Optimize Web Browser Settings
For all browsers: update regularly!
To be on the safe side, use only official websites of the developers/publisher!
Software recommendations from senseful online always link to the publisher.
Avoid Internet Explorer
For security reasons don't use Internet Explorer and also its successor «Edge»! Does not work with some web applications, you can save time for troubleshooting.
By the way: Microsoft Edge, the successor of Internet Explorer, does not support ActiveX, so Microsoft unofficially announced the end of ActiveX technology.
If you cannot do without Internet Explorer or your employer forces you to use it:
Set the security settings in Microsoft Internet Explorer to Medium or better High and disable ActiveX!
Then some «playful» websites are no longer usable, but reputable websites with ActiveX can also be individually enabled in the browser.
The extension «NoScript» makes Firefox very secure (if you use it deliberately)!
Does not use dangerous ActiveX. Very secure: every website (session) runs in its own sandbox!