Thorough security assessment of your network infrastructure — from perimeter defenses to internal segmentation. I simulate real-world attack scenarios to identify weaknesses in your network architecture, validate security controls, and map lateral movement paths that an adversary could exploit to compromise critical assets.
A holistic approach to network security testing that covers every layer of your infrastructure — from internet-facing assets to internal systems, wireless networks, and identity management platforms.
Comprehensive assessment of your internet-facing infrastructure from an outsider's perspective. I enumerate public-facing assets, test exposed services for known vulnerabilities and misconfigurations, validate firewall rules, and attempt to breach the perimeter using the same techniques employed by advanced threat actors targeting your organization.
Simulating an insider threat or a compromised endpoint scenario, I assess your internal network for privilege escalation opportunities, unpatched systems, misconfigured services, and sensitive data exposure. This reveals the true blast radius of an initial compromise and tests whether your internal defenses can detect and contain lateral movement.
Assessment of your wireless network infrastructure for rogue access points, weak encryption protocols, WPA/WPA2 handshake vulnerabilities, evil twin attack susceptibility, and client isolation failures. I evaluate whether an attacker within radio range could gain unauthorized access to your corporate network through wireless attack vectors.
Validation of firewall rulesets, intrusion detection systems, and intrusion prevention systems to ensure they are correctly configured and effectively blocking malicious traffic. I test for rule bypass techniques, fragmentation attacks, protocol-level evasion, and determine whether your security appliances generate actionable alerts for attack activity.
Testing of network segmentation controls to verify that VLAN boundaries effectively isolate sensitive network segments. I attempt VLAN hopping through switch spoofing, double-tagging attacks, and misconfigured trunk ports to determine whether an attacker could traverse network boundaries and access restricted zones like payment processing or database networks.
Deep assessment of Active Directory environments for Kerberoasting, AS-REP roasting, delegation abuse, GPO misconfigurations, and privilege escalation paths to Domain Admin. I map trust relationships, identify over-privileged accounts, and test for credential harvesting opportunities that could give an attacker complete control over your identity infrastructure.
My network penetration testing methodology mirrors the tactics, techniques, and procedures used by sophisticated threat actors, mapped to the MITRE ATT&CK framework. Each phase is executed with precision and fully documented for reproducibility.
I begin with comprehensive intelligence gathering — OSINT on public-facing assets, DNS enumeration, BGP analysis, WHOIS lookups, and certificate transparency log mining. For internal assessments, I perform passive network sniffing to understand traffic patterns, identify broadcast domains, and map the network topology before any active scanning begins.
Systematic scanning of target IP ranges to identify open ports, running services, and software versions. I use a combination of TCP, UDP, and SYN scans with targeted NSE scripts to fingerprint services, detect operating systems, and identify potential entry points. Every discovered service is catalogued with its version and associated known vulnerabilities.
Correlating discovered services against vulnerability databases to identify exploitable weaknesses. I combine automated vulnerability scanning with manual analysis to assess default credentials, missing patches, protocol weaknesses, and misconfigurations. Each potential vulnerability is validated to confirm exploitability and eliminate false positives before proceeding to exploitation.
Safe exploitation of confirmed vulnerabilities to gain initial access, followed by privilege escalation and lateral movement across the network. I demonstrate the full attack chain — from initial foothold through pivoting across subnets to accessing critical assets. Credential harvesting, pass-the-hash, and relay attacks are used to map the maximum extent of compromise.
Delivery of a comprehensive report with network topology diagrams showing attack paths, CVSS-scored findings, step-by-step exploitation evidence, and a prioritized remediation roadmap. I include both tactical fixes for immediate risk reduction and strategic recommendations for long-term network architecture improvements, with a follow-up retest to validate remediation effectiveness.
I use a battle-tested arsenal of network security tools, each selected for its reliability and depth of analysis, combined with custom scripts for scenarios that demand tailored attack payloads.
Network penetration testing provides critical visibility into the security posture of your infrastructure and validates that your defensive controls are performing as expected against realistic attack scenarios.
Whether you need an external perimeter test, a full internal assessment, or an Active Directory security review, I will tailor the engagement to your infrastructure and threat model. Let's start with a free scoping conversation.
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