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Tatum Security

Category: AI in Cybersecurity

A unified Cloud-Native Application Protection Platform (CNAPP) that automates cloud security compliance, posture management, and workload protection for multi-cloud and hybrid environments. Tatum Security was founded in 2020. The company is led by Yang Hyuk-jae. Based in Seoul, South Korea. Team size: 31. Total funding raised: $3.0M. Latest round: Bridge round. Key investors include ["Korea Investment Partners","AhnLab","Hana Ventures","Lighthouse Combined Investment"].

Founded
2020
Headquarters
Seoul, South Korea
Team size
31
Total funding
$3.0M

Value proposition

Minimizes the cloud attack surface by automating the detection and remediation of misconfigurations (99% of cloud breaches) through 'Compliance as Code' (CaC) and real-time governance.

Products and solutions

["Tatum CNAPP (Unified Platform)","Tatum CSPM (Cloud Security Posture Management)","Tatum CWPP (Cloud Workload Protection Platform)","Tatum CIEM (Cloud Infrastructure Entitlement Management)","Automated Compliance Reporting System"]

Unique value

Founder-led expertise (BoB Grand Prix winner) combined with a 'Compliance as Code' (CaC) approach that transforms complex regulatory standards into automated, executable security policies.

Target customer

Tier-1 financial institutions, public sector agencies, and large enterprises undergoing digital transformation with complex cloud compliance requirements.

Industries served

["Financial Services (Banking, Fintech)","Public Sector & Government","Enterprise IT","Cybersecurity"]

Technology advantage

Maintains an 'AI-DNA' driven architecture that provides zero-trust optimized visibility across cross-cloud environments, specifically tailored to meet rigorous South Korean financial and public security standards (CIS, CSA, and domestic regulations).

How they differentiate

Differentiates through 'Compliance as Code' (CaC) specifically tailored for South Korean regulatory frameworks (K-ISMS, CSAP, and Financial Security Institute standards), which global competitors often lack. It provides automated diagnostics and remediation optimized for the domestic public and financial sectors.

Main competitors

["OpsNow Security (Bespin Global)","QueryPie (Chequer)","AhnLab (Cloud Security Services)","Wiz"]

Key partnerships

["AhnLab (Investor & Strategic Security Partner)","Logpresso (Security Operations Partnership)","Unipoint & Goodmit (Technical Distribution & Cloud Integration)","Korea Investment Partners & Hana Ventures (Financial Backers)"]

Notable customers

["KB Kookmin Bank","Shinhan Bank","NH Bank","Major Korean Public Sector Agencies"]

Major milestones

["Founded in July 2020 by CEO Yang Hyuk-jae (BoB Grand Prix winner)","Secured 3.3 Billion KRW Series A in Nov 2022","Achieved reference sites at all top 4 commercial banks in Korea by 2023","Selected as a 'Family Company' by the National Security Research Institute (NSR) in 2024","Launched Tatum CNAPP v3.1.0 and entered Bridge round in 2024"]

Growth metrics

Reporting 3x annual revenue growth (following T2D3 metrics); selected for the 2025 'Ultra-Gap Startup 1000+' project by the Ministry of SMEs and Startups.

Market positioning

Leading domestic specialist in Korea Standard CNAPP (Cloud Native Application Protection Platform), positioned as the go-to solution for high-regulation industries in South Korea.

Geographic focus

Primary focus on the South Korean financial and public sectors; currently expanding into Southeast Asia and global markets with an 'AI-DNA' growth strategy.

Patents and IP

Proprietary Compliance-as-Code (CaC) mapping logic and automated cloud-native diagnosis engines; specific patent registrations maintained as trade secrets or under institutional filing.

About Yang Hyuk-jae

Yang Hyuk-jae is a renowned security expert who rose to prominence after winning the Grand Prix (1st place) in the 8th generation of the 'Best of the Best' (BoB) white-hacker training program hosted by the Korea Institute of Information Technology (KITRI). He founded Tatum Security in 2020 with the mission to automate cloud security compliance, a major bottleneck for digital transformation in regulated industries.

Official website: