network. The results can be sent from your work laptop to employer directly via network or later on, when you are in your employers network.

Can my employer see what websites I visit while working from home?

Also your employer might get indirect access to information which advertisement and tracking sites collected about you while you visited sites at home by placing ads targeted to a specific user profile and origin (i.e. the company network) and checking if the ad was served to you.

Can my employer see what I do on company WiFi?

If you are using the company WiFi on your own devices and the employer has no direct control over these devices (i.e. no special software installed, not company managed) then your employer can not directly access your browsing history. But it might be possible to infer some information from what your phone or laptop currently does.

Can my employer see my browsing history on my private phone?

They could either do TLS interception on the work network, and read the browser history as it is synced to the phone. Or they could have some kind of monitoring software installed on the phone that reads it after it is synced. Browsing on your private phone on your home network is less likely to be monitored than browsing on your work phone.