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© 2026 PluginSift. Data sourced from WordPress.org. · [email protected]

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  4. Security Hardener
Security Hardener icon

Security Hardener

Basic hardening: secure headers, login honeypot, user enumeration blocking, generic login errors, rate limiting, and more.

By Marc Armengou·Headers·Free
00
·100 active installs·Updated 2 days ago
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As of April 2026, Security Hardener is a WordPress headers plugin with 100 active installations and a 0/5 rating0. It has been downloaded 891 times in total. Requires WordPress 6.9+ and PHP 8.2+. Available on WordPress.org since 2025. Actively maintained — updated within the last month. Top alternative: Headers Security Advanced & HSTS WP.

0/5Rating
100active installs
891total downloads
1 yearsince 2025

Overview

Security Hardener applies WordPress security best practices based on the WordPress Advanced Administration / Security / Hardening documentation and widely accepted hardening measures. It uses WordPress core functions and follows best practices without modifying core files.

Key Features

File Security:
* Disable file editor in WordPress admin
* Optionally disable all file modifications (blocks updates – use with caution)

XML-RPC Protection:
* Disable XML-RPC completely (enabled by default)
* Remove pingback methods when XML-RPC is enabled

Pingback Protection:
* Disable self-pingbacks
* Remove X-Pingback header
* Block incoming pingbacks

User Enumeration Protection:
* Block /?author=N queries (returns 404)
* Secure REST API user endpoints (require authentication)
* Remove users from XM…

Read full description on WordPress.org

Ratings & Reviews

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

Compatibility

WordPress6.9+ requiredTested up to 6.9.4
PHP8.2+ required

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Frequently Asked Questions

Changelog

2.2.0 – 2026-04-01

  • Added: Login honeypot — a hidden field added to the login form that silently blocks bots before any credential check.
  • Added: Block author feeds — optionally blocks /author/username/feed/ pages that can confirm existing usernames.
  • Added: Disable Application Passwords — disables REST API authentication via Application Passwords; enabled by default.
  • Added: System Status section — replaces the separate File Permissions section; shows file permissions and WP_DEBUG status in a unified table, always visible with with color-coded indicators.
  • Added: Two new items to the hardening checklist — disable display_errors in PHP configuration, and disable WP_DEBUG_DISPLAY on live sites.
View full changelog on WordPress.org

Contributors

Marc ArmengouMarc Armengou
Plugin Info
Version
2.2.0
Last Updated
Apr 2, 2026
WP Requires
6.9+
Tested Up To
6.9.4
PHP Requires
8.2+
Active Installs
100
Downloads
891
Added
Nov 3, 2025
Business
Free

Tags

headerssecurityhardeningbrute forcelogin protection

Developer

M
Marc Armengou
4 plugins0.0M+ total installs
View all plugins →

Quick Compare

Security Hardener vs Headers Security Advanced & HSTS WP→Security Hardener vs WP Hide & Security Enhancer→Security Hardener vs Unique Headers→

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