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Security Optimizer — WordPress Security Plugin

Security Optimizer – The All-In-One Protection Plugin

by SiteGround · WordPress.org page · Website

v1.6.8 Tested up to WP 7.1 PHP 7.0+

Security Optimizer has 1 million+ active installs on WordPress.org and 38,761,032 downloads all time. We have tracked it since September 4, 2026; download trends appear after 30 days of data. The last update was on August 28, 2026, tested up to WordPress 7.1.

Security Optimizer at a glance

Active installs
1 million+
Total downloads
38,761,032
Downloads, last 30 days
available after 30 days of tracking
30-day growth
tracking since September 4, 2026

Is Security Optimizer well maintained?

Support threads resolved
3 of 4
recent threads on the WordPress.org support forum
WordPress compatibility
Current
tested up to WordPress 7.1, the current release is 7.1
Languages
11
translated 90%+ on translate.wordpress.org, 208 locales in progress
One-star reviews
8%
13 of 157 reviews on WordPress.org

Features

The feature list from the plugin's own readme on WordPress.org, trimmed to the essentials.

  • Enable 2FA (Two-Factor Authentication) for an extra layer of website security
  • Set Limit Login Attempts to deter malicious login attempts and brute-force attacks
  • Change your default login URL to Custom Login URL to avoid attacks
  • Activate Advanced XSS Protection to fortify your website against malicious attacks
  • Lock and Protect System Folders to ensure no unauthorized or malicious scripts can be executed in your system folders
  • Disable Themes & Plugins Editor to safeguard your website from unauthorized access via the WordPress editor
  • Hide WordPress Version effortlessly, keeping it hidden from prying eyes
  • Use Activity Log to monitor your site and quickly prevent malicious actions
  • Post-Hack Actions to take immediate actions and prevent further damages

Security Optimizer reviews and ratings

157 reviews on WordPress.org, with the most recent ones as their authors posted them.

4.5 out of 5

157 reviews

5★
131
4★
6
3★
4
2★
3
1★
13
  • Good plugin, wenig DE

    Good plugin, easy to use but unfortunately insufficient German translation. Gutes Plugin, einfach zu bedienen, aber leider unzureichende deutsche Übersetzung. :-( schade

    kryssi79
  • Essential First Install, Now Fully Localized in Arabic!

    On every fresh WordPress installation, Security Optimizer by SiteGround is the first plugin I reach for.I deeply appreciate SiteGround's ongoing dedication to the WordPress ecosystem, most notably their enhancements to WP-CLI. As a token of gratitude for their excellent work, I am excited to contribute back to the community by finalizing the plugin’s localization into Arabic. This update will allow native Arabic speakers to manage their site security with greater ease in their own language.

    Fakhri Azzouz
  • Good plugin

    easy to use

    aikotimmer
  • Works Well on Hostinger VPS

    As a long time user of StiteGround this is always loaded as standard.. Also very pleased to hear it works excellently on a Hostinger VPS I use for testing. Excellent plugin.

    Paul Coughlin
  • Works great

    Easy to install and use. It provides more than login protection, it provides file protection, active logging, disabling file access, change the login url and so on. All whilst being a small non resource hogging solution. Much better and complete than all the small brute force login attempt plugins available that I have tested extensively.

    GregW
  • Good Security Control

    Installed it to improve my site security. The interface is simple, and most features work well. Had to tweak a few settings, but nothing complicated. Overall, pretty useful plugin. tnx devs.

    sahara8

Where Security Optimizer ranks on WordPress.org

The rankings we track that Security Optimizer appears in, and how its position changed over 30 days.

Ranking WordPress.org placement Position 30 days
Best Security Plugins #7 by tag, #8 in search #6
Best Login Plugins #3 by tag, #71 in search #12
Best Authentication Plugins #15 in search, not tagged #33
Best Password Protection Plugins #22 in search, not tagged #40
Best RSS Feed Plugins #39 in search, not tagged #69

Security Optimizer alternatives

Plugins that solve the same problem, ranked by how closely they overlap with Security Optimizer.

Compare Security Optimizer head to head

Details

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

The full description, screenshots and every review live on the WordPress.org page.

Rankings Security Optimizer competes in

Tags

  • firewall
  • login
  • malware scanner
  • security
  • web application firewall

More from SiteGround

Version
1.6.8
Last updated
Aug 28, 2026
First published
May 31, 2021
Requires WordPress
4.7
Tested up to
7.1
Requires PHP
7.0
Pricing
Free on WordPress.org

Security Optimizer FAQ

What does Security Optimizer do?

According to its WordPress.org readme, Security Optimizer offers Enable 2FA (Two-Factor Authentication) for an extra layer of website security, Set Limit Login Attempts to deter malicious login attempts and brute-force attacks, Change your default login URL to Custom Login URL to avoid attacks, Activate Advanced XSS Protection to fortify your website against malicious attacks and Lock and Protect System Folders to ensure no unauthorized or malicious scripts can be executed in your system folders.

How many active installs does Security Optimizer have?

WordPress.org reports 1 million+ active installs for Security Optimizer as of September 7, 2026.

Is Security Optimizer still maintained?

Yes. The last release was on August 28, 2026 and it is tested up to WordPress 7.1.

Does Security Optimizer have good support?

On the WordPress.org forum, 3 of 4 recent support threads for Security Optimizer are marked resolved. That is the developer's free support; a paid version usually comes with its own channel.

Is Security Optimizer free?

Security Optimizer is free to install from WordPress.org. Many plugins also sell a paid version or add-ons.

Where does Security Optimizer rank among Security Plugins?

Security Optimizer is #6 in the WordPress.org "security" ranking as of today.