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Search options questions only not deleted user 5680

This tag is for Joomla-related security questions, and extension/template coding in order to prevent intrusion.

2 votes
1 answer
619 views

How to prevent spam registration?

Every month there are hundreds of malicious users (most of the registering emails are from some Russian domain) registering my site. This is mixed with scores of authentic users. I have already turned …
2 votes
2 answers
30 views

Is there a way to disable "silent" Joomla pages?

For example: index.php?option=com_contact&view=categories&lang=en Perhaps you have never used this contact component and there is no menu item created for it, yet for most Joomla websites you can g …
1 vote
3 answers
209 views

Joomla site hacked. Some visitors see spam content, while others see normally my site's real...

My website address is http://bethelrc.org Google is reporting it may be hacked, when I look at the file system, there are many unauthorized folders and files recently created. I deleted all these mal …
3 votes
2 answers
133 views

How to prevent Joomla's hidden links from being visited?

Some of Joomla's page can be visited even though there isn't any link to it on the site. One of the infamous examples is when some hacker visits the user registration link even though there isn't any …
2 votes
4 answers
443 views

What to do with hacker attempts to guess my Admin Password and login in backend?

In all my Joomla sites, I find too many errors on the Logs/error.log like below: Joomla FAILURE: Username and password do not match or you do not have an account yet. I think this indicates …
5 votes
2 answers
2k views

How did hackers manage to create a new user while "allow user registration" is set to "NO"?

Recently I find a new user is created on my 3.6.0 site and put into "administrator" group, but the "Allow User Registration" option is set to "NO", though the "enabled" and "Activated" status are both …