GuardianKey is a service to protect systems in real-time against authentication attacks. It implements GK Auth Security for login protection and GKTin …
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….
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.
The GuardianKey detection engine analyzes the e…
| WordPress | 4.4+ requiredTested up to 6.9.0 |
| PHP | 5.5+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.