I love this wp plugin, it scans your blog for security issues and checks passwords, database security, file permissions, WordPress version hiding and WP admin protection/security.
WP Security Scan Future Releases
- one-click change file/folder permissions
- test for XSS vulnerabilities
- intrusion detection/prevention
- lock out/log incorrect login attempts
- user enumeration protection
- .htaccess verification
- doc links
Scans your WordPress installation for security vulnerabilities and suggests corrective actions.
Download WP Security Scan WordPress Plugin at wordpress.org