Penetration Testing Service
Identify real security threats from an attacker's perspective — including hacking, data breaches, and service disruptions — before they happen.
- White-hat hackers attempt infiltration using the same methods as real attackers to detect and verify technical vulnerabilities in your IT assets
- Manual testing uncovers logic flaws and complex vulnerabilities that automated tools often miss
- Provides objective evidence to meet security certification and compliance requirements such as ISMS, CSAP, and ISO27001
- Discovered vulnerabilities are classified by severity with short/mid/long-term improvement roadmaps
Targets
Web Applications
Websites, e-commerce
Admin panels, portals
Mobile Apps
Android / iOS
Hybrid apps
Server / Infrastructure
Linux, Windows
Network devices
Cloud
AWS, Azure, GCP
Container environments
API / Internal Network
REST / GraphQL API
Internal business systems
Social Engineering
Phishing simulations
Insider threat assessment
Testing Standards
International Standards
OWASP TOP 10 (Web/Mobile/API)
CVE / CWE / SANS TOP 25
CERT Secure Coding Standard
PTES (Penetration Testing Execution Standard)
NIST SP 800-115
Korean Standards
Critical Information Infrastructure Vulnerability Assessment
e-Government Web Vulnerability Checklist (21 items)
Electronic Financial Infrastructure Security Vulnerability Criteria
NIS 8 Major Web Security Vulnerabilities
ISMS / CSAP Certification Requirements
Process
1
Pre-engagement Preparation
- Confirm scope and targets
- Agree on schedule and testing method
- Request security device exceptions (WAF, IPS, etc.)
- Sign Non-Disclosure Agreement (NDA)
2
Reconnaissance & Vulnerability Discovery
- Identify attack surface and map target system structure
- Combine automated tools with manual testing
- Analyze penetration paths based on attack scenarios
3
Penetration Testing
- Execute attack scenarios including auth bypass, privilege escalation, and data exfiltration
- Reproduce vulnerabilities and assess impact
- Attempt internal pivoting and lateral movement
4
Result Analysis
- Classify vulnerabilities by severity (Critical / High / Medium / Low)
- Evaluate impact per attack scenario
- Document reproducible Proof of Concept (PoC)
5
Report & Remediation Guidance
- Deliver executive summary + detailed technical report
- Provide remediation guide and code fix recommendations per vulnerability
- Conduct result review meeting with the client team
Expected Benefits
CodeOne's penetration testing service performs technical security assessments on your critical information systems, delivers actionable protection measures against identified threats, and helps reduce the risk of security incidents while elevating your overall security posture.
- Early detection of high-risk vulnerabilities missed by automated tools through real attacker-perspective testing
- Obtain evidence for vulnerability assessments required in ISMS, CSAP, and ISO27001 certification audits
- Minimize incident response costs and brand damage through proactive pre-breach measures
- Prioritize security investments effectively with severity-based improvement roadmaps
- Continuously improve security posture and build resilience against emerging threats through regular assessments
- Support executive decision-making with clear, management-level summary reports