Penetration Testing Services in Taiwan

ThunderShield's OSCP-certified consultants run black-box, white-box, and grey-box penetration tests simulating real APT attack chains. We find exploitable vulnerabilities, validate impact, and deliver prioritized remediation reports — with free retest included.

Testing Approaches & Scope

Depending on your network architecture and the access you provide, penetration testing is conducted using three approaches:

  • Black-box testing: Our team simulates an external attacker's perspective with no prior accounts or architecture information, attacking from the public internet.
  • Grey-box testing: You provide limited access — for example, a VPN connection into an internal network that isn't publicly reachable — simulating an attacker who has already gained an initial foothold. This approach covers deeper risks more efficiently.
  • White-box testing: Our team receives full architecture documentation, source code, or system credentials for the most comprehensive vulnerability assessment.

Beyond network-level testing, we also offer API penetration testing, assessing externally exposed APIs for authentication bypass, broken access control, and data exposure risks, which can be conducted under any of the access models above.

Penetration Testing Process

Professional penetration testing process conducted by OSCP-certified experts

Our penetration testing methodology combines the Penetration Testing Execution Standard (PTES) and the OWASP Testing Guide, covering the complete process from scope definition through to final reporting.

  1. Scope Definition：Define test scope, target systems, and methodology together with your team.
  2. Information Gathering：Collect target intelligence using passive and active reconnaissance.
  3. Vulnerability Scanning：Use automated tools to discover and classify vulnerabilities.
  4. Manual Testing：Perform in-depth manual exploitation and validation.
  5. Report and Recommendations：Provide a detailed report with findings, impact, and remediation guidance.

Compliance Applications

Penetration test reports also serve as required evidence for multiple regulatory and international standards: Taiwan's Cyber Security Management Act audits, ISO 27001:2022 risk assessments, PCI DSS annual testing requirements, and EU CRA technical documentation (see CRA Compliance Services, ISO 27001 Consulting).

Deliverables

Upon completion, you'll receive a comprehensive report including: an executive risk summary with business impact assessment for leadership, detailed technical findings with reproduction steps for your technical team, and remediation priorities ranked by risk level. We provide a free retest after remediation to verify vulnerabilities are properly fixed.

Frequently Asked Questions

What is penetration testing?

Penetration testing is a simulated cyberattack on your systems to identify exploitable vulnerabilities before real attackers do.

How often should penetration testing be performed?

Most organizations should conduct penetration testing at least annually, or after any major system change or security incident — consistent with PCI DSS §11.4.3 and NIST SP 800-115 guidance.

What is the difference between penetration testing and vulnerability scanning?

Vulnerability scanning is automated and identifies known weaknesses. Penetration testing is manual and actively attempts to exploit those weaknesses to assess real-world impact.

Can penetration test reports be used for CRA compliance?

Yes. CRA Annex I Part II item 3 requires effective and regular security testing of the product, and our reports can be delivered in the Annex VII item 6 format to serve as testing evidence in your technical documentation.

Will penetration testing disrupt production systems?

We confirm scope, timing, and off-limits actions with you beforehand, and avoid techniques that could cause service disruption (such as denial-of-service attacks). Higher-risk verification steps require your prior consent and can be scheduled during off-peak hours or against a test environment to minimize impact on production.

How long until I receive the report?

Timing depends on project scope and testing scope. We'll confirm the exact delivery timeline with you before the project begins — please raise any timing requirements during consultation.

Is retesting an extra cost?

No. After remediation, we provide a free retest to verify that reported vulnerabilities have been properly fixed. The scope of the retest follows the project agreement; additional retest rounds or expanded scope can be arranged on request.

Contact ThunderShield for a consultation · View pricing plans