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Best malware scanner plugins for WordPress

The most popular malware scanner plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Security Optimizer leads with 1M+ active installs, ahead of MalCare WordPress Security Plugin (100K+) and Defender Security (80K+). All 85 plugins tagged “malware scanner” 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 10 malware scanner plugins

  1. 1.
    Security Optimizer

    The most installed malware scanner plugin, with 1M+ active installs. Rated 4.5 from 158 reviews, updated 4 days ago.

  2. 2.
    MalCare WordPress Security Plugin

    100K+ active installs. Rated 4.4 from 561 reviews, updated 1 week ago.

  3. 3.
    Defender Security

    80K+ active installs. Rated 4.8 from 334 reviews, updated 1 month ago.

  4. 4.
    BulletProof Security

    20K+ active installs. Rated 4.8 from 674 reviews, updated 2 months ago.

  5. 5.
    Quttera ThreatSign

    10K+ active installs. Rated 3.9 from 47 reviews, updated 3 days ago.

  6. 6.
    Malcure Malware Shield

    10K+ active installs. Rated 4.4 from 74 reviews, updated 3 weeks ago.

  7. 7.
    RSFirewall!

    4K+ active installs. Rated 5.0 from 5 reviews, updated 6 days ago.

  8. 8.
    Virusdie

    2K+ active installs. Rated 4.0 from 9 reviews, updated 2 months ago.

  9. 9.
    WebDefender Security

    1K+ active installs. Rated 4.0 from 18 reviews, updated 9 months ago. Tested only up to WordPress 6.9.11.

  10. 10.
    Atlant Security

    800+ active installs. Rated 5.0 from 8 reviews, updated 3 days ago.

All 85 plugins tagged “malware scanner”