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Best web security plugins for WordPress

The most popular web security plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. CloudFilt Bot & Spam Protection leads with 500+ active installs, ahead of SecuSeek (100+) and CyStack Security (10+). All 4 plugins tagged “Web Security” are below, with figures from WordPress.org that update every day.

Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.

Research this niche or see all plugins.

Top 4 web security plugins

  1. 1.
    CloudFilt Bot & Spam Protection

    The most installed web security plugin, with 500+ active installs. Only 4 reviews so far, updated 8 months ago. Tested only up to WordPress 6.9.11.

  2. 2.
    SecuSeek

    100+ active installs. Only 1 review so far, updated 11 months ago. Tested only up to WordPress 6.8.12.

  3. 3.
    CyStack Security

    10+ active installs. No reviews yet, last updated 6 years ago. Tested only up to WordPress 5.5.24.

  4. 4.
    HTTPCS Validation

    Fewer than 10 active installs. No reviews yet, last updated 9 years ago. Tested only up to WordPress 4.8.34.

All 4 plugins tagged “Web Security”