Shield UsSK Shieldus
SK Shieldus
We are committed to delivering meaningful value in everyday life and serving
as a trusted shield to create a safe environment for our customers, society, and all of us.
SK Shieldus'
Core Competencies
SK Shieldus delivers a stronger and smarter security experience through three core pillars.
Technology
Providing innovative products and services enabled
by big tech, including AI/DT, Cloud, and Quantum.
- # AI-driven security solutions
- # Cloud-native services
- # Quantum encryption technology
Platform Connection
Delivering integrated services through seamless
connections across security, security, cloud,
and mobile platforms.
- # Integrated security platform
- # Security
- # Mobile-enabled monitoring
Trustworthy
Ensuring a trusted everyday security experience
through our expertise and long-standing customer trust.
- # 55 years of trusted expertise
- # Security expert group
- # 24/7 customer care and support
From Assessment to Incident Response, Korea's No.1 Cybersecurity Leader, SK Shieldus
As a leading company that has led Korea's cybersecurity industry for over 20 years, SK Shieldus provides an integrated cybersecurity framework that protects the digital assets of the public sector, enterprises, and individuals.
in Cybersecurity Revenue in 2025
Provides end-to-end services spanning consulting, monitoring, solutions, security SI, operations, and management.
The largest customer base.
Delivers cybersecurity services to Korea's largest customer base, serving customers across financial services, manufacturing, telecommunications, and the public sector for both enterprise and government.
cybersecurity experts, the largest team.
Korea's leading cybersecurity experts conduct threat research and analysis, penetration testing, and training.
Key Services
Our end-to-end integrated security, from threat assessment to incident response, proactively addresses evolving threats.

SMB/SME Security
Subscription-based cybersecurity service designed for small and mid-sized businesses with practical solutions that fit their needs.

Vulnerability Assessment & Penetration Testing (VAPT)
Proactive security assessments conducted by Korea's leading security experts using real-world attack scenarios.

Security Monitoring
AI-powered monitoring platform that detects and blocks security threats in real time.

Incident analysis and response
A structured incident response process covering root cause analysis, recovery, and recurrence prevention.

Security Consulting
Korea's leading security consulting service supporting regulatory compliance and the advancement of security frameworks.

Zero Trust Security
Facilitates the transition to next-generation security architecture by implementing Zero Trust principles and technologies.

Cloud Security
Integrated security service for cloud environments covering consulting, deployment, operations, and monitoring.

OT Security
Operational technology security service tailored to industrial environments, designed to ensure continuous operations without disruption.
