I'm looking for ways to prevent the kind of issues we experienced with SharePoint On-Premise from happening in SharePoint Online. Specifically, I'd like to know what critical steps I can take and what policies I should implement to detect any potential intrusions, even the smallest ones. Also, where can I find more information on these steps and how to put them into practice?
2 Answers
One important thing to consider is that Microsoft manages security for SharePoint Online, which means they handle most of the patches and updates directly. They likely have a Web Application Firewall (WAF) in place to block vulnerabilities before they're even made public. This is something you can count on to an extent, but it's always good to stay vigilant.
The issues with SharePoint On-Premise stemmed from a failure to require passwords, making it super easy for unauthorized access. To avoid similar problems, you should set up proper monitoring to detect any unusual changes in your system. Ideally, you want to avoid situations where an intruder could lay low without being noticed.
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