Recently we have seen number of websites being hacked by russian hacker sites redirecting the wordpress url to a russian page. Finding out through our host, it has to do with WordPress and Joomla Installations. They are recommending a few things:
#1 Keep your installation up to date. Hackers have been exploiting security holes in out of date installations. #2 Install a few hacker proof plugins to secure and lock down your site. Please see the list below. #3 Submit your site to websitedefender.com as that is a great resource for notifying you of holes in your security.
WP Security Scan: WP Security Scan checks your WordPress website/blog for security vulnerabilities and suggests corrective actions such as:
Bulletproof Security: WordPress Website Security Protection: BulletProof Security protects your WordPress website against XSS, RFI, CRLF, CSRF, Base64, Code Injection and SQL Injection hacking attempts. One-click .htaccess WordPress security protection. Protects wp-config.php, bb-config.php, php.ini, php5.ini, install.php and readme.html with .htaccess security protection. One-click Website Maintenance Mode (HTTP 503).… By Edward Alexander.