WordPress Security Tip: Add Google Authenticator 2-step Verification http://www.wpbeginner.com/plugins/improve-wordpress-security-with-google-authenticator/
Just Say No to Hackers: How to Harden Your WordPress Security | Search Engine Journal http://www.searchenginejournal.com/just-say-no-to-hackers-how-to-harden-your-wordpress-security/63685/
How To Secure Your WordPress Blog and Make It Hacker Proof http://www.johnchow.com/how-to-secure-your-wordpress-blog/
6 Simple WordPress Tweaks to Hack-Proof Your Blog http://www.host1free.com/blog/6-simple-wordpress-tweaks-to-hack-proof-your-blog/