The strongest Kadence Security alternative for most sites is Really Simple Security, which pairs one-click SSL and hardening with a light footprint that will not slow your site. For deep firewall and malware scanning, Wordfence is the most complete free option, while All-In-One Security (AIOS) bundles broad hardening tools at no cost. We ranked these from our index of 55,000+ WordPress plugins.

Why people switch from Kadence Security

• Sites that mainly need SSL, security headers, and simple hardening move to Really Simple Security for a lighter, faster setup.
• Owners wanting an active firewall and malware scanner move to Wordfence or All-In-One Security (AIOS).
• Sites recovering from a hack, or wanting server-side auditing, move to Sucuri Security.
• Teams needing advanced login and traffic controls without bloat move to WP Cerber Security.

Really Simple Security – SSL and light hardening

Really Simple Security is a security plugin from Really Simple Plugins, known for turning on SSL across a site in a single click. Against Kadence Security, it focuses on the essentials, SSL, security headers, and two-factor login, without the weight of a full suite. The drawback is that it is not a malware scanner or firewall, so a compromised site needs a heavier tool to detect and clean threats.

Choose Really Simple Security if you want fast SSL, headers, and login hardening without a heavy security suite.

Wordfence – Firewall and malware scan

Wordfence is the best-known WordPress security plugin, from Defiant, built around an endpoint firewall and malware scanner. Against Kadence Security, its free tier already includes a web application firewall, deep file scanning, and live traffic monitoring. The drawback is that it runs on your own server, so scans and the firewall can add noticeable load on smaller hosting, and new firewall rules reach free users on a delay.

Choose Wordfence if you want a full firewall and malware scanner and can spare the server resources.

Sucuri Security – Auditing and cleanup

Sucuri Security is the free security plugin from Sucuri, covering activity auditing, integrity monitoring, and malware scanning, backed by the wider Sucuri platform. Against Kadence Security, it excels at post-incident auditing and telling you what changed on the site. The drawback is that the real protective firewall is a paid cloud service, so the free plugin is mostly monitoring rather than active blocking.

Choose Sucuri Security if you want strong security auditing and access to Sucuri’s cloud firewall and cleanup service.

All-In-One Security (AIOS) – Free all-round hardening

All-In-One Security (AIOS) is a free security plugin from Updraft, offering login protection, firewall rules, and dozens of hardening options. Against Kadence Security, it packs a wide grading system and many toggles into a genuinely free plugin. The drawback is that its sheer number of settings can be overwhelming, and enabling aggressive firewall rules without care can break site functionality.

Choose All-In-One Security (AIOS) if you want a broad, free set of hardening and firewall tools and will tune the settings.

wp-cerber – Login and traffic control

WP Cerber Security focuses on locking down logins, limiting attempts, and controlling traffic with custom rules and reputation lists. Against Kadence Security, it offers finer-grained anti-brute-force and access controls that appeal to more technical admins. The drawback is that its distribution moved off the WordPress.org directory, so you install and update it from the developer rather than the usual plugin screen.

Choose wp-cerber if you want granular login and traffic rules and do not mind installing outside the plugin directory.

When to stay on Kadence Security

Stay on Kadence Security if its current mix of two-factor login, password policies, and brute-force protection already covers your needs. As part of the Kadence family it fits neatly with Kadence themes and blocks, and if it is configured and working, the security basics it handles are solid. Switching mainly makes sense when you specifically need a firewall or malware scanner it does not provide.

How we ranked these

Every plugin here is scored by the WPS Score, a single 0 to 10 rating built from 21 signals covering maintenance, support responsiveness, compatibility, performance, and ratings quality across our index of 55,000+ plugins. Rankings are derived from that data, not editorial preference, and no plugin author can pay to change a score. How the WPS Score works.

Frequently asked questions

What is the best free alternative to Kadence Security?

For most sites, Wordfence is the most capable free alternative because its free tier includes a firewall and malware scanner. If you mainly need SSL and login hardening, Really Simple Security is lighter, while All-In-One Security offers a broad set of free hardening tools.

Is Really Simple Security enough on its own?

Really Simple Security handles SSL, security headers, and two-factor authentication well, which covers the basics for many sites. However, it does not scan for malware or run a firewall, so a site that needs threat detection should pair it with, or switch to, Wordfence or Sucuri.

What happened to iThemes Security?

The plugin at this slug has been renamed over the years, from Better WP Security to iThemes Security, then Solid Security, and it is now branded as Kadence Security. It remains a login and hardening plugin rather than a firewall or malware scanner.

The verdict

For most sites the best all-round Kadence Security alternative is Really Simple Security for its light, essentials-first approach, with Wordfence the pick for full firewall and malware scanning and Sucuri Security for auditing and cleanup. If your current setup already covers logins and hardening well, staying on Kadence Security remains a valid choice.