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Security Optimizer – The All-In-One… vs Defender Security – Malware Scanner… (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

Security Optimizer – The All-In-One…

Security Optimizer – The All-In-One…

4.5(153)

1.0M+ active installs

Free

Updated 4 days ago
View Security Optimizer – The All-In-One…
VS
Defender Security – Malware Scanner…

Defender Security – Malware Scanner…

4.8(330)

90K+ active installs

Free + Premium

Updated 1 month ago
View Defender Security – Malware Scanner…

Quick Verdict

As of April 2026, Defender Security – Malware Scanner… has a higher user rating (4.8/5 from 330 reviews) while Security Optimizer – The All-In-One… leads in active installations (1.0M+ vs 90K+). Both are free WordPress plugins. Security Optimizer – The All-In-One… has accumulated 32M+ total downloads while Defender Security – Malware Scanner… has 4.0M+. Defender Security – Malware Scanner… has a higher support resolution rate (100% vs 80%).

Detailed Comparison

Rating
4.5/5Security Optimizer – The All-In-One…
►
Defender Security – Malware Scanner…4.8/5
Total Reviews
153Security Optimizer – The All-In-One…
►
Defender Security – Malware Scanner…330
Active Installs
1.0M+Security Optimizer – The All-In-One…
◄
Defender Security – Malware Scanner…90K+
Total Downloads
32M+Security Optimizer – The All-In-One…
◄
Defender Security – Malware Scanner…4.0M+
Support Resolution
80%Security Optimizer – The All-In-One…
►
Defender Security – Malware Scanner…100%
Last Updated
4 days agoSecurity Optimizer – The All-In-One…
◄
Defender Security – Malware Scanner…1 month ago
First Released
2021Security Optimizer – The All-In-One…
Defender Security – Malware Scanner…2017
Age
5 yearsSecurity Optimizer – The All-In-One…
Defender Security – Malware Scanner…9 years
WP Requires
4.7+Security Optimizer – The All-In-One…
Defender Security – Malware Scanner…6.4+
PHP Requires
7.0+Security Optimizer – The All-In-One…
Defender Security – Malware Scanner…8.0.0+
Business Model
FreeSecurity Optimizer – The All-In-One…
Defender Security – Malware Scanner…Free + Premium
Latest Version
1.6.0Security Optimizer – The All-In-One…
Defender Security – Malware Scanner…5.10.0

Rating Breakdown

Security Optimizer – The All-In-One…

4.5/5(153 reviews)
5
84%
4
3%
3
3%
2
2%
1
8%

Defender Security – Malware Scanner…

4.8/5(330 reviews)
5
91%
4
3%
3
2%
2
2%
1
2%

Recent Reviews

Security Optimizer – The All-In-One… Reviews

by sahara8

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. T

by Apple.WP-Dev

sgs_whitelist_wp_content custom filter doesn’t work

This plugin seems to be designed for SiteGround hosting only. I am using SiteGround, and the plugin works well except for the file whitelisting feature. I applied the sgs_whitelist_wp_content custom f

by dongermibbs

Horrible. Clashes with everything. Breaches GDPR

This plugin has caused nothing but endless problems. It clashes with Elementor and Papal payment plugins. Of course, all Siteground do is blame the other companies, as if their plugin is perfect. W

Defender Security – Malware Scanner… Reviews

by ivanhomecom

Excellent app

Excellent app I recoment

by Mykola Kolos

Defender 5.10.0

After updating to version 5.10.0, it conflicts with Elementor Pro version 3.35.7It causes it to switch to safe mode.Disabling the plugin resolved the issue.The plugin handles security tasks well.

by lwloingo

Very good and secure!

Many attacks have been repelled, and you are well informed about the measures necessary to maintain protection.

Frequently Asked Questions

Is Security Optimizer – The All-In-One… or Defender Security – Malware Scanner… more popular?
Security Optimizer – The All-In-One… has 1.0M+ active installations while Defender Security – Malware Scanner… has 90K+. Security Optimizer – The All-In-One… is the more widely-used plugin as of April 2026.
Which has better ratings — Security Optimizer – The All-In-One… or Defender Security – Malware Scanner…?
Security Optimizer – The All-In-One… has a 4.5/5 rating from 153 reviews, while Defender Security – Malware Scanner… has a 4.8/5 rating from 330 reviews.
Are Security Optimizer – The All-In-One… and Defender Security – Malware Scanner… free?
Security Optimizer – The All-In-One… is free and Defender Security – Malware Scanner… is free + premium. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Security Optimizer – The All-In-One… or Defender Security – Malware Scanner…?
As of April 2026, Security Optimizer – The All-In-One… has a 80% support resolution rate while Defender Security – Malware Scanner… has a 100% rate.
Which plugin is updated more frequently?
Security Optimizer – The All-In-One… was last updated 4 days ago and Defender Security – Malware Scanner… was last updated 1 month ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.