Protect your WordPress login page with a fun 3×3 puzzle. Users must solve it before they can log in.
Alternatives to SiaraShield
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
A lightweight math CAPTCHA and spam protection plugin for WordPress login, WooCommerce, and Contact Form 7 forms.
Completely free VAPTCHA human verification for WordPress login, registration, password reset, and comments.
SecureGate Captcha Litev1.1.1
Complete site security with Cloudflare Turnstile, Math & Character CAPTCHA. High-performance protection for Login, Registration, and Comment forms.
Redeyed Sentinelv1.0.7
Free CAPTCHA and IP-reputation for WordPress login, registration, lost-password and comments, with a block log. Inert until your keys are set.
Simple Login Captchav1.3.6
Adds a simple 3-digit number captcha on the login form.
Protect your WordPress login and admin area using Cloudflare Turnstile, a modern CAPTCHA alternative.
Protect your pages from bots, scrapers and spam — fully in the background and invisible to visitors. We stop bad visitors before they reach your site.
Protect your WordPress forms from spam and bots with a simple CAPTCHA — without complicated setup, external accounts, or API keys.
POWER CAPTCHAv1.2.8
POWER CAPTCHA protects your WordPress website and WordPress forms against bots and unauthorized persons. GDPR compliant!