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Which companies use Proofpoint Email Protection?

CipherCue tracks organisations observed running Proofpoint 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.

Europe only All regions

1,367 organisations observed

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

3M
US
Industrials
3m.com
 Show me Locked Locked Locked Locked Locked

See all 1,367 organisations using Proofpoint Email Protection

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

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How this is observed: CipherCue continuously probes the public-facing infrastructure of tracked organisations. Proofpoint 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.