Please take a look at Best Security Plugin for WordPress.
WordFence is one of the most popular WordPress security plugins. It keeps on checking your website for malware infection. If scans all the files of your WordPress core, theme and plugins. If it finds any kind of infection, it will notify you. It claims to make your WordPress website 50 times faster and secure. For making your website faster, it uses Falcom caching engine. This plugin is free, but a few advanced features are available for premium users. If you can afford it, do it.
2. BulletProof Security
BulletProof Security is another popular WordPress security plugin that takes care of various things. It adds firewall security, database security, login security and more. It comes with four-click setup interface. Just activate this plugin and then relax. It will take care of your website.
3. Sucuri Security
Sucuri Security is the security plugin for WordPress. This plugin is from the popular website security and auditing company Sucuri. This plugin offers various security features like security activity auditing, file integrity monitoring, malware scanning, blacklist monitoring, and website firewall. It incorporates various blacklist engines including Google Safe Browsing, Sucuri Labs, Norton, McAfee Site Advisor and more to check your website. If there is anything wrong, it will notify you via email.
4. iThemes Security (formerly Better WP Security)
iThemes Security is also a nice WordPress security plugin which claims to offer 30+ ways to secure and protect your WordPress website. With one click installation, you can stop automated attacks and protect your website. it also fixes various common security holes in your website.
5. Acunetix WP SecurityScan
Acunetix WP Security Scan is the WordPress security plugin by Acunetix. Acunetix is a well known company in web application security. It offers a security scanning tool to find vulnerabilities in web applications. This plugin helps you to secure your WordPress website and suggests measures to improve the security. It offers file permission security, version hiding, admin protection, removing WP generator tag from source, and database security.
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