Network Security Audit

Internal and external network penetration testing — including firewall evasion techniques, VLAN hopping, Active Directory exploitation, wireless security assessments, and validation of network segmentation across enterprise environments.
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Why Network Security Assessment Matters

Every organization faces these critical risks. Without proper assessment, these vulnerabilities become attack vectors for adversaries.

Firewall & IDS/IPS Bypass Techniques

Testing firewall rule effectiveness, evasion techniques, protocol tunneling, and fragmentation attacks to validate your perimeter defenses against sophisticated adversaries.

Network Segmentation Failures

VLAN hopping, inter-zone traversal, and microsegmentation bypass. We validate that network boundaries actually prevent lateral movement between security zones.

Wireless Network Exploitation

WPA2/WPA3 attacks, rogue access points, evil twin attacks, and wireless client isolation testing for enterprise Wi-Fi infrastructure.

Active Directory Compromise

Kerberoasting, AS-REP roasting, Pass-the-Hash, Golden/Silver Ticket attacks, and DCSync exploitation - testing the crown jewels of enterprise identity infrastructure.

Man-in-the-Middle Attacks

ARP spoofing, LLMNR/NBT-NS poisoning, DNS hijacking, and WPAD exploitation enabling credential harvesting and traffic interception on internal networks.

Legacy Protocol Vulnerabilities

Telnet, FTP, SMBv1, NTLMv1, and other legacy protocols creating authentication bypass and data interception opportunities across your network.

Assessment Process​

A structured, repeatable methodology delivering consistent, high-quality results across every engagement.

Deep-Dive Coverage - Every Nuance Addressed

Network Security Assessment isn't one-size-fits-all. Different contexts demand different assessment approaches. We go beyond generic checklists to address the specific attack surfaces and risks of each domain.

External Attack Surface Enumeration & Exploitation

A mature network assessment validates what an adversary can really reach from the internet, not just what asset inventories claim exists. The work emphasizes exposed appliances, weak protocols, and management planes that collapse perimeter assumptions

Active Directory & Hybrid Identity Attack Paths

Enterprise network compromise is usually decided by identity architecture, especially where on-premises Active Directory and cloud identity coexist. This domain maps how misconfigurations in Kerberos, PKI, delegation, and synchronization create enterprise-wide blast radius.

Segmentation & East-West Control Validation

Networks often look segmented on diagrams while still permitting broad adversary movement in practice. Testing validates whether VLANs, ACLs, NAC, and routing boundaries actually prevent traversal between business-critical tiers.

Resilience Against Adversary Tradecraft

The objective is not just to find exposed services but to validate how the network withstands realistic post-compromise behavior. This domain measures whether detection and preventive controls meaningfully constrain modern attacker tradecraft.

Learn More About cloud security assessment

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What clients say about our Managed IT Services

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FAQ

We use carefully controlled, non-destructive testing techniques for production environments. For invasive tests, we coordinate timing with your team and can test on staging environments.

Our team holds OSCP, CREST CRT, CEH, CISSP, and CISM certifications. Briskinfosec is CREST-approved for both Vulnerability Assessment and Penetration Testing – the only Indian company with this dual accreditation.

Yes. We include one round of complimentary re-testing within 90 days to validate all findings have been properly remediated. The re-test report is provided through our LURA portal.

You receive a comprehensive report with executive summary, detailed technical findings with CVSS scores, proof-of-concept demonstrations, risk-prioritized remediation guidance, and access to our LURA portal for ongoing tracking.

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