CIPHERCUE

← Technology directory

saas

Which European companies use Microsoft 365 Mail?

CipherCue tracks European organisations (EU27, EFTA, UK, Ukraine) observed running Microsoft 365 Mail on their public infrastructure: detected through HTTP fingerprinting, response headers, and service banners. Sign up free, no credit card, to see the full list.

1,905 European organisations observed

Show me every European organisation using Microsoft 365 Mail. Free, no credit card.

See all 1,905 European organisations using Microsoft 365 Mail

Free, no credit card. Filter and view every European organisation observed running Microsoft 365 Mail, alongside their full tech stack, hosting geography, and observed change history.

Notify me when a new European organisation using Microsoft 365 Mail appears:
How this is observed: CipherCue continuously probes the public-facing infrastructure of tracked organisations. Microsoft 365 Mail 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.
Looking for a sovereign alternative? Browse the European cybersecurity vendor directory.