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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.

A few organisations observed

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

3M
Industrials US
3m.com
Akamai Technologies Inc.
Technology US
akamai.com
American Express
Financials US
americanexpress.com
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Show me everyone 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.