Tatum Security

Private

SeoulCybersecurityhttps://www.tatumsecurity.com/

Last Round

Series A

Extension

Feb 4, 2026

Est. Valuation

$14.74M

Total Funding Raised

$2.4M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Tatum Security is a cybersecurity company that develops a Cloud Native Application Protection Platform (CNAPP) to provide a secure cloud security foundation.

Sector

Cybersecurity

Verticals

Cloud Security, Application Security, DevOps & Containers, Compliance & Risk, Vulnerability Management

Business Model

B2B

Customer Profile

Subscription SaaS

AI Layer

Application

Keywords

cloud native application protection platformCNAPPcloud security posture managementCSPMcloud workload protection platformCWPPcloud infrastructure entitlement managementCIEMkubernetes securityKSPMcompliance automationvulnerability managementcloud securitymulti-cloud securitycloud security toolsagentic AI security

Historical Pricing

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Caplight Momentum Score

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Tatum Security Comps

Public and private peers based on sector, stage, and business model.

Tatum Security comps — public and private peers by sector, stage, and business model
Company	Status	Est. Valuation	Rev Multiple
OpenAI	Private	$86.0B	~40x
Cohere	Private	$5.0B	--
Competitor 1	Public	$XX.XB	XXx
Competitor 2	Public	$XX.XB	XXx

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Tatum Security Funding Rounds

Historical fundraising activity

Data table
Round	Date	Amount Raised	Valuation	Investors	Sources
Series A Extension	Feb 4, 2026
Series A Extension	Dec 1, 2025
Series A	Nov 1, 2022

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Tatum Security Investors

Notable investors and investment history

Tatum Security investors
Investor	Rounds
Hana Ventures	Series A
Korea Investment Partners	Series A
Samsung Venture Investment	Series A Extension
Samsung Venture Investment	Series A Extension
SJ Investment Partners	Series A Extension

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Market signals

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Mar 18, 2026
Added Nhlife, an insurance company, as a customer.

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Tatum Security Filings

SEC and related filings with document metadata.

Data table
Typed	Date	Amount Offered	Amount Sold	Filling	Pages	Download
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Tatum Security Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersSeoul

Employee Range19

Year Founded2020

Last FundingFeb 4, 2026

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