Unless and until your website is secured enough, it will be in high risk either to get hacked or tackled or even something more. While one definitely considers putting up security measures to protect the site, one can use the available WordPress security plugins for their website.
Wordfence Security
The plugin is a free enterprise class security and performance plugin that makes your site up to 50 times faster and more secure.
BulletProof Security
The plugin lets you protect against 100,000s of different attacks. Moreover it also offers WordPress database backup and protection.
WP Security Audit Log
The plugin identify WordPress issues before they become a security problem by keeping an audit log of users and all of the under the hood WordPress activity.
6Scan Security
The plugin provides comprehensive enterprise-grade security with frequent site scans, powerful firewall, automatic backup, web analytics and much more.
iThemes Security
The plugin gives you over 30+ ways to secure and protect your WordPress site.
All In One WP Security & Firewall
The plugin offers a comprehensive, user-friendly, all in one WordPress security and firewall plugin for your site.
Centrora Security
The plugin protect your WordPress Sites from attacks and hacking. The built-in Malware and Security Scanner helps you identify any security risks, malicious codes, spam, virus, SQL injection, and security vulnerabilities.
Acunetix WP Security
The plugin scans your WordPress installation for security vulnerabilities.
Login Security Solution
The plugin offers a simple way to lock down login security for multisite and regular WordPress installations.
WebsiteDefender WordPress Security
The plugin helps you secure your WordPress installation and provides detailed reporting on discovered vulnerabilities and how to fix them.
Ultimate Security Checker
The plugin helps you identify security problems with your wordpress installation. It scans your blog and gives a security grade based on passed tests.