Work emails can easily contain private data too. I might send an email to my manager asking for time off for deeply personal reasons, or informing them about ve

Work emails can easily contain private data too. I might send an email to my manager asking for time off for deeply personal reasons, or informing them about very personal circumstances (e.g. health). There are of course numerous less impactful examples. An employer monitoring Internet usage is a very different case - in almost all cases it will be fully automated, and the logs only available to HR on request; not just any employee can request your logs.