A network's blueprintisn't its security model.

Network Architecture Review reads your topology, segmentation, and identity boundaries against an attacker's reachability, not against the diagram. SecureLayer7 walks the network with your architects, interviews the operators who actually run it, and returns the gaps a documentation review never catches: flat partner VLANs, third-party paths into core, missing east-west controls, BCP failover that re-opens routes.

Network architecture review, three layered shells (PARTNER / DMZ / CORE) with one orange path showing a gap an attacker would chain through, ending at a core node.

Topology + interview

Architecture diagrams reviewed alongside the operators who built them, not in isolation.

Reachability over rulebook

Segmentation, third-party paths, and identity boundaries scored on what an attacker can actually reach.

Findings with fixes

Each gap arrives with the policy, route, or control change that closes it, and a re-walk to verify.

Trusted by security teams across Fintech, SaaS & Education, Enterprise & Telecom, Security & Critical Infrastructure

Airbase
Quiltt
Pacvue
Imagine Learning

On record

  • CREST accredited
  • AICPA SOC 2 Type II
  • ISO/IEC 27001

What we review —

Six surfaces. One review.

Each surface is read off the diagram, then walked with the operators who run it. Findings score on attacker reachability, not on policy compliance alone.

Segmentation & ACLs

VLAN boundaries, firewall rule density, east-west controls, and the segments that have quietly grown flat through years of exception rules.

Third-party & partner integration

VPN tunnels, MPLS hand-offs, SaaS connectors, and the partner-tenant paths that bypass your perimeter via a vendor’s allowlist.

Identity & access boundaries

Active Directory trust direction, RADIUS/TACACS scope, jump-host policy, service-account reachability across segments.

Topology, DMZ & exposure

Internet-facing posture, DMZ tenancy, NAT/PAT semantics, IPv6 dual-stack assumptions, management-plane exposure.

Security technology inventory

Firewalls, IDS/IPS, NDR, segmentation tooling, secrets vaults, EDR coverage map. Each control read for what it sees and what it does not.

Policy, BCP & recovery routes

Failover paths and DR sites tested as live network surface. A clean primary network with a flat DR path is one disaster from being flat-attacked.

Why a documentation review isn't an architecture review

What's drawn is rarely what's reachable.

Network diagrams describe intent. Real networks describe drift, the partner allowlist that became permanent, the management VLAN that someone routed for a vendor, the DMZ tenant that shares a back-channel with core. SecureLayer7 reads the diagram, then walks the running config and the people who maintain it. The gap between what's drawn and what's reachable is where the report lands.

Two columns: documented network on the left as three clean rectangles, the running network on the right as chained lines with one orange exception path landing in the partner segment.
Two columns: documented network on the left as three clean rectangles, the running network on the right as chained lines with one orange exception path landing in the partner segment.

Methodology for architecture review

Three phases. Each closes on evidence.

Documentation, interviews, and reachability tested in sequence. Every claim resolved before the report drafts.

  1. 01
    Information Gathering
  2. 02
    Analysis
  3. 03
    Recommendations

Meet your engagement lead

An engagement lead reads every brief.

Pruthvi Mahesh

Engagement Lead, Network & Architecture Reviews

14+

Years in offensive security

200+

Engagements scoped

99%

On-time delivery rate

Pruthvi scopes architecture-review engagements end to end, translating your topology, segmentation policy, and identity model into the interview agenda, the documents to pull, and the surfaces to test reachability against. He runs the engagement with the SecureLayer7 pod from kick-off through the in-person walkthrough.

  • Scopes segmentation, third-party access, and DMZ tenancy against your real risk model.
  • Owns kick-off, mid-engagement check-ins, and live presentation of every finding.
  • Drives recommendation review and re-walk until each gap closes.
SL7 Lab, Published CVE research
Pruthvi Mahesh, Engagement Lead at SecureLayer7

Ready to scope a Network Architecture Review? Book a 30-minute call with Pruthvi to walk through your topology, segmentation, and timeline.

Adjacent

Beyond the architecture review.

Sample network architecture review report, gap narrative, segmentation evidence, control changes.

Sample engagement report

See what the architecture review puts in your inbox.

Sample report shows the gap narrative, segmentation evidence, control changes recommended, and the order to apply them. Sent on request after a 5-minute scoping call.