Penetration Test Services
Within a clearly defined scope, our professional security experts use real-world attack techniques to test websites, APIs, applications, hosts, and cloud environments. We verify whether vulnerabilities are exploitable and translate the findings into actionable, trackable remediation steps.
Finding vulnerabilities doesn't mean stopping attacks
Systems are constantly updated to keep pace with market demand, leading to the rapid expansion of websites, APIs, and cloud services. The problem is that while automated tools can generate a long list of vulnerabilities, they cannot distinguish which ones are actually exploitable by attackers.
Click the flashing + to explore hidden risks one by one.
What is Penetration Test?
Definition
Penetration testing is conducted within a clearly authorized and defined scope to help enterprise clients verify and test the security strength of their internal and external information systems, understand the security threats facing their targets, uncover potential security issues, and provide comprehensive recommendations for security improvements.
Difference from Vulnerability Scanning
Automated vulnerability scanning only lists potential risks and often has high false-positive rates. Penetration testing involves expert manual verification of exploitability, chaining multiple vulnerabilities to reconstruct actual attack paths and prioritizing remediation efforts.
Service Description
The ZUSO Red Team acts as white-hat hackers to launch real-world attacks against actual systems and networks. Using both standard testing tools and proprietary in-house tools, our team simulates real-world attack vectors to breach the organization's specified scope, uncovering exploitable weaknesses and vulnerabilities while attempting to gain unauthorized access.
Services
Host Penetration Testing
Web Penetration Testing
AppPenetration Testing
Other Types of Penetration Testing
Service Process
ZUSO team will work with your organization to define the testing scope and risk boundaries, ensuring that penetration testing covers critical systems under formal authorization and helping your enterprise strengthen its overall information security posture from the outside in.
Scope Definition
Collaboratively confirm testing objectives, system boundaries, account privileges, execution schedules, and emergency contact points, while obtaining formal authorization to ensure all testing is conducted within a legally sanctioned scope.
Pre-assessment Inventory
Gain an understanding of system architecture, functional workflows, API documentation, hosting environments, and critical data flows to establish a foundation for testing priorities.
Vulnerability Assessment
Combining automated scanning with manual testing, we inspect websites, APIs, apps, hosts, network equipment, and cloud environments to identify potential vulnerabilities and misconfigurations.
Vulnerability Verification
Our security experts adopt a hacker's perspective to manually verify if vulnerabilities are exploitable. We attempt to chain multiple vulnerabilities to simulate real-world attack paths, assessing the impact of unauthorized access, sensitive data leaks, or service disruptions.
Report Delivery
We provide a comprehensive report detailing vulnerabilities, risk levels, and remediation recommendations, allowing your technical team to implement fixes directly.
Patch Re-testing
Once you have completed the patches, we will perform re-testing to verify that the vulnerabilities have been effectively resolved, providing a re-test report as the basis for project closure.
System launch or major update pending
Every new feature, update, or system integration can introduce new vulnerabilities; pre-launch verification prevents deploying with known risks. (Common for e-commerce, SaaS, and App development teams)
Extensive external services and a broad attack surface
With numerous websites, APIs, Apps, and cloud services, it is essential to identify which vulnerabilities are truly exploitable. (Common in large enterprises and platform services)
Handling sensitive or payment data
Systems involving member personal data, transactions, or customer information pose significant risks if exploited. (Common in finance, healthcare, and e-commerce)
Requires audit or third-party certification
Provide a technical assessment report as evidence to meet regulatory, launch, or client requirements. (Common for publicly listed companies and regulated industries)
Regular health checks to maintain protection levels
Review system security status at fixed intervals to detect emerging vulnerabilities early. (Suitable for any system in continuous operation)
What are the benefits for your business?
Vulnerability Assessment Report
Provide a comprehensive list of vulnerabilities within the test scope, including risk levels, impact areas, and technical details.
Vulnerability Reproduction and Impact Analysis
Provide reproduction steps and potential attack scenarios to help technical teams quickly understand the issues.
Risk Prioritization Recommendations
Prioritize remediation based on exploitability, impact, and system criticality.
Specific Remediation Guidance
Provide actionable improvement recommendations regarding system configurations, program logic, access controls, and authentication mechanisms.
Retest Verification Results
Verify the effectiveness of patches to reduce the risk of residual vulnerabilities and recurrence.
Executive Summary
Translate technical risks into operational risks to facilitate internal communication, audit responses, and cybersecurity decision-making.
Why choose ZUSO?
Beyond merely listing vulnerabilities, we help organizations verify whether risks are truly exploitable.
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FAQs
Before testing begins, we coordinate with your team to define the scope, schedule, constraints, and emergency contact procedures. We also tailor our testing methods to your specific system requirements to minimize any impact on daily operations.
It depends on the number of systems, the scope of testing, and retesting requirements. A typical engagement for a single system takes about 2–4 weeks, with the actual timeline determined by the environment and the depth of testing required.
Vulnerability scanning primarily uses automated tools to identify known vulnerabilities and configuration issues, whereas penetration testing involves security professionals actively verifying whether those vulnerabilities can be exploited and assessing their potential real-world impact.
Security tools focus on monitoring, protection, and alerting, but they do not necessarily verify whether a system contains exploitable vulnerabilities. Penetration testing provides a third-party attacker perspective, serving as a perfect complement to your existing security tools.
Common scope includes official websites, member platforms, backend management systems, APIs, apps, servers, cloud services, and internal systems. We generally recommend including any systems that handle member data, financial transactions, customer information, or critical business processes.
Yes. ZUSO provides detailed vulnerability descriptions, risk ratings, and remediation recommendations. Once your team has completed the fixes, we can schedule a retest to confirm that the vulnerabilities have been effectively resolved.
Red Team Assessment
Simulate real-world attack behaviors to validate defense, monitoring, and incident response capabilities.
CyberSecurity Consultant
Develop tailored frameworks and strategies for your enterprise environment to build sustainable cybersecurity management capabilities.