Is there any reasonable security reason for an administrator to prevent modification of locally loaded websites?

As most people know, it is very easy to modify a webpage’s local cached content (HTML, JS) through Inspect Element or various other means.
This could be probably be stopped through something like dynamically rendered AJAX content on a page… Continue reading Is there any reasonable security reason for an administrator to prevent modification of locally loaded websites?

What’s the origin of "A sequence has been discovered that could indicate a hacker attack. Your request can not be processed." error message?

I’m working on a website for client that is setup on Joomla. While testing various forms, I noticed the following message on white background after submitting any of them with various data:

A sequence has been discovered that could indica… Continue reading What’s the origin of "A sequence has been discovered that could indicate a hacker attack. Your request can not be processed." error message?