Wordpress sql attack and more security

I tried the wordpress site first, but no replies.
I had a couple of emails this week from WordPress Firewall saying that it had detected and blocked a potential attack; path below with blog address removed.


This obviously was an attack, because I made no changes and I don't know anyone in Belarus!
Now, the firewall stopped this, but is there anymore security I can put in place?
I have an htaccess file in the root of web and root of blog, but in my limited knowledge, is my index.php safe? Do I need to do anymore than have Firewall installed and latest version of WordPress?
I have login lockdown as well.
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Most probably you are face SQL injection attack. Word Press is prone to such attacks but they do fix them in latest releases. So make sure you are on the latest release.

Google it to find more about Wordpress SQL Injection and you will see solution for known issues for various version of Wordpress

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jasonbourneciaAuthor Commented:
Thanks devind, I'll do some more scouting
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