CIPHERCUE

← Technology directory

security

Which European companies use Google reCAPTCHA?

CipherCue tracks European organisations (EU27, EFTA, UK, Ukraine) observed running Google reCAPTCHA on their public infrastructure: detected through HTTP fingerprinting, response headers, and service banners. Sign up free, no credit card, to see the full list.

A few European organisations observed

Show me every European organisation using Google reCAPTCHA. Free, no credit card.

Show me every European organisation using Google reCAPTCHA

Free, no credit card. Filter and view every European organisation observed running Google reCAPTCHA, alongside their full tech stack, hosting geography, and observed change history.

How this is observed: CipherCue continuously probes the public-facing infrastructure of tracked organisations. Google reCAPTCHA is detected via HTTP response headers, HTML fingerprints, and TCP service banners. Each observation is timestamped and stored alongside its evidence. See the observation methodology for full detail.