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All-In-One Security (AIOS) vs Kadence Security (formerly Solid Security)

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

All-In-One Security (AIOS)

★★★★★★★★★★ 4.7 (1,720)

Free WordPress security plugin from TeamUpdraft covering login protection, firewall rules, file checks and an audit log, with a low-cost Premium upgrade.

Free installs1M+
From$89/yr
UpdatedOct 2026
Visit site Full profile
VS

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

Choose All-In-One Security (AIOS) if…

  • You need malware removal
  • You want the lower entry price ($89/yr vs $299/yr)

Choose Kadence Security (formerly Solid Security) if…

  • You need vulnerability alerts and real-time IP blocklist
  • You also want virtual patching and passkeys / WebAuthn
  • You want the more complete feature set (77/100 vs 61/100)

All-In-One Security (AIOS) includes 1 feature that Kadence Security (formerly Solid Security) lacks, including Malware removal; Kadence Security (formerly Solid Security) has 6 that All-In-One Security (AIOS) lacks, including Real-time IP blocklist, Vulnerability alerts and Passkeys / WebAuthn. Both include 15 of the 26 features we track. 3 features are not yet verified for one or both plugins.

At a glance

All-In-One Security (AIOS)
Kadence Security (formerly Solid Security)
61/100
Feature score
77/100
17 of 26
Features included
23 of 26
4.7/5
WordPress.org rating
4.6/5
1M+
Active installs
700K+
43%
Support threads resolved
25%

Feature comparison

Click a screenshot to see both plugins side by side.

Feature
All-In-One Security (AIOS)
Kadence Security (formerly Solid Security)
Firewall & blocking5/75/7
Web application firewall KeyFilters malicious requests (SQL injection, XSS and similar) before they reach WordPress.
All-In-One Security (AIOS) Included

PHP and .htaccess firewall with 6G/8G rules, XSS and XML-RPC protection.

Kadence Security (formerly Solid Security) Paid version Kadence Pro

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

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

All rules run on your own server.

Kadence Security (formerly Solid Security) Not included

Firewall runs inside WordPress on your server.

Brute-force protection KeyLimits failed logins and locks out attackers guessing passwords.
All-In-One Security (AIOS) Included

Limits failed logins with configurable lockouts.

Kadence Security (formerly Solid Security) Included

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

Login CAPTCHACAPTCHA or Turnstile on login, registration and password reset forms.
All-In-One Security (AIOS) Included

Math CAPTCHA, reCAPTCHA or Turnstile on login, registration, reset and more.

Kadence Security (formerly Solid Security) Paid version Kadence Pro

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

Rate limiting & bot blockingThrottles or blocks aggressive crawlers and bad bots.
All-In-One Security (AIOS) Partial

Free blocks fake Googlebots and blank-UA POSTs; Smart 404 bot blocking is Premium.

Kadence Security (formerly Solid Security) Not verified

No documented throttling for crawlers or bots found.

Country blockingBlock or allow traffic by country.
All-In-One Security (AIOS) Paid version Personal

Block countries site-wide or on chosen pages, with IP whitelisting.

Kadence Security (formerly Solid Security) Partial

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

Real-time IP blocklistBlocks IPs known for attacks using shared threat intelligence.
All-In-One Security (AIOS) Not included

Manual IP and user-agent blacklists only; no shared threat-intel feed.

Kadence Security (formerly Solid Security) Included

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

Scanning & cleanup4/65/6
Malware scanner KeyScans files and database for malware, backdoors and injected code.
All-In-One Security (AIOS) Paid version Personal

Automatic malware scans with search-engine blacklist checks.

Kadence Security (formerly Solid Security) Partial

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

File change detectionCompares core, plugin and theme files with originals and flags changes.
All-In-One Security (AIOS) Partial

File change scanner reports changes since the last scan, not against originals.

Kadence Security (formerly Solid Security) Partial

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

Vulnerability alerts KeyWarns when installed plugins, themes or core have known vulnerabilities.
All-In-One Security (AIOS) Not included

No vulnerability database or plugin/theme vulnerability checks.

Kadence Security (formerly Solid Security) Included

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

Scheduled scansRuns scans automatically on a schedule.
All-In-One Security (AIOS) Included

File change scans can be scheduled; Premium malware scans run automatically.

Kadence Security (formerly Solid Security) Included

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

Off-site scanningScans run on the vendor's servers so they don't slow your site.
All-In-One Security (AIOS) Not verified

Could not confirm where Premium malware scans are processed.

Kadence Security (formerly Solid Security) Partial

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

Malware removalOne-click or expert cleanup of infected sites.
All-In-One Security (AIOS) Partial Personal

Premium includes malware removal advice from experts, not a cleanup service.

Kadence Security (formerly Solid Security) Not included

No malware cleanup tool or service included.

Login security4/55/5
Two-factor authentication KeySecond login factor via authenticator app, email or similar.
All-In-One Security (AIOS) Included

TOTP 2FA via Google/Microsoft Authenticator or Authy; advanced options in Premium.

Kadence Security (formerly Solid Security) Included

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

Passkeys / WebAuthnPasswordless login with passkeys or hardware security keys.
All-In-One Security (AIOS) Not included

No passkey or WebAuthn login option.

Kadence Security (formerly Solid Security) Paid version Kadence Pro

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

Password policiesEnforce strong passwords, expiry or breached-password checks.
All-In-One Security (AIOS) Included

Enforce strong passwords and check against Have I Been Pwned.

Kadence Security (formerly Solid Security) Included

Create and enforce password requirements by user group.

Custom login URLMove or hide the wp-login.php / wp-admin login page.
All-In-One Security (AIOS) Included

Rename the login page to a custom slug.

Kadence Security (formerly Solid Security) Included

Hide Login URL tool moves the login page.

Session managementView and end active user sessions, limit concurrent logins.
All-In-One Security (AIOS) Included

View logged-in users, force individual or bulk logout, auto-logout.

Kadence Security (formerly Solid Security) Partial Kadence Pro

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

Hardening2/55/5
One-click hardeningDisable XML-RPC, file editing, user enumeration and similar weak points.
All-In-One Security (AIOS) Included

Disable file editing, XML-RPC, user enumeration; protect sensitive files.

Kadence Security (formerly Solid Security) Included

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

SSL / HTTPS toolsEnforce HTTPS, fix mixed content and redirects.
All-In-One Security (AIOS) Not included

No HTTPS enforcement or mixed-content fixer.

Kadence Security (formerly Solid Security) Included

Free option to enforce SSL across the site.

Security headersSet HSTS, CSP, X-Frame-Options and other HTTP security headers.
All-In-One Security (AIOS) Partial

Limited header protections such as frame blocking; no full header manager.

Kadence Security (formerly Solid Security) Partial

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

Virtual patchingFirewall rules that block exploits for known plugin vulnerabilities before an update is available.
All-In-One Security (AIOS) Not included

Static rule sets only; no rules for specific plugin vulnerabilities.

Kadence Security (formerly Solid Security) Paid version Kadence Pro

Patchstack virtual patching blocks exploits before vendor fixes.

Auto-update vulnerable pluginsAutomatically updates plugins with known vulnerabilities.
All-In-One Security (AIOS) Not included

Does not auto-update vulnerable plugins.

Kadence Security (formerly Solid Security) Paid version Kadence Pro

Version Management can auto-update or patch vulnerable software.

Monitoring & management2/33/3
Activity log KeyRecords logins, changes and admin actions for auditing.
All-In-One Security (AIOS) Included

Audit log of logins, plugin/theme changes and core updates, CSV export.

Kadence Security (formerly Solid Security) Paid version Kadence Pro

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

Security alertsEmail or app alerts for attacks, lockouts and scan results.
All-In-One Security (AIOS) Included

Email notifications for file changes and lockouts; Premium uptime alerts.

Kadence Security (formerly Solid Security) Included

Security events and lockout notifications; site scan alert emails.

Multi-site dashboardManage security for many sites from one dashboard.
All-In-One Security (AIOS) Not verified

No multi-site security dashboard documented.

Kadence Security (formerly Solid Security) Paid version Kadence Elite

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

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

Pricing compared

All-In-One Security (AIOS) Freemium

Free$0
Personal$89 per year, 2 sites
Business$149 per year, 10 sites
Agency$249 per year, 35 sites
Enterprise$349 per year, Unlimited

Kadence Security (formerly Solid Security) Freemium

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

Downloads trend

All-In-One Security (AIOS)

702,766 downloads last week

Kadence Security (formerly Solid Security)

57,514 downloads last week

Verdict

Based on our feature data Checked 5 Oct 2026

Kadence Security (formerly Solid Security) scores higher on our feature checklist (77/100 against 61/100) and includes vulnerability alerts, real-time IP blocklist and virtual patching that All-In-One Security (AIOS) does not. All-In-One Security (AIOS) still has the edge on malware removal. Paid plans start at $89/yr for All-In-One Security (AIOS) and $299/yr for Kadence Security (formerly Solid Security). Check the features you rely on in the table below before deciding.

Biggest differences

Vulnerability alerts

All-In-One Security (AIOS): not included. Kadence Security (formerly Solid Security): included. Site Scan checks core, plugins and themes for known vulnerabilities.

Real-time IP blocklist

All-In-One Security (AIOS): not included. Kadence Security (formerly Solid Security): included. Network Brute Force Protection blocks IPs reported across ~1M sites.

Malware removal

All-In-One Security (AIOS): partial. Kadence Security (formerly Solid Security): not included. Premium includes malware removal advice from experts, not a cleanup service.

Virtual patching

All-In-One Security (AIOS): not included. Kadence Security (formerly Solid Security): paid version (Kadence Pro). Patchstack virtual patching blocks exploits before vendor fixes.

Passkeys / WebAuthn

All-In-One Security (AIOS): not included. Kadence Security (formerly Solid Security): paid version (Kadence Pro). Passkey (WebAuthn) login requires Pro; not available on multisite.

SSL / HTTPS tools

All-In-One Security (AIOS): not included. Kadence Security (formerly Solid Security): included. Free option to enforce SSL across the site.

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

Which would you choose?

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FAQ

Which is better, All-In-One Security (AIOS) or Kadence Security (formerly Solid Security)?

Kadence Security (formerly Solid Security) scores higher on our feature checklist (77/100 against 61/100) and includes vulnerability alerts, real-time IP blocklist and virtual patching that All-In-One Security (AIOS) does not. All-In-One Security (AIOS) still has the edge on malware removal. Paid plans start at $89/yr for All-In-One Security (AIOS) and $299/yr for Kadence Security (formerly Solid Security). 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 17 for All-In-One Security (AIOS). Feature count is only part of the picture; check which of the differences matter to you.

Is All-In-One Security (AIOS) free?

All-In-One Security (AIOS) has a free version on WordPress.org. Paid plans start at $89/yr.

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.

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