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Defender Security – Malware Scanner, Login Security & Firewall

v6.3.0

by WPMU DEV - Your All-in-One WordPress Platform · updated 1 month ago

WordPress security plugin with malware scanner, IP blocking, audit logs, antivirus scans, firewall, 2FA, brute force login security, and more.

firewalllogin securitymalwaremalware scannersecurity
WordPress.org SaveAnalyze reviews Track this plugin
Rank
#519
No change0 vs yesterday
Active installs (est.)
≈ 85,000
80K+ reported · Medium
Total downloads
4.4M
4,381,107 all-time
Rating
4.8/5
334 reviews
Support resolved
100%
4 of 4 threads, last 2 months
Declining·Downloads -37.7% (30d)·Toward 70K+ · ETA ~15d

Defender Security at a glance

Defender Security is a WordPress plugin by WPMU DEV - Your All-in-One WordPress Platform with 80K+ active installs, the #519 most popular plugin on WordPress.org. On a typical day it’s downloaded about 559 times, 38% fewer than the month before. It’s rated 4.8 out of 5 from 334 reviews. Version 6.3.0 came out on Sep 29, 2026 and is tested up to WordPress 7.1.4. Among the 133 plugins tagged “login security”, it ranks #3. It was first released in 2017.

Chart time range

Applies to every chart below. History from Oct 10, 2026, 30 days.

Showing the last 30 days. Full history comes with any paid plan.See plans

Downloads over time

Download stats

18.8K downloads · the last 30 days

Downloads over time
Defender Security Compare series
Downloads over time: 29 days across 1 series.5001K1.5KOct 10Oct 15Oct 19Oct 24Oct 29Nov 2Nov 7Oct 29, 2026: Tested up to 7.1.4
View as table
DateDefender Security
Nov 7, 2026320
Nov 6, 2026459
Nov 5, 2026527
Nov 4, 2026515
Nov 3, 2026564
Nov 2, 2026605
Nov 1, 2026359
Oct 31, 2026350
Oct 30, 2026679
Oct 29, 2026784
Oct 28, 2026766
Oct 27, 2026732
Oct 26, 2026797
Oct 25, 2026554
Oct 24, 2026452
Oct 23, 2026905
Oct 22, 20261,475
Oct 21, 20261,031
Oct 20, 2026669
Oct 19, 2026739
Oct 18, 2026307
Oct 17, 2026354
Oct 16, 2026634
Oct 15, 2026752
Oct 14, 2026807
Oct 13, 2026854
Oct 12, 2026867
Oct 11, 2026453
Oct 10, 2026498

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 84,784 · +0.3% in the last 30 days

Estimated installs
Estimated installs: 12 days across 1 series.84.4K84.6K84.8KOct 27Oct 29Oct 31Nov 2Nov 4Nov 8Oct 29, 2026: Tested up to 7.1.4
View as table
DateEstimated installs
Nov 8, 202684,784
Nov 7, 202684,682
Nov 5, 202684,812
Nov 4, 202684,708
Nov 3, 202684,577
Nov 2, 202684,575
Nov 1, 202684,449
Oct 31, 202684,604
Oct 30, 202684,536
Oct 29, 202684,597
Oct 28, 202684,414
Oct 27, 202684,547

Rank over time

#519 · up 2 in the last 30 days

Popular rank
Popular rank: 14 days across 1 series.#520#522Oct 16Oct 27Oct 31Nov 4Nov 8Oct 29, 2026: Tested up to 7.1.4
View as table
DateDaily snapshot
Nov 8, 2026#519
Nov 7, 2026#519
Nov 6, 2026#519
Nov 5, 2026#520
Nov 4, 2026#520
Nov 3, 2026#521
Nov 2, 2026#522
Nov 1, 2026#522
Oct 31, 2026#521
Oct 30, 2026#522
Oct 29, 2026#522
Oct 28, 2026#523
Oct 27, 2026#523
Oct 16, 2026#521

Growth %

Average +0.02% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 11 days across 1 series.-0.2%0%0.2%Oct 28Oct 30Nov 1Nov 4Nov 8
View as table
DateGrowth
Nov 8, 2026+0.12%
Nov 7, 2026-0.08%
Nov 5, 2026+0.12%
Nov 4, 2026+0.15%
Nov 3, 2026+0.00%
Nov 2, 2026+0.15%
Nov 1, 2026-0.18%
Oct 31, 2026+0.08%
Oct 30, 2026-0.07%
Oct 29, 2026+0.22%
Oct 28, 2026-0.16%

Active installs band

80K+ on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 14 days across 1 series.80KOct 16Oct 27Oct 31Nov 4Nov 8Oct 29, 2026: Tested up to 7.1.4
View as table
DateDaily snapshot
Nov 8, 202680K+
Nov 7, 202680K+
Nov 6, 202680K+
Nov 5, 202680K+
Nov 4, 202680K+
Nov 3, 202680K+
Nov 2, 202680K+
Nov 1, 202680K+
Oct 31, 202680K+
Oct 30, 202680K+
Oct 29, 202680K+
Oct 28, 202680K+
Oct 27, 202680K+
Oct 16, 202680K+

Search rankings

Where it appears in WordPress.org search for the searches you track, checked every day.

See where Defender Security ranks in search

Track this plugin to check its position for the searches you choose, daily, with an alert when it moves.

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Change log

From our daily snapshot of WordPress.org
  1. Rank #523 → #520Downloads -30%
    • Tested up to 7.1.3 → 7.1.4

Versions in use

Share of active installs on each published version, from WordPress.org.

  • v6.349%
  • v6.29.2%
  • Other42%

Rating trend

4.8★★★★★334 reviews · steady in the last 30 days

Requirements & info

Version history
Version
6.3.0
Requires WordPress
6.4
Tested up to
7.1.4
Requires PHP
8.0.0
First released
Jun 7, 2017
Last updated
Sep 29, 2026
Releases, last 12 months
…

Questions about Defender Security

How many websites use Defender Security?

Defender Security is active on 80K+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #519 most popular plugin on WordPress.org.

How many times has Defender Security been downloaded?

4,381,107 times in total since 2017. On a typical day it’s downloaded about 559 times. See download stats

When was Defender Security last updated?

Version 6.3.0 came out on Sep 29, 2026 (1 month ago). See every release

Is Defender Security compatible with the latest WordPress?

Yes. It’s tested up to WordPress 7.1.4, the current version.

Does Defender Security have known security vulnerabilities?

None that affect the current version. WPVulnerability’s database lists 11 older issues, fixed in earlier versions, so keep Defender Security up to date. See its security record

Is Defender Security still maintained?

Yes. Its last release was 1 month ago. Its authors resolved 4 of the 4 support threads opened in the last two months.

What rating does Defender Security have?

4.8 out of 5 from 334 reviews on WordPress.org. 91% of them give 5 stars.

What are the best alternatives to Defender Security?

The plugins most like Defender Security, by the tags they share, are BulletProof Security (20K+), Wordfence Security (5M+) and All-In-One Security (AIOS) (1M+). Compare all alternatives

Latest reviews

Analyze reviews
All reviews on WordPress.org

Review stats

4.8

★★★★★

334 reviews

  • 5 stars: 305 reviews, 91%
  • 4 stars: 11 reviews, 3%
  • 3 stars: 5 reviews, 1%
  • 2 stars: 5 reviews, 1%
  • 1 stars: 8 reviews, 2%
Positive
95%4–5★
Mixed
1%3★
Critical
4%1–2★
  • About 120 more 5★ reviews would lift it to 4.9.
  • Each new 1★ review takes 19 five-star reviews to balance out.

Compare with competitors

Add up to 1 competitor. No account needed.

Starter · 1 competitor
Defender Security
Suggested:
Metric
Defender Security
Estimated installs≈ 85,000
Reported installs80K+
Rating4.8
Reviews334
Total downloads4.4M
AuthorWPMU DEV - Your All-in-One WordPress Platform
First releasedJun 7, 2017
Version6.3.0
Requires WP6.4
Requires PHP8.0.0
Last updatedSep 29, 2026

Alternatives to Defender Security

Compare all alternatives

Popular plugins with the same tags, the most in common first.

Side by side:Defender Security vs BulletProof SecurityDefender Security vs Wordfence SecurityDefender Security vs All-In-One Security (AIOS)

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