Is it possible for a pinned tab in Chrome to be protected?
Solution 1:
From reading the feature request Locking Pinned Tabs, I would assume that this is not possible in Chrome without extensions.
The thread mentions that extensions exist to achieve this. For example, Lock Tab.
After installation of the extension, you'll see a small lock icon in the address bar:
By clicking it, you'll lock the tab. If you then try to navigate away from it, you'll get the following message:
Additionally, you'll have the option to "freeze" locked pages. This causes any clicked links on a locked tab to be opened in a new tab:
