WordPress is now the most popular Blogging Engine, this will not mean an increase attacks, but it will have the highest potential of attacks. WordPress plugins are an easy way to protect a valuable company asset, your site. That includes the content of your website or blog, making up the sum total of your business’s online marketing, communications, branding and even intellectual property.
Here, in this post we’ve compiled a list of 18 best free protection WordPress plugins which can save your content from being stolen and getting copied. If you liked the post, bookmark on Delicious, Digg, StumbleUpon etc to spread the word. We appreciate it! You may be interested in the following posts: Free Masonry WordPress Themes, Contact Form Builder WordPress Widgets and HTML5 Powered Websites Examples.
1. Wordfence Security
Wordfence starts by checking if your site is already infected. We do a deep server-side scan of your source code comparing it to the Official WordPress repository for core, themes and plugins.

2. WP Antivirus Site Protection
WP Antivirus Site Protection is the security plugin to prevent/detect and remove malicious viruses and suspicious codes. It detects: backdoors, rootkits, trojan horses, worms, fraudtools, adware, spyware and etc.

3. BulletProof Security
BulletProof Security uses a one-click setup method vs breaking up options and settings into multiple separate different options and settings. One-click is used figuratively and not literally.

4. Sucuri Security
The Sucuri Security – Auditing, SiteCheck Malware Scanner and Hardening is a security plugin enables you to scan your WordPress site using Sucuri SiteCheck for security and malware issues, and also verifies the security integrity of your core files right in your dashboard.

5. iThemes Security
iThemes Security (formerly Better WP Security) gives you over 30+ ways to secure and protect your WordPress site. Most WordPress admins don’t even know they’re vulnerable, but iThemes Security works to fix common holes, stop automated attacks and strengthen user credentials.

6. NinjaFirewall
NinjaFirewall (WP edition) is a true Web Application Firewall. Although it can be installed and configured just like a plugin, it is a stand-alone firewall that sits in front of WordPress.

7. All In One WP Security & Firewall
WordPress itself is a very secure platform. However, it helps to add some extra security and firewall to your site by using a security plugin that enforces a lot of good security practices.

8. NoMoreCaptchas
Register for free to put an end to those annoying Captcha codes that slow down or even send away your users! NoMoreCaptchas authenticates human beings based on the one thing that can never be faked – their behavior.

9. WordPress Protection
WordPress Protection Plugin provides complete security for your wordpress website, so that the plagiarists could not copy the content and steal data or images from your wordpress site Pages.

10. SX User Name Security
WordPress automaticaly uses “User login” to fill in the “User Display Name”. WordPress also allows everyone to use the same value for Nickname, Display Name and Login.

11. Email Encoder Bundle – Protect Email Address
Encode mailto links, email addresses, phone numbers and any text to hide them from (spam) bots. After activating the plugin all mailto links will be protected automatically. You could use shortcodes or template functions to protect plain email addresses, phone numbers or other text.

12. WP Content Copy Protection
WP Content Copy Protection is a simple, yet aggressive plugin that uses multiple techniques in protecting your content from being stolen. Some of the most common copy methods (via mouse and keyboard), such as right-click, image dragging, image saving, text selection.

13. WP Admin Protection
Everybody knows that it’s easy to access administrators area of WordPress website using standard login page. That makes hacker’s life much easier and your website security weaker.

14. Copyright Footer RSS
An easy way to protect the RSS feed from the theft is possible with this WordPress plugin. You are able to customise the copyright message you will add at the bottom of your feed articles. The copyright message will also be added for your atom feed.

15. Cryptex – E-Mail Address Protection
The Cryptex plugin for WordPress is used to display email addresses – that are normally expressed in plain text – as an image automatically. It works with emails, telephone numbers, postal addresses or any other text-content.

16. 6Scan Security
6Scan Security is the most comprehensive auto-fix protection your WordPress site can get against hackers. Stop hackers before they damage your reputation, steal your data and affect your search ranking by signing up with 6Scan today.

17. Plugin Security Checker
This plugin will warn you if you’re using or installing a knew as vulnerable extension or removed from official repository, a security must have plugin!

18. SmartFilter Security
SmartFilter Security suits the needs of every kind of blogger. It is simple to use but intelligent, giving users the freedom to enhance their blogs without ever having to worry about or even understand security.
