Penetration Testing Services That Show How an Attacker Would Actually Get In
Security tools, policies and audits show what should be protected. A penetration test shows what can actually be exploited. VULNSEE's senior offensive-security team tests your web applications, APIs, cloud environments and networks the way a real attacker would, showing you which weaknesses can be chained into access to the systems and data that matter most.
Every engagement ends with prioritized, business-ready findings, clear remediation guidance and a retest that verifies what has actually been fixed.
A penetration test is a simulated real-world cyberattack that identifies exploitable vulnerabilities across your networks, applications, APIs and cloud environments before malicious actors find them. Organizations need one annually, prior to major releases, during mergers, or to satisfy compliance requirements such as SOC 2, ISO 27001, PCI DSS and customer due diligence.
Passing an Audit Is Not the Same as Being Hard to Breach
Most organizations already invest in firewalls, EDR, identity management and monitoring. The question management, customers, insurers and regulators increasingly ask is different: do these controls hold up when someone actively tries to defeat them?
In practice, breaches rarely start with a single dramatic vulnerability. They start with combinations of ordinary weaknesses: an exposed API, a misconfigured cloud role, a reused password or excessive internal permissions. Together, these flaws create a path to sensitive data.
Firewalls
Rule sets drift over time and exposed services are often forgotten.
EDR/EPP
Detection depends on active configuration, coverage and ongoing tuning rather than initial deployment alone.
IAM
Excessive permissions and weak identity hygiene enable lateral movement.
Monitoring
Alerts only matter if someone sees them and knows what to do.
Real-World Attack Chain
Initial Access
An exposed service, application flaw or phished credential provides a foothold.
Credential Abuse
Stolen or weak credentials open VPN, SaaS or internal access.
Lateral Movement & Privilege Escalation
Excessive permissions let the attacker move from a workstation to servers, cloud consoles or domain admin.
Data Access & Impact
Sensitive databases, backups or business systems are reached, exfiltrated or encrypted.
Attackers Do Not Think in Lists. They Think in Paths.
Automated vulnerability scanners flag isolated issues: a missing header, an outdated library, an unpatched port. But attackers don't need a critical vulnerability to compromise an enterprise.
They chain three medium-severity findings together to achieve administrative compromise. A penetration test is the most direct way to find these compound risks before an attacker does.
Penetration testing answers the questions a scan cannot:
Which weaknesses are actually exploitable in our environment?
How far could an attacker get from the internet, or from one compromised laptop?
Which systems and data are realistically exposed?
Do our detection and response controls notice the activity?
What should be fixed first to break the most dangerous attack paths?
Organizations typically engage us when:
From Isolated Vulnerabilities to Proven Attack Paths
A medium-severity finding in one system may be the missing link that turns a low-risk exposure into full compromise.
VULNSEE testing combines automated reconnaissance with extensive manual testing by experienced testers. Automation maps the attack surface quickly. Manual testing is where business-logic flaws, authorization bypasses, chained exploits and privilege escalation are found: the exact issues scanners consistently miss.
Our methodology is aligned with recognized industry references, including the OWASP Web Security Testing Guide, OWASP API Security Top 10, OWASP MASVS for mobile, PTES and NIST SP 800-115, adapted to the scope and risk of each engagement.
Every finding is validated manually, rated by realistic business impact alongside CVSS scoring, and mapped to the attack path it enables.
Penetration Testing Across Your Real Attack Surface
External Network Penetration Testing
Internet-facing infrastructure, VPN gateways, remote access, exposed services and forgotten assets, tested from an attacker's starting point.
Internal Network & Active Directory Testing
What an attacker or malicious insider can reach from a single compromised endpoint: lateral movement, privilege escalation and Active Directory attack paths.
Web Application Penetration Testing
Authentication, session handling, authorization, business logic, injection, file handling and data exposure in customer-facing and internal applications.
Cloud Security Testing (AWS, Azure, GCP, Microsoft 365)
IAM permissions, misconfigurations, exposed storage, trust relationships and paths from application compromise to cloud control-plane access.
API Penetration Testing
REST and GraphQL APIs tested for broken object- and function-level authorization (BOLA/BFLA), business-logic flaws and unauthenticated access.
Mobile Application Testing (iOS & Android)
Client-side storage, reverse engineering, insecure communication, cryptographic flaws and backend API integration risks.
Types of penetration tests
| Type | What is tested | Typical trigger |
|---|---|---|
| External network | Internet-facing perimeter hosts, exposed services, firewalls, and remote access entry points | Annual security assessment, customer security review, PCI DSS requirement 11, or after an incident |
| Internal network | Internal subnets, Active Directory, domain controllers, lateral movement paths, and segmentation controls | SOC 2 or ISO 27001 audit evidence, merger or acquisition, or annual compliance validation |
| Web application | Web application workflows, authentication, authorization, session handling, input validation, and business logic | Major release, customer security review, or annual verification |
| API | REST and GraphQL endpoints, object- and function-level authorization (BOLA/BFLA), and data exposure | Major API release, enterprise partner integration, or customer security review |
| Cloud (AWS, Azure, GCP configuration and identity) | Cloud infrastructure configuration, IAM permissions, exposed object storage, workload isolation, and identity boundaries | Cloud migration, major architecture modernization, or SOC 2 audit evidence |
| Mobile application | iOS and Android client storage, reverse engineering, cryptography, and backend API communication | Major mobile app release, app store verification, or customer security review |
| Social engineering and phishing | Workforce resilience against targeted email phishing, credential harvesting, voice pretexting, and facility entry | Annual security awareness benchmark, regulatory audit requirement, or customer security review |
Choosing the Right Attacker Perspective
Black Box Testing
Simulates an external attacker with zero prior knowledge. Evaluates external exposure, perimeter vulnerability, and reconnaissance-based discovery.
Gray Box Testing
Simulates an attacker with user credentials or internal access. Evaluates internal movement, privilege escalation, and broken authorization models.
White Box Testing
Full knowledge of architecture, credentials, documentation and source code. Enables deep technical analysis and identification of complex flaws.
Not sure which approach fits? We recommend the right perspective during scoping based on your specific objective: compliance evidence, customer assurance or genuine risk reduction.
From Scoping to Verified Remediation
Scoping & Rules of Engagement
We agree objectives, in-scope assets, testing windows, perspective, emergency contacts and safety limits.
- Scope document.
- Rules of engagement.
- Test plan and timeline.
Reconnaissance & Testing
Attack-surface mapping followed by manual testing and controlled exploitation. Critical issues are reported immediately, not at the end.
- Immediate critical-finding alerts.
- Ongoing status updates.
Analysis & Reporting
Findings are validated, rated by business impact, mapped into attack paths and documented with reproduction steps and remediation guidance.
- Executive summary.
- Technical report.
- Attack-path view.
- Debrief session.
Remediation Support & Retest
We support your teams during remediation and retest the fixed findings to confirm closure.
- Retest report.
- Updated finding status.
- Evidence for auditors and customers.
Important qualification: A penetration test is a time-bound assessment of a defined scope. It significantly reduces uncertainty, but it is not a guarantee that no other vulnerabilities exist.
What You Receive
Every engagement produces decision-ready, audit-ready deliverables designed for both technical engineers and executive leaders:
Executive Summary
Business impact, overall risk posture, critical attack paths, and strategic investment priorities in plain language.
Technical Findings Report
Full technical narrative, severity rating (CVSS v3.1 + business context), reproducible proof-of-concept steps, and exploit evidence.
Remediation Guidance
Concrete, engineer-ready fix recommendations (code samples, configuration changes, architectural mitigations) rather than generic boilerplates.
Attack-Path Diagrams
Clear visualization of how individual vulnerabilities were chained together from initial foothold to sensitive data compromise.
Executive & Engineering Debrief
Interactive presentation walking leadership and technical teams through findings, answering questions, and discussing trade-offs.
Compliance Attestation Letter
Formal, sanitized documentation suitable for enterprise customers, cyber insurers, and auditors (ISO 27001, SOC 2, PCI DSS, DORA).
Included Remediation Retest
Verification testing within 30-60 days to validate that deployed fixes effectively closed the identified vulnerabilities.
Retest Certification Report
Updated report and final letter confirming that identified vulnerabilities have been successfully remediated.
"A penetration test should not end with an unread PDF. Every finding must support an engineering fix, a security decision, or audit evidence that demonstrates real risk reduction."
Penetration Testing for ISO 27001, SOC 2, PCI DSS and DORA
Our reports are structured to serve as evidence for auditors, regulators and customer security reviews, while remaining useful for the teams that need to fix the issues.
ISO/IEC 27001:2022
Supports technical vulnerability management (Annex A 8.8) and security testing in development and acceptance (Annex A 8.29).
SOC 2
Provides evidence supporting the risk-assessment, monitoring and vulnerability-management criteria commonly reviewed by auditors.
PCI DSS v4.0
Supports Requirement 11.4: internal and external penetration testing at least annually and after significant changes, including segmentation testing.
DORA
Supports the digital operational resilience testing program of EU financial entities; threat-led penetration testing (TLPT) applies to entities designated by their competent authority.
Also relevant to NIS2, HIPAA security risk analysis, cyber-insurance requirements and Israeli sector regulators.
Offensive Expertise Connected to Business Risk
Senior-Only Testing Teams
Engagements are led and conducted exclusively by senior offensive-security specialists with deep manual exploitation expertise. We never delegate testing to junior analysts or automated tools.
Attack-Path Validation
We focus on how individual weaknesses combine into dangerous paths, demonstrating real exposure to critical assets rather than handing over raw scanner lists.
No Scanner Noise
Every finding is manually validated to eliminate false positives and rated by practical business risk, rather than theoretical CVSS scores alone.
Retest Included by Design
Every standard engagement includes remediation retesting to verify fixes and provide final audit-ready evidence for customers and auditors.
Frequently Asked Questions
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Find the Attack Paths Before Someone Else Does.
Tell us what you need to test and why: a customer requirement, compliance, a new release or simple uncertainty. We will recommend the right scope, perspective and timeline, and send a written proposal with no obligation.
Free 30-minute call. Reply within one business day. No obligation.
