architecture Advisory & GRC

Security Architecture Review

A Secure Application on an Insecure Architecture Is Still Insecure.

Security architecture review for Indian businesses. Evaluate network design, authentication frameworks, data protection, and cloud architecture against security best practices.

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What Is Security Architecture Review?

Security Architecture Review evaluates your overall technology architecture — network design, application architecture, authentication and authorisation frameworks, data protection mechanisms, cloud infrastructure, and integration points — to identify structural security weaknesses that cannot be found through penetration testing alone.

Penetration testing finds bugs in your code. Architecture review finds flaws in your design. A SQL injection vulnerability is a code bug. But an architecture that routes all database traffic through a single unencrypted channel over a flat network — that is a design flaw that makes every database vulnerability exponentially more dangerous.

For Indian enterprises managing complex environments — multiple applications, cloud and on-premise infrastructure, third-party integrations, and regulatory requirements from RBI, CERT-In, and SEBI — a security architecture review ensures that your overall design supports rather than undermines your security goals.

Why Your Business Needs This

Architectural security flaws are the most expensive to fix and the most impactful when exploited. A network with no segmentation means a single compromised workstation can reach every server. An authentication framework without proper session management means every application inherits the same weakness. A data architecture without encryption at rest means a single storage breach exposes everything.

We regularly find Indian enterprises where applications are individually well-coded but the architecture connecting them is fundamentally insecure — flat networks, shared credentials between services, unencrypted internal communication, single points of failure, and no monitoring at critical boundaries.

These architectural issues typically explain why organisations with good penetration testing results still suffer breaches — the individual components were tested, but the architecture connecting them was not.

What You Get

check_circle Evaluation of network segmentation, trust boundaries, and lateral movement risk
check_circle Authentication and authorisation framework assessment across all applications
check_circle Data protection architecture review — encryption, key management, data classification
check_circle Cloud architecture security assessment — VPC design, IAM, service configurations
check_circle Integration point security — APIs, third-party connections, partner access
check_circle Recommendations aligned with zero-trust architecture principles

Our Approach

Architecture Documentation (Day 1-3): We work with your infrastructure, development, and security teams to document your current architecture — network topology, application components, data flows, authentication mechanisms, and integration points.

Security Assessment (Day 3-8): Systematic evaluation of each architectural layer against security best practices — network segmentation, defence in depth, least privilege, encryption in transit and at rest, logging and monitoring, and resilience.

Gap Analysis (Day 8-10): Identification of structural weaknesses, single points of failure, and architectural decisions that create unnecessary risk. Each gap is assessed for business impact and exploitability.

Recommendations and Roadmap (Day 10-14): Prioritised architectural recommendations with a phased implementation roadmap. We provide both quick wins (implementable in days) and strategic improvements (requiring planned changes over months).

Real Results for Indian Businesses

A banking technology company in Mumbai discovered during our architecture review that their microservices communicated over unencrypted HTTP within their VPC — meaning any compromised service could intercept traffic from all other services. The architectural fix (mutual TLS between services) was implemented over 3 weeks and eliminated an entire class of internal attack vectors.

An insurance company in Pune found that their partner API integration had no rate limiting, no input validation, and used shared API keys for all 15 insurance partners — meaning any partner could access data from all other partners. Our architectural recommendations included per-partner API keys, mutual TLS, and a dedicated API gateway.

A SaaS company in Hyderabad's architecture review revealed that their multi-tenant database used row-level filtering in application code rather than database-level isolation — meaning a bug in any query could expose data across tenants. This finding prevented a potentially business-ending data breach.

Frequently Asked Questions

How is this different from penetration testing?expand_more
Penetration testing finds specific vulnerabilities in running systems. Architecture review evaluates whether your overall design follows security principles — segmentation, defence in depth, least privilege, encryption. An architecture review finds structural weaknesses that make individual vulnerabilities more dangerous.
What documentation do we need?expand_more
Network diagrams, application architecture diagrams, data flow diagrams, and access to your technical team for discussion. If formal documentation does not exist, we can help create it as part of the engagement — which is itself a valuable deliverable.
How often should we do an architecture review?expand_more
At minimum annually, or whenever you make significant changes to your infrastructure — new cloud migrations, major application redesigns, new third-party integrations, or acquisition of another company's technology stack.

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