Defense engineering / Network & systems architecture

Secure the connections
your business needs to keep.

Modernize networks, segment access and strengthen infrastructure with a clear view of the dependencies underneath. SDS carries architecture through migration planning, engineering, validation and recovery—so the design can work in real operations.

Discuss an architecture challenge Next: Retest the defense

Design around the environment

Know what must communicate.
Control how it connects.

Business-critical traffic, identity, security policy and failure modes belong in the same design conversation.

Architecture and segmentation

Review routing, VLANs, firewall policy, remote access and east-west communication. Define trust boundaries that preserve intended business access.

Network and firewall modernization

Plan changes across switching, routing, firewalls and VPNs with coexistence, cutover, configuration validation and rollback considered together.

Infrastructure resilience

Connect compute, storage, identity and applications to capacity, failure domains, backup dependencies and tested recovery paths.

From design to handoff

A plan the engineering
team can execute.

Bring SDS into an independent review, a defined modernization project or a difficult initiative alongside your team and existing providers.

How are production changes handled?

The engagement establishes implementation responsibilities, approvals and change windows. Migration sequencing, acceptance tests and recovery steps are defined around the environment's constraints.

Can you validate existing controls?

Yes. Architecture review can connect to retesting and control validation, so reachable paths and observed defensive behavior inform the design.

Engineering deliverables

Current-state understanding: Dependencies, traffic paths, policy gaps and operating constraints.
Target architecture: Diagrams, trust boundaries, configuration direction and design decisions.
Change and recovery plan: Sequencing, coexistence, validation criteria, cutover and rollback.
Operational handoff: Post-change evidence, runbooks and guidance for the people operating the result.

Next / Retest

The change needs evidence.

Revisit the agreed exposure paths. Verify how the controls respond after the engineering is done.

See how we retest the defense Ready to discuss your environment?