CIPHERCUE

← Technology directory

security

Which companies use Barracuda Email Protection?

CipherCue tracks organisations observed running Barracuda Email Protection on their public infrastructure, detected through HTTP fingerprinting, response headers, and service banners. Sign up free, no credit card, to see the full list.

516 organisations observed

Show me everyone using Barracuda Email Protection. Free, no credit card.

See all 516 organisations using Barracuda Email Protection

Free, no credit card. Filter and view every organisation observed running Barracuda Email Protection, alongside their full tech stack, hosting geography, and observed change history.

Notify me when a new organisation using Barracuda Email Protection appears:
How this is observed: CipherCue continuously probes the public-facing infrastructure of tracked organisations. Barracuda Email Protection 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.