Plugin/Compare
Suggest a plugin

Site building

Marketing & growth

Performance

Security

Selling online

WooCommerce

Kadence Security (formerly Solid Security) vs Sucuri Security

Updated 5 Oct 2026. 26 features compared side by side.

Kadence Security (formerly Solid Security)

★★★★★★★★★★ 4.6 (3,992)

Login-focused WordPress security plugin (formerly Solid Security / iThemes Security) with 2FA, brute-force protection and Patchstack virtual patching in Pro.

Free installs700K+
From$299/yr
UpdatedOct 2026
Visit site Full profile
VS

Sucuri Security

★★★★★★★★★★ 4.2 (386)

Free auditing, file integrity and remote scanning plugin from Sucuri that connects to its paid cloud firewall and malware cleanup platform.

Free installs600K+
From$9.99/mo
UpdatedOct 2026
Visit site Full profile

Choose Kadence Security (formerly Solid Security) if…

  • You need passkeys / WebAuthn and password policies
  • You also want auto-update vulnerable plugins
  • You weigh user ratings (4.6 vs 4.2 on WordPress.org)

Choose Sucuri Security if…

  • You need cloud / DNS-level firewall and malware removal
  • You want the more complete feature set (87/100 vs 77/100)

Kadence Security (formerly Solid Security) includes 3 features that Sucuri Security lacks, including Passkeys / WebAuthn, Password policies and Auto-update vulnerable plugins; Sucuri Security has 2 that Kadence Security (formerly Solid Security) lacks, including Cloud / DNS-level firewall and Malware removal. Both include 19 of the 26 features we track. 2 features are not yet verified for one or both plugins.

At a glance

Kadence Security (formerly Solid Security)
Sucuri Security
77/100
Feature score
87/100
23 of 26
Features included
22 of 26
4.6/5
WordPress.org rating
4.2/5
700K+
Active installs
600K+
25%
Support threads resolved
100%

Feature comparison

Click a screenshot to see both plugins side by side.

Feature
Kadence Security (formerly Solid Security)
Sucuri Security
Firewall & blocking5/77/7
Web application firewall KeyFilters malicious requests (SQL injection, XSS and similar) before they reach WordPress.
Kadence Security (formerly Solid Security) Paid version Kadence Pro

Firewall with Patchstack rules and custom request rules is part of Pro.

Sucuri Security Paid version Basic Firewall

Paid Sucuri firewall filters malicious requests; the plugin only connects to it.

Cloud / DNS-level firewallFirewall runs on the vendor's network in front of your server, not inside WordPress.
Kadence Security (formerly Solid Security) Not included

Firewall runs inside WordPress on your server.

Sucuri Security Paid version Basic Firewall

WAF and CDN run on Sucuri's network in front of your host.

Brute-force protection KeyLimits failed logins and locks out attackers guessing passwords.
Kadence Security (formerly Solid Security) Included

Local lockouts plus network-wide brute-force protection in the free plugin.

Sucuri Security Paid version Basic Firewall

Brute-force blocking is a firewall feature; the free plugin only logs failed logins.

Login CAPTCHACAPTCHA or Turnstile on login, registration and password reset forms.
Kadence Security (formerly Solid Security) Paid version Kadence Pro

Pro CAPTCHA on login, registration, reset and comments (reCAPTCHA, hCaptcha, Turnstile).

Sucuri Security Paid version Basic Firewall

Firewall protected pages can add CAPTCHA to login areas.

Rate limiting & bot blockingThrottles or blocks aggressive crawlers and bad bots.
Kadence Security (formerly Solid Security) Not verified

No documented throttling for crawlers or bots found.

Sucuri Security Paid version Basic Firewall

Firewall blocks bad bots and layer 3/4/7 DDoS traffic.

Country blockingBlock or allow traffic by country.
Kadence Security (formerly Solid Security) Partial

Restrict Admin Access by Country limits admin logins only; tier not stated.

Sucuri Security Paid version Basic Firewall

Geo-blocking is part of the cloud WAF.

Real-time IP blocklistBlocks IPs known for attacks using shared threat intelligence.
Kadence Security (formerly Solid Security) Included

Network Brute Force Protection blocks IPs reported across ~1M sites.

Sucuri Security Paid version Basic Firewall

Firewall blocks known malicious traffic using Sucuri signatures and intel.

Scanning & cleanup5/66/6
Malware scanner KeyScans files and database for malware, backdoors and injected code.
Kadence Security (formerly Solid Security) Partial

Site Scan checks Google Safe Browsing; no signature-based file malware scan.

Sucuri Security Partial

Free SiteCheck scans the public site only; server-side scans need a platform plan.

File change detectionCompares core, plugin and theme files with originals and flags changes.
Kadence Security (formerly Solid Security) Partial

File change detection flags modified files; not a full original-file comparison.

Sucuri Security Included

Baseline comparison flags added, modified or removed core, plugin and theme files.

Vulnerability alerts KeyWarns when installed plugins, themes or core have known vulnerabilities.
Kadence Security (formerly Solid Security) Included

Site Scan checks core, plugins and themes for known vulnerabilities.

Sucuri Security Paid version Basic Firewall

Core, plugin and theme vulnerability scans unlock with a firewall API key.

Scheduled scansRuns scans automatically on a schedule.
Kadence Security (formerly Solid Security) Included

Site Scan runs 4x daily free, hourly in Pro.

Sucuri Security Included

Integrity checks and remote scans run automatically; platform plans scan up to every 30 min.

Off-site scanningScans run on the vendor's servers so they don't slow your site.
Kadence Security (formerly Solid Security) Partial

Site Scan is processed through the vendor's scanning service; file checks run locally.

Sucuri Security Included

SiteCheck runs from Sucuri's servers, not your host.

Malware removalOne-click or expert cleanup of infected sites.
Kadence Security (formerly Solid Security) Not included

No malware cleanup tool or service included.

Sucuri Security Paid version Basic Platform

Unlimited manual cleanups by Sucuri analysts on every platform plan.

Login security5/52/5
Two-factor authentication KeySecond login factor via authenticator app, email or similar.
Kadence Security (formerly Solid Security) Included

2FA via authenticator app, email or backup codes in the free plugin.

Sucuri Security Included

Authenticator-app 2FA with one-time backup codes (added in 2.5/2.8).

Passkeys / WebAuthnPasswordless login with passkeys or hardware security keys.
Kadence Security (formerly Solid Security) Paid version Kadence Pro

Passkey (WebAuthn) login requires Pro; not available on multisite.

Sucuri Security Not included

No passkey or hardware-key login.

Password policiesEnforce strong passwords, expiry or breached-password checks.
Kadence Security (formerly Solid Security) Included

Create and enforce password requirements by user group.

Sucuri Security Not included

Offers password resets after a hack, but no password rules.

Custom login URLMove or hide the wp-login.php / wp-admin login page.
Kadence Security (formerly Solid Security) Included

Hide Login URL tool moves the login page.

Sucuri Security Paid version Basic Firewall

Firewall can set unique login URLs and protect login pages.

Session managementView and end active user sessions, limit concurrent logins.
Kadence Security (formerly Solid Security) Partial Kadence Pro

Pro Trusted Devices helps block session hijacking; no full session manager found.

Sucuri Security Not verified

Lists recent logins; ability to end sessions not confirmed.

Hardening5/54/5
One-click hardeningDisable XML-RPC, file editing, user enumeration and similar weak points.
Kadence Security (formerly Solid Security) Included

Advanced tools: change user ID 1, DB prefix, file permissions, salts, wp-config rules.

Sucuri Security Included

Disable file editor and XML-RPC, block PHP in uploads, hide WP version.

SSL / HTTPS toolsEnforce HTTPS, fix mixed content and redirects.
Kadence Security (formerly Solid Security) Included

Free option to enforce SSL across the site.

Sucuri Security Paid version Basic Firewall

SSL certificates are included with firewall/platform plans, not the plugin.

Security headersSet HSTS, CSP, X-Frame-Options and other HTTP security headers.
Kadence Security (formerly Solid Security) Partial

Settings for X-Frame-Options, X-Content-Type-Options, Referrer-Policy and CSP; no HSTS.

Sucuri Security Partial

Can configure CSP (report-only), CORS and Cache-Control headers.

Virtual patchingFirewall rules that block exploits for known plugin vulnerabilities before an update is available.
Kadence Security (formerly Solid Security) Paid version Kadence Pro

Patchstack virtual patching blocks exploits before vendor fixes.

Sucuri Security Paid version Basic Firewall

Firewall applies virtual patches for known software vulnerabilities.

Auto-update vulnerable pluginsAutomatically updates plugins with known vulnerabilities.
Kadence Security (formerly Solid Security) Paid version Kadence Pro

Version Management can auto-update or patch vulnerable software.

Sucuri Security Not included

Does not auto-update vulnerable plugins.

Monitoring & management3/33/3
Activity log KeyRecords logins, changes and admin actions for auditing.
Kadence Security (formerly Solid Security) Paid version Kadence Pro

User logging of logins, plugin, theme and content changes is Pro.

Sucuri Security Included

Searchable audit log of security events, logins and content changes.

Security alertsEmail or app alerts for attacks, lockouts and scan results.
Kadence Security (formerly Solid Security) Included

Security events and lockout notifications; site scan alert emails.

Sucuri Security Included

Customisable email alerts for security events.

Multi-site dashboardManage security for many sites from one dashboard.
Kadence Security (formerly Solid Security) Paid version Kadence Elite

Kadence Central multi-site portal is included in the Elite plan.

Sucuri Security Paid version Basic Platform

Sucuri account dashboard manages scans and firewall for all your sites.

Statuses: Yes Pro Add-on Partial 3rd-party No ?

Pricing compared

Kadence Security (formerly Solid Security) Freemium

Free$0
Kadence Pro$299 per year, Not stated
Kadence Elite$499 per year, Not stated

Sucuri Security Freemium

Free$0
Basic Platform$229 per year, 1 site
Pro Platform$339 per year, 1 site
Business Platform$549 per year, 1 site
Basic Firewall$9.99 per month, 1 site

Downloads trend

Kadence Security (formerly Solid Security)

57,514 downloads last week

Sucuri Security

75,540 downloads last week

Verdict

Based on our feature data Checked 5 Oct 2026

Sucuri Security scores higher on our feature checklist (87/100 against 77/100) and includes cloud / DNS-level firewall and malware removal that Kadence Security (formerly Solid Security) does not. Kadence Security (formerly Solid Security) still has the edge on passkeys / WebAuthn and password policies. Check the features you rely on in the table below before deciding.

Biggest differences

Cloud / DNS-level firewall

Kadence Security (formerly Solid Security): not included. Sucuri Security: paid version (Basic Firewall). WAF and CDN run on Sucuri's network in front of your host.

Malware removal

Kadence Security (formerly Solid Security): not included. Sucuri Security: paid version (Basic Platform). Unlimited manual cleanups by Sucuri analysts on every platform plan.

Passkeys / WebAuthn

Kadence Security (formerly Solid Security): paid version (Kadence Pro). Sucuri Security: not included. Passkey (WebAuthn) login requires Pro; not available on multisite.

Password policies

Kadence Security (formerly Solid Security): included. Sucuri Security: not included. Create and enforce password requirements by user group.

Auto-update vulnerable plugins

Kadence Security (formerly Solid Security): paid version (Kadence Pro). Sucuri Security: not included. Version Management can auto-update or patch vulnerable software.

Written from the feature, pricing and install data on this page, not from hands-on testing. How we compare.

Which would you choose?

0 votes so far. Vote to see the results.

FAQ

Which is better, Kadence Security (formerly Solid Security) or Sucuri Security?

Sucuri Security scores higher on our feature checklist (87/100 against 77/100) and includes cloud / DNS-level firewall and malware removal that Kadence Security (formerly Solid Security) does not. Kadence Security (formerly Solid Security) still has the edge on passkeys / WebAuthn and password policies. Check the features you rely on in the table below before deciding.

Which has more features?

Kadence Security (formerly Solid Security) includes 23 of the 26 features we track, against 22 for Sucuri Security. Feature count is only part of the picture; check which of the differences matter to you.

Is Kadence Security (formerly Solid Security) free?

Kadence Security (formerly Solid Security) has a free version on WordPress.org. Paid plans start at $299/yr.

Is Sucuri Security free?

Sucuri Security has a free version on WordPress.org. Paid plans start at $9.99/mo.

Feature data last changed 5 Oct 2026. Spotted something wrong? Suggest an edit to Kadence Security (formerly Solid Security) or Sucuri Security. Some links are affiliate links. We may earn a commission at no cost to you; it never affects our data or rankings.