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Home/Case Studies/Discovering 1,000+ Unknown Domains for a Large Public Sector Organization
Attack Surface Management
SecureNexus Perimeter
Large Public Sector Organization

Discovering 1,000+ Unknown Domains for a Large Public Sector Organization

Deployed SecureNexus Perimeter to answer the fundamental question: 'Do we truly know our estate?' Discovered over 1,000 previously unknown internet-facing domains, subdomains, and shadow assets across a sprawling public sector digital footprint.

Key Impact

1,000+ Unknown Domains

The Challenge

What They Were Facing

A large public sector organization with decades of digital projects across multiple departments had no comprehensive view of its internet-facing estate. Shadow IT, decommissioned-but-still-live applications, abandoned subdomains, and forgotten test environments had accumulated into a massive, unmonitored attack surface, creating blind spots that traditional security assessments never covered.

Decades of digital projects across multiple departments with no centralized asset inventory.

Shadow IT, forgotten subdomains, and abandoned applications creating hidden exposure.

Traditional perimeter assessments only covering known, registered assets.

The Solution

How We Solved It

SecureNexus Perimeter was deployed for comprehensive discovery of all internet-facing assets, both known and unknown. The platform identified domains, subdomains, IP addresses, exposed services, and abandoned applications across the organization's entire digital perimeter, correlating findings with threat intelligence for risk-prioritized remediation.

Full Discovery

Domains, subdomains, IPs & exposed services

Shadow IT Detection

Unknown & abandoned asset identification

Risk Prioritization

Threat-intelligence-correlated remediation

Results

Measurable Impact

Quantified outcomes from this engagement.

1,000+ Domains

Previously Unknown Assets

100% Visibility

Complete Estate Discovery

Shadow IT Mapped

Blind Spots Eliminated

1,000+Unknown Domains Found

Over 1,000 previously unknown internet-facing domains and subdomains discovered across departments.

100%Estate Visibility

First-ever complete inventory of the organization's internet-facing digital footprint.

“We thought we knew our estate. Perimeter found over a thousand domains we had no idea existed. Abandoned projects, test environments, shadow IT from years of untracked deployments.”
C

CISO

Large Public Sector Organization

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