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: 11-50. Total funding raised: $3.0M+. Latest round: Series A. Key investors include Korea Investment Partners, AhnLab, Hana Ventures, Lighthouse Combined Investment, Samsung Venture Investment, SJ Investment Partners.
- Founded
- 2020
- Headquarters
- Seoul, South Korea
- Team size
- 11-50
- 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 (XDR·CNAPP Security Operations Partnership), ESTsecurity (이스트시큐리티 — CWPP co-development), Samsung SDS (Multi-cloud security monitoring partnership, Jun 2026), Unipoint & Goodmit (Technical Distribution & Cloud Integration), Korea Investment Partners & Hana Ventures (Financial Backers)
Notable customers
KB Kookmin Bank, Shinhan Bank, NH Bank, Woori Bank, Hana Bank, Major Korean financial institutions, Enterprise customers
Major milestones
Founded in July 2020 by CEO Yang Hyuk-jae (BoB Grand Prix winner), Secured ₩3.3B Series A in Nov 2022 (KIP, AhnLab, Hana Ventures, Lighthouse), Achieved reference sites at all five major Korean commercial banks, Selected for 2025 Ultra-Gap Startup 1000+ (MSS), Series A bridge closed late Dec 2025 from Samsung Venture Investment & SJ Investment Partners (announced Feb 2026), Partnership with Samsung SDS for multi-cloud security monitoring (Jun 2026)
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.
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Official website: https://www.tatumsecurity.com/
