Who are SecuLetter's competitors?

PRESENSE Technologies GmbH, Klearis, and Resec are among the closest in Email & Messaging Security. The full competitive set, with overlap scoring, is in the platform.

What products does SecuLetter sell?

SecuLetter sells SecuLetter Content Security Platform.

SecuLetter

Email & Messaging SecuritySeongnam, South Koreafounded 2015public

SecuLetter is a cybersecurity company specializing in Email & Messaging Security, founded in 2015 and headquartered in Seongnam, South Korea. It has raised $16.66M in equity across 4 priced rounds, employs about 17 people, and is publicly traded.

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updated Oct 3, 2026

SecuLetter Momentum score

42/ 100

Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.

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SecuLetter products

SecuLetter Content Security PlatformDetects and removes malicious content from files and URLs via disarm and reconstruction.Details ↗

SecuLetter funding

SecuLetter has raised $16.66M in priced equity. Its most recent round was a Series B in March 2020.

Equity raised: $16.66M4 priced rounds
Last round: Series BMar 2020

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SecuLetter employees and hiring

SecuLetter has about 17 employees.

Employees: 17
30-day change: 0%
Open roles: 0

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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

Similar in Email & Messaging Security

Common questions about SecuLetter.

How much funding has SecuLetter raised?: SecuLetter has raised $16.66M in priced equity. Its most recent round was a Series B in March 2020.
How many people work at SecuLetter?: SecuLetter has about 17 employees.
Who are SecuLetter's competitors?: PRESENSE Technologies GmbH, Klearis, and Resec are among the closest in Email & Messaging Security. The full competitive set, with overlap scoring, is in the platform.
What does SecuLetter do?: SecuLetter is a cybersecurity company specializing in Email & Messaging Security, founded in 2015 and headquartered in Seongnam, South Korea.
What products does SecuLetter sell?: SecuLetter sells SecuLetter Content Security Platform.