Cloudmark
Cloudmark is a cybersecurity company specializing in Email & Messaging Security, founded in 2001 and headquartered in San Francisco, United States. It has raised $39M in equity across 4 priced rounds, employs about 63 people, and was acquired by Proofpoint in 2017.
updated Oct 11, 2026
Latest Cloudmark news and company activity
What Cloudmark did, dated — selected moves from the record, one per kind, newest first.
- Nov 2017AcquiredProofpoint Completes the Acquisition of Cloudmark
- Oct 2014Product launchCloudmark introduces protection against DNS threats
- Feb 2009Product launchCloudmark Introduces CloudFilter E-Mail Security Solution
5 events tracked since Apr 2006 · selected events shownUnlock the complete Cloudmark timeline
Cloudmark funding
Cloudmark has raised $39M in priced equity. Its most recent round was a Venture Round in February 2010. It has 4 funding rounds on record: Series A, Series B, Series C, and Venture Round. 3 investors are on record, including Summit Partners and FTV Capital.
- Equity raised
- $39M4 priced rounds
- Last round
- Venture RoundFeb 2010
Cloudmark employees and hiring
As of September 2026, Cloudmark has about 63 employees.
- Employees
- 63
- 30-day change
- 0%
- Open roles
- 0
Cloudmark competitors
Competitors of Cloudmark include Netcraft, Anomali, and Cypho. 159 more are in the platform, with overlap scoring.
matched by product category and features
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The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobslive postings, hiring pace, role mix
- Tech stackframeworks, clouds, security
