All In One WP Security & Firewall vs Duo Two-Factor Authentication
Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.
| Feature | All In One WP Security & Firewall v5.4.10 · checked 23 Oct 2026 Free + paid · ★ 4.7/5 Visit Details | Duo Two-Factor Authentication v2.5.7 · checked 23 Oct 2026 Free · ★ 3.7/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 1M+ | 3,000+ |
| Last updated | September 17, 2026 | June 6, 2025 |
| Editions | All-In-One Security (AIOS) · AIOS Premium ($) | Duo Two-Factor Authentication |
| Pros | Two-factor login included in the free version; PHP firewall plus .htaccess 5G and 6G rule sets; Audit log and file change detection with email alerts; Login lockout, renamed login URL and CAPTCHA options | Two-factor login by role, set in the plugin settings; Uses the Duo Security service and its verification methods; Free plugin with no paid edition in the code |
| Cons | Malware scanning and country blocking are Premium only; Many options; some .htaccess rules can break sites if misapplied; Database backup tab relies on UpdraftPlus | Needs a Duo account with integration and secret keys; No firewall, lockout, malware scan or activity log |
| Mentioned in our posts | 1 | 1 |
| Features (Security plugins checklist) | ||
| Firewall | Yes | No |
| Malware scan | Paid | No |
| Login protection | Yes | No |
| Two-factor login | Yes | Yes |
| Activity log | Yes | No |
| Free version | Yes | Yes |
| More features | ||
| Other features | Scheduled file change detection with email alert, Google reCAPTCHA or Cloudflare Turnstile on login, registration and forms, Blocks passwords found in the Have I Been Pwned database, Comment spam protection and spammer IP blocking, Blocks fake Googlebot and Bingbot using published IP ranges, File permission checks and file protection settings, Change the database table prefix, Password tool, WHOIS lookup, custom .htaccess rules, visitor lockout, Tracks logged-in users and login activity | Two-factor login required by role, Duo Web iframe prompt at login, XML-RPC disabled unless allowed, Network admin options on multisite |
| Integrations | ||
| E-commerce | WooCommerce | — |
| Plugins | Contact Form 7, UpdraftPlus | — |
| Other | Google reCAPTCHA, Cloudflare Turnstile, Have I Been Pwned, UpdraftCentral | Duo Security |
| Requires WordPress | 5.0 | 4.1 |
| Requires PHP | 5.6 | — |
| Tested up to | 7.1 | 6.0 |
| Phones home | No | No |
| External services | developers.google.com, www.bing.com, teamupdraft.com, api.pwnedpasswords.com, challenges.cloudflare.com, www.google.com, api.ipify.org, ipecho.net, ident.me, tnedi.me, ip-api.com, ipinfo.io | — |
| Blocks | 1 | — |
| Shortcodes | 1 | — |
| Custom tables | 8 | — |