by SiteGround 4.5 (157 reviews)

Security Optimizer - The All-In-One Protection Plugin

Name: Security Optimizer - The All-In-One Protection Plugin
Rating: 4.5 (157 reviews)
Author: SiteGround

Secure your WordPress site from brute-force attacks, threats, malware, and bots. Free to use and easy to set up.

Security Optimizer ranks #51 among WordPress.org plugins with 1,000,000+ active installations, is #7 of 4,482 in the Security category, a 4.5/5 rating from 157 reviews, and was last updated Aug 28, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Compatible with WP 7.1

v1.6.8 Current Version v1.6.8

Updated 2 weeks ago Last Update on 28 Aug, 2026

Refreshed 7 hours ago Last Refreshed on

#7 of 4,482 in Security Top 1% by installs Downloads -38.7% this week Actively maintained

View on WordPress.org

Rank

#51

— No change

Active Installs

1M+

-30.2%

KW Avg Position

8.6

1.2 worse

Downloads

31.9M

+2,646 today

Support Resolved

100%

— No change

Rating

90%

Review 4.5 out of 5

4.5 (157 reviews)

Next Milestone 2M

Total Progress 43.6%

1M+ 2M+

Ranks to Climb

Growth Needed

8,000,000

Active Installs

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Need 564,103 more installs to reach 2M+

Rank Changes

Current #51

Change

Best #

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Active Installs Growth

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Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

Downloads

Growth

Peak

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Reviews & Ratings

4.5

157 reviews

Overall 90%

131 (83%)

6 (4%)

4 (3%)

3 (2%)

13 (8%)

Support Threads Overview

Resolved

Unresolved

Total Threads

Resolved

Unresolved

100%

Resolution Rate

Security History

Source: WPVulnerability

7 known vulnerabilities on record · 3 in the last 24 months · checked 1 week ago

Aug 6, 2026

Security Optimizer – The All-In-One Protection Plugin [sg-security] < 1.6.5

CVE-2026-13342 · Fixed in v1.6.5
Jul 23, 2026

Security Optimizer – The All-In-One Protection Plugin [sg-security] < 1.6.7

CVE-2026-82228 · Fixed in v1.6.7
Nov 30, 2025

Security Optimizer – The All-In-One Protection Plugin [sg-security] < 1.5.9

CVE-2025-66121 · Fixed in v1.5.9
Jul 19, 2024

Security Optimizer – The All-In-One Protection Plugin [sg-security] < 1.5.1

CVE-2024-38774 · Fixed in v1.5.1
Jan 13, 2023

Security Optimizer – The All-In-One Protection Plugin [sg-security] < 1.3.1

CVE-2023-0234 · Fixed in v1.3.1
Apr 7, 2022

Security Optimizer – The All-In-One Protection Plugin [sg-security] < 1.2.6

CVE-2022-0993 · Fixed in v1.2.6
Apr 6, 2022

Security Optimizer – The All-In-One Protection Plugin [sg-security] < 1.2.6

CVE-2022-0992 · Fixed in v1.2.6

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Plugin Details

Version: 1.6.8
Last Updated: Aug 28, 2026
Requires WP: 4.7+
Tested Up To: 7.1
PHP Version: 7.0 or higher
Author: SiteGround

Support & Rating

Rating: ★ ★ ★ ★ ★ 4.5
Reviews: 157
Support Threads: 2
Resolved: 100%

Keywords

firewall login malware scanner security web application firewall

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TL;DR

AI summary of the plugin's readme

This plugin is for WordPress site owners and administrators who want to protect their site from unauthorized access and attacks. It solves the problem of vulnerability to brute-force attacks, malware, XSS, and other security threats by providing tools to monitor, restrict, and lock down key parts of the site.

Two-Factor Authentication (2FA)
Limit Login Attempts
Custom Login URL
Advanced XSS Protection
Lock and Protect System Folders
Disable Themes & Plugins Editor
Hide WordPress Version
Activity Log

Frequently Asked Questions

Common questions about Security Optimizer - The All-In-One Protection Plugin

Security Optimizer - The All-In-One Protection Plugin has 1,000,000+ active installations on the WordPress.org plugin directory.

Security Optimizer - The All-In-One Protection Plugin holds a 4.5 out of 5 star rating based on 157 user reviews on WordPress.org.

Security Optimizer - The All-In-One Protection Plugin is developed by SiteGround and published on the official WordPress.org plugin repository.

Security Optimizer - The All-In-One Protection Plugin requires WordPress 4.7 or higher, is tested up to WordPress 7.1 and needs PHP 7.0 or newer.

Security Optimizer - The All-In-One Protection Plugin has been downloaded 31,928,555+ times from WordPress.org.

The latest version of Security Optimizer - The All-In-One Protection Plugin is 1.6.8. It was last updated on August 28, 2026.

Yes. Security Optimizer - The All-In-One Protection Plugin is a free WordPress plugin available to download and install from the WordPress.org plugin directory.