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Kadence Security – Password, Two Factor Authentication, and Brute Force Protection icon
Actively maintained Tested with WP 7.1 #87 most installed plugin #1 in brute force protection Freemium

Kadence Security – Password, Two Factor Authentication, and Brute Force Protection

Harden your site security with Login Security, Two-Factor Authentication (2FA), Vulnerability Scanner, Firewall, and more. Formerly iThemes Security.

Active installs700K+500K+ tier
Downloads · 30d371K▲ +84.2% vs prev. 30d
Rating4.6/53,990 reviews
Health score85/100Excellent
All-time downloads39.5MSince Oct 2010
Support resolved3 / 1127% in last 2 months
RequiresWP 6.5PHP 7.4+
Overall rank#87of 69,592 plugins
Our verdict

Safe pick

Yes — Kadence Security is a safe, well-maintained plugin to use in 2026. It runs on 700K+ sites, is rated 4.6/5 and was last updated 2 weeks ago, and scores 85/100 on our health check.

  • Proven at scale on 700K+ active sites
  • Loved by users — 4.6/5 from 3,990 reviews
  • Actively developed — last update 2 weeks ago
  • Tested with the latest WordPress (7.1)
  • Momentum — downloads up 84.2% vs the previous 30 days
  • Slow support — only 27% of recent threads resolved

How does it stack up?

Side-by-side on installs, updates, ratings & support

Daily downloads

51.1K102.3K153.4KJun 29Aug 12Sep 26
Yesterday3,824
Daily average (1y)11,746
Peak day204,579Sep 17, 2026
Last 12 months4.3M

Download spikes usually follow a new release — each site that auto-updates counts as a download.

Rankings

Where Kadence Security stands today

WordPress.org search rankings

Live position in the plugin search, top 100
KeywordPositionCompeting pluginsCategory
brute force protection #2 449 Best brute force protection plugins →
malware #17 407 Best malware plugins →
password protection #3 1,574 Best password protection plugins →
security #8 10,000 Best security plugins →
two factor authentication #1 423 Best two factor authentication plugins →

Version adoption

Share of active sites per release.

  • 10.054.9%
  • 9.314.3%
  • 9.410.7%
  • 8.16.3%
  • Other13.8%

Rating breakdown

★★★★★★★★★★ 4.6 from 3,990 reviews

  • 5★85.7%
  • 4★4.4%
  • 3★1.2%
  • 2★1.5%
  • 1★7.2%

About Kadence Security

From the official readme · v10.0.4

Description

Reduce your WordPress website’s risk to nearly zero with Kadence Security

Formerly iThemes Security. Looking for iThemes? Learn more here.

On average, 30,000 websites are hacked every day.* Cyberattacks in the US increased by 57% in 2022.** Bad actors who want to hack your site, steal your data, and cripple your business are a 24/7/365 threat.

You need a proactive, strategic approach to WordPress website security that protects your site from brute force attacks, malware infections, and other cyber threats.

Kadence Security shields your site from cyberattacks and prevents security vulnerabilities. It automatically locks out bad users identified by our Brute Force Protection Network that is nearly 1 million sites strong and leverages your own blacklist. It secures and protects your most commonly attacked part of your WordPress website – user login authentication.

With Patchstack integration (Pro) protects your site before you even have a chance to address vulnerabilities and before a plugin or theme vendor or developer can even issue a patch.

That’s 24/7/365 always-on truly Kadence Security.

🌐 Secure your Website in Minutes

The Kadence Security setup and onboarding experience allows anyone to secure their WordPress website in under 10 minutes, regardless of technical acumen. Knowing that you have enabled all the right security settings for your website will leave you feeling like your site has never been more secure.

📚 Security Site Templates to Fit Your Type of Site

Enabling the correct security settings based on the type of website you are building or maintaining is essential for proper security. An eCommerce site requires a different level of security than a basic blog. Kadence Security Site Templates make it quick and easy to apply the right security settings for your website.

Choose from six different site templates to apply the type of security your site needs:

  1. Ecommerce – websites that sell products or services
  2. Network – websites that connect people or communities
  3. Non-Profit – websites that promote your cause and collect donations
  4. Blog – websites that share your thoughts or start a conversation
  5. Portfolio – websites that showcase your craft
  6. Brochure – simple websites that promote your business

⌚ Real-Time Website Security Dashboard

Every day, lots of activity is happening on your website that you can’t see. Many of these activities can be related to your site’s security, so monitoring these events is vital to keeping your site secure.

The Kadence Security Pro plugin provides a real-time WordPress security dashboard that monitors security-related events on your site around the clock. The Kadence Security Dashboard is a dynamic dashboard with all your WordPress website’s security activity stats in one place, including brute force attacks, banned users, active lockouts, site scan results, and user security stats (Pro).

🗝️ WordPress Login Security

Setting up and maintaining proper WordPress configurations and managing user account access are essential aspects of hardening your site against threats and vulnerabilities. Basic and Pro include features that address both of these factors.

  • Two Factor Authentication (2FA) – Make your WordPress login nearly impenetrable to attack by requiring users to enter a security code along with a password to login. The Kadence Security plugin allows you to add two-factor authentication to your WordPress login with several authentication methods, including mobile apps like Authy and Google Authenticator, email, and backup codes.

  • Password Requirements – Create and enforce a password policy for your users in less than a minute.

  • reCAPTCHA (Pro) – Stop bad bots from engaging in abusive activities on your website, such as attempting to break into your website using compromised passwords, posting spam, or even scraping your content.

  • Passwordless Logins (Pro) – WordPress security made easy. Secure your user accounts with 2fa & strong passwords while allowing real users login with a click of a mouse.

  • Trusted Devices (Pro) – Identify the devices you and other users use to block session hijacking attacks and limit Administrator privileges to Trusted Devices.

  • Automated Vulnerability Patching (Pro) – Kadence Security Pro includes Patchstack which patches vulnerabilities before you have a chance to and applies fixes even before a plugin developer or vendor has issued a patch.

Learn more about how passwordless login is the future and how Kadence Security can help you implement it today.

👨‍👩‍👧‍👦 The Right Amount of Security for Every User Level

Different types of user levels require different levels of security. During the Kadence Security setup process, you can identify your website’s key user groups. Once the different types of users are identified, you can apply the level of security that is just right for each user group.

Here are a couple of examples of how User Groups are useful for securing your site:

  • For Clients – Let’s say you are configuring Kadence Security on a client’s website. You will decide whether or not they are required to use two-factor authentication and if they should have access to the Kadence Security settings.

  • For Customers – If you have an eCommerce website, you will decide whether or not you want to protect customer accounts with a password policy.

Privilege Escalation (Pro) also adds a safe, secure way to grant temporary admin-level access to your website.

🤖 Block Bad Bots & Ban User Agents with Lockouts

  • Ban Users (Basic and Pro) – Permanently block repeat offenders from accessing your site.
    Local Brute Force Protection – Automatically identify and stop the most common method of attack on WordPress sites.

  • Local Brute Force Protection (Basic and Pro) – Automatically identify and stop the most common method of attack on WordPress sites.

  • Network Brute Force Protection (Basic and Pro) – The network is the Kadence Security community and is nearly one million websites strong. If someone tries to break into websites in the Kadence Security community, Kadence Security will block them across the network.

  • Magic Links (Pro) – Security shouldn’t get in your way. Magic Links allow you to log in to your WordPress site while your username is locked out by the Kadence Security Local Brute Force Protection feature.

🔍 Monitor Your Site’s Security Health

  • File Change Detection (Basic and Pro) – Kadence Security logs changes made to your website that can help detect malicious activity on your website.

  • Site Scanner (Basic and Pro) – Schedule checks to run four times per day (Basic) or hourly (Pro) for known vulnerabilities of WordPress core file, plugins and themes. Using the Google Safe Browsing API, the Site Scan also checks your Google’s blocklist status and will alert you if Google has found any malware on your website.

  • Patchstack integration (Pro) – Automated virtual patching of some vulnerabilities before you even have a chance to address them yourself, and before a plugin or theme vendor or developer can even issue a patch.

  • Site Scanner (Pro) – Unlock Version Management to automatically apply a patch to vulnerable software detected by the Site Scan when one is available.

  • User Logging (Pro) – Keep a record of user activity in your WordPress security logs, including login/logout, user registration, adding/removing plugins, switching themes, changes to posts and pages, and more.

  • Version Management (Pro) – The Version Management feature in Kadence Security Pro allows you to auto-update WordPress, plugins, and themes. Beyond that, Version Management also has options to harden your website when you are running outdated software and scan for old websites.

🧠 Smarter, More Actionable Vulnerability Prioritization

Not all vulnerabilities pose the same level of risk, and the traditional Common Vulnerability Scoring System (CVSS) score doesn’t always reflect the realities of running a WordPress site.

Kadence Security now uses the Patchstack Priority score, which goes beyond CVSS to provide a real-world risk assessment tailored to WordPress. It factors in how likely a vulnerability is to be exploited and its actual impact on your site.

With Patchstack Priority, you get a clearer picture of what really matters, helping you focus on the vulnerabilities that pose the greatest risk, and worry less about noise from low-impact issues.

🛠️ Website Security Utilities

  • Enforce SSL – Force all connections to the website to be made over SSL/TLS.

  • Database Backups – Create backups of your WordPress database. (Not a complete backup.)

  • Geolocation (Pro) – Improve Trusted Devices by connecting to an external location or mapping API.

🚀 Advanced Security Tools

  • Identify Server IPs – Prevent issues caused by inadvertently locking out your server IPs.
  • Change User ID 1 – Change the user ID for the first WordPress user, potentially preventing attacks that assume the user with ID1 exists and is an administrator.
  • Change Database Prefix – Change the database prefix that WordPress uses, potentially preventing attacks that assume the database prefix is “wp_”.
  • Check File Permission – See the file and directory permissions of key areas of your site.
  • Server Config Rules – View or flush the server security rules generated by Kadence Security.
  • wp-config.php Rules – View or flush the wp-config.php security rules generated by Kadence Security.
  • Change WordPress Salts – Secure your site after a successful attack by changing the WordPress salts used to secure cookies and security tokens.
  • Hide Login URL – change the login URL of your site, making it harder for bots to find your login page and attack it.

🛟 Need Help?

Free support may be available with the community’s help in the WordPress.org support forums. Our Kadence Security support team provides top-notch technical support to all our Kadence Security Basic users there.

Our Help Center will help you become an iThemes Security expert.

Get additional peace of mind with professional support from our expert team and pro features to take your site’s security to the next level with Kadence Security Pro.

Recover From a Hacked Site

Kadence Security makes regular backups of your WordPress database, allowing you to get back online quickly in the event of a hack or security breach. Use Kadence Security to create and email database backups on a customizable schedule.

For complete site backups and the ability to restore or move WordPress to a new host or domain, check out Solid Backups.

Solid Central Integration

Manage more than one WordPress site? Release lockouts and keep your themes, plugins, and WordPress core up to date from one dashboard with Solid Central.

*Zippia. “30 Crucial Cybersecurity Statistics [2023]: Data, Trends And More” Zippia.com. Jun. 15, 2023, https://www.zippia.com/advice/cybersecurity-statistics/

**https://blog.checkpoint.com/2023/01/05/38-increase-in-2022-global-cyberattacks/

License

Released under the terms of the GNU General Public License.

Frequently asked questions

Why does Kadence Security require the latest WordPress version? Can’t I use a slightly older version?

One of the best security practices for a WordPress site owner is keeping software up to date. Because of this, we only test this plugin on the latest stable version of WordPress and will only guarantee it works in the latest version.

Will this plugin completely stop all attacks on my site?

No. Kadence Security is designed to help improve the security of your WordPress installation from many common attack methods, but it cannot prevent every possible attack. Nothing replaces diligence and good practice. This plugin makes it a little easier for you to apply both.

Is this plugin only for new WordPress installs or can I use it on existing sites, too?

While Kadence Security can be installed on either a new or existing site, we strongly recommend making a complete backup of your existing site before applying any features included in this plugin.

Will this plugin work on all servers and hosts?

Kadence Security requires Apache or LiteSpeed and mod_rewrite or NGINX to work.

What changes does this plugin make that can break my site?

Kadence Security makes significant changes to your database and other site files which can be problematic for existing WordPress sites. Again, we strongly recommended making a complete backup of your site before using this plugin. While problems are rare, most support requests involve the failure to make a proper backup before installation. DISCLAIMER: Under no circumstances do we release this plugin with any warranty, implied or otherwise. We cannot be held responsible for any damage that might arise from the use of this plugin.

Changelog

10.0.2

  • Bug Fix: Handle WP_Error in login interstitial session creation to prevent fatal errors.

10.0.1

  • Bug Fix: Race condition in file write could empty wp-config.php/.htaccess files.

10.0.0

  • Tweak: Updated branding from SolidWP to Kadence.
  • New: QR code for 2FA is generated locally by default (the GD PHP extension is required), with a Kadence Security-hosted solution as a fallback.

9.4.7

  • Bug Fix: Prevent email retry loops by ensuring the scheduled notification properties are saved.

9.4.6

  • Enhancement: Update Patchstack details for existing vulnerabilities.

9.4.5

  • Tweak: Ensure generated Nginx config rules are valid for customized directory structures.

Full changelog on WordPress.org →

Screenshots

Customized onboarding configures your security settings to your needs
Customized onboarding configures your security settings to your needs
Real-Time Security Dashboard
Real-Time Security Dashboard
WordPress Login Security with Two Factor Authentication
WordPress Login Security with Two Factor Authentication
Firewall rules, Block Bad Bots, and Ban User Agents with Lockouts
Firewall rules, Block Bad Bots, and Ban User Agents with Lockouts
Monitor Your Site's Security Health
Monitor Your Site's Security Health
Database backups help you get up and running again when the worst happens
Database backups help you get up and running again when the worst happens
Advanced Security Settings for power users
Advanced Security Settings for power users
Automated vulnerability patching with Patchstack (Pro)
Automated vulnerability patching with Patchstack (Pro)

For developers

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Best Kadence Security alternatives

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FAQ

Kadence Security: quick answers

Straight answers, pulled from live WordPress.org data.

Live data from WordPress.org · checked Sep 27, 2026

Is Kadence Security free?

Yes. Kadence Security is free to download and use from the official WordPress.org plugin directory. The developer also sells premium add-ons or a Pro version with extra features.

Is Kadence Security safe to use in 2026?

Yes — Kadence Security is a safe, well-maintained plugin to use in 2026. It runs on 700K+ sites, is rated 4.6/5 and was last updated 2 weeks ago, and scores 85/100 on our health check.

How many websites use Kadence Security?

Kadence Security is active on 700K+ WordPress websites and has been downloaded 39,498,554 times since it launched in October 2010. It was downloaded 371,001 times in the last 30 days.

Does Kadence Security work with WordPress 7.1?

Yes. The developer has tested Kadence Security up to WordPress 7.1.2, the latest release. It requires WordPress 6.5 or newer.

What PHP version does Kadence Security need?

Kadence Security requires PHP 7.4 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.

When was Kadence Security last updated?

The latest version, 10.0.4, was released on September 16, 2026 (2 weeks ago).

Who makes Kadence Security?

Kadence Security is developed and maintained by Nexcess.

What are the best alternatives to Kadence Security?

The most popular alternatives to Kadence Security are Titan Anti-spam & Security (50K+ installs), Honeypot Toolkit (400+ installs) and Kaya Login Captcha (400+ installs).

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