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  1. Home
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  4. GuardianKey
GuardianKey icon

GuardianKey

GuardianKey is a service to protect systems in real-time against authentication attacks. It implements GK Auth Security for login protection and GKTin …

By gbernardes·Security·Free
5(1 reviews)
·10 active installs·Updated 1 month ago
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As of April 2026, GuardianKey is a WordPress security plugin with 10 active installations and a 5/5 rating from 1 reviews. It has been downloaded 5.2K+ times in total. Requires WordPress 4.4+ and PHP 5.5+. Available on WordPress.org since 2018. Recently updated within the last 3 months. Top alternative: Wordfence Security – Firewall, Malware….

5/51 reviews
10active installs
5.2K+total downloads
8 yearssince 2018

Overview

GuardianKey is a service to protect systems in real-time against authentication attacks. It implements GK Auth Security for login protection and GKTinc dissuasion challenges, helping detect and block malicious accesses, and notify the legitimate user and the system administrator.

Beyond the security, the GuardianKey solution provides a good user experience, because the user is not required to provide extra information or to execute tasks during the login. When GKTinc is enabled, the challenge runs automatically during login, with server-side validation in the plugin.

GuardianKey’s approach provides a risk assessment in real-time. The events and risks can be explored in the GuardianKey’s administration panel.

How GuardianKey works

The GuardianKey detection engine analyzes the e…

Read full description on WordPress.org

Screenshots

Ratings & Reviews

51 reviews
5 ★
1
4 ★
0
3 ★
0
2 ★
0
1 ★
0

Compatibility

WordPress4.4+ requiredTested up to 6.9.0
PHP5.5+ required

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Frequently Asked Questions

Changelog

5.7

  • Fix JS version
View full changelog on WordPress.org

Contributors

reddhattreddhattgbernardesgbernardes
Plugin Info
Version
5.7
Last Updated
Feb 6, 2026
WP Requires
4.4+
Tested Up To
6.9.0
PHP Requires
5.5+
Active Installs
10
Downloads
5.2K+
Added
Dec 29, 2018
Business
Free

Tags

securityblock hackersauthenticationlogin security

Developer

G
gbernardes
1 plugins0.0M+ total installs
View all plugins →

Quick Compare

GuardianKey vs Wordfence Security – Firewall, Malware…→GuardianKey vs Hostinger Tools→GuardianKey vs Really Simple Security – Simple and…→

Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.