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SiteLock Security — WordPress Authentication Plugin

SiteLock Security – WP Hardening, Login Security & Malware Scans

by SiteLock · WordPress.org page · Website

v5.1.2 Tested up to WP 7.0.4 PHP 8.0+

SiteLock Security has 1,000+ active installs on WordPress.org and 53,981 downloads all time. We have tracked it since September 4, 2026; download trends appear after 30 days of data. The last update was on June 23, 2026, tested up to WordPress 7.0.4.

SiteLock Security at a glance

Active installs
1,000+
Total downloads
53,981
Downloads, last 30 days
available after 30 days of tracking
30-day growth
tracking since September 4, 2026

Is SiteLock Security well maintained?

Support threads resolved
No open threads
nothing waiting on the WordPress.org forum
WordPress compatibility
Behind
tested up to WordPress 7.0.4, not yet with the current 7.1
One-star reviews
36%
5 of 14 reviews on WordPress.org

SiteLock Security reviews and ratings

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

3.4 out of 5

14 reviews

5★
8
4★
0
3★
0
2★
1
1★
5

Where SiteLock Security ranks on WordPress.org

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

Ranking WordPress.org placement Position 30 days
Best Authentication Plugins #41 in search, not tagged #80

SiteLock Security alternatives

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

Details

Free, lightweight WordPress security. Harden your site with login protection & 2FA, see Site Health clearly and run on-demand checks—setup in minutes.

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

Rankings SiteLock Security competes in

Tags

  • login security
  • malware scan
  • site health
  • vulnerability scanner
  • wordpress security
Version
5.1.2
Last updated
Jun 23, 2026
First published
May 2, 2013
Requires WordPress
5.6
Tested up to
7.0.4
Requires PHP
8.0
Pricing
Free on WordPress.org

SiteLock Security FAQ

How many active installs does SiteLock Security have?

WordPress.org reports 1,000+ active installs for SiteLock Security as of September 7, 2026.

Is SiteLock Security still maintained?

Yes. The last release was on June 23, 2026 and it is tested up to WordPress 7.0.4.

Is SiteLock Security free?

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

Where does SiteLock Security rank among Authentication Plugins?

SiteLock Security is #80 in the WordPress.org Authentication Plugins ranking.