BY BUSINESS OBJECTIVE
ASSESS & VALIDATE — FIND WEAKNESSES
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Attack Surface Management

Understand your external attack surface before attackers do

Organisations continuously add cloud services, applications, domains, APIs, and internet-facing infrastructure. Over time, assets can become forgotten, misconfigured, or unmanaged. Digisecuritas helps organisations identify externally exposed assets, maintain visibility across their digital footprint, and support informed risk management through structured Attack Surface Management.

External Exposure Inventory • Continuous Discovery • Independent Validation

Attack Surface — External Exposure Inventory
Assets Discovered
247
Exposed Services
38
Risk Score
6.8
Company
Primary Domains
Subdomains
Public IP Addresses
Cloud Resources
Web Applications
APIs
Email Infrastructure
SSL Certificates
Third-party Exposures
Domains & Subdomains
84
Low
Cloud Resources
62
Medium
Web Applications
47
High
Exposed APIs
54
High
Continuous External VisibilityDigisecuritas
Understanding ASM

What is Attack Surface Management?

Attack Surface Management is the ongoing process of identifying, monitoring, and reviewing internet-facing assets that are associated with an organization.

The objective is to maintain visibility into externally exposed systems, understand how the attack surface changes over time, and support risk-based security decisions before issues develop into larger security concerns.

The core question

What internet-facing assets do we actually own?
Which systems are exposed to the internet?
Which assets have appeared outside governance?
Where has our attack surface changed?
Discovery Scope

What we discover

01

Internet-facing infrastructure

Identify publicly accessible servers, network services, and externally reachable systems that form part of the organization's digital presence.

ServersNetwork ServicesRemote Access PortalsDNS Infrastructure
Web ServerVPN GatewayMail ServerDNSLoad BalancerCDN Edge
External Boundary
company.com
api.company.com
portal.company.com
legacy.company.comReview
dev.company.com
02

Domains and subdomains

Review known domains and discover publicly accessible subdomains that may require governance or review.

Primary DomainsSubdomainsDNS RecordsRegistrar Information
03

Cloud assets

Assess externally visible cloud workloads and services that contribute to the organization's external footprint.

Cloud WorkloadsStorage ServicesCloud APIsExposed Configurations
Storage Buckets
Functions
Databases
Containers
Cloud Footprint
C
Customer Portal
A
Admin Dashboard
P
Partner API
P
Public Website
04

Web applications

Catalog externally accessible applications and portals that may require ongoing security oversight.

Customer PortalsAdmin InterfacesPartner ApplicationsPublic APIs
05

APIs

Identify publicly exposed application programming interfaces that are reachable through the internet.

REST APIsGraphQL EndpointsWebhook ReceiversDeveloper Portals
GET/api/v1/users
POST/api/v2/auth
GET/graphql
GET/api/v1/data
CertificateExpiry
company.comValid
api.company.com42 days
*.company.comValid
06

Digital certificates

Review publicly available certificate information to improve visibility into externally associated services and infrastructure.

SSL/TLS CertificatesCertificate Transparency LogsExpiry Monitoring
Methodology

How Attack Surface Management works

01

Discover

Identify publicly exposed assets associated with the organization.

02

Classify

Group assets by business function, ownership, and technology type.

03

Validate

Review findings to distinguish active assets from obsolete or unrelated infrastructure.

04

Prioritize

Evaluate exposure based on business importance and observed security risks.

05

Monitor

Track changes as new assets appear, existing systems evolve, or infrastructure is retired.

Visibility Over Time

A changing digital footprint

The emphasis is not on numbers. The emphasis is on visibility.

January

42 External Assets

Baseline assessment establishes initial external footprint visibility.

March

Cloud Migration

Infrastructure moves to cloud, introducing new externally visible services and endpoints.

July

New Customer Portal

Customer-facing application launched, expanding web application and API surface.

October

Regional Expansion

New domains registered and infrastructure deployed across additional geographies.

Current

61 External Assets

Ongoing monitoring maintains visibility as the digital footprint continues to evolve.

Why It Matters

Why Attack Surface Management matters

Organizations expand continuously. New domains are registered. Cloud environments evolve. Applications are launched. Infrastructure changes during acquisitions, migrations, and product releases.

Without ongoing visibility, security teams may lose track of externally exposed assets that require governance, monitoring, or further assessment.

New domains registered

Each new domain expands the external footprint and may introduce unmonitored services.

Cloud environments evolve

Cloud-native services can become externally accessible without explicit governance decisions.

Applications are launched

New applications introduce APIs, authentication surfaces, and data exposure points.

Infrastructure changes

Acquisitions, migrations, and releases can introduce assets outside existing visibility.

Deliverables

Executive visibility through structured reporting

ASM Report

External asset inventory

A structured view of identified internet-facing assets within the agreed scope.

ASM Report

Exposure overview

Visibility into externally accessible technologies, services, and infrastructure.

ASM Report

Asset ownership review

Support for identifying assets that may require validation, governance, or ownership clarification.

ASM Report

Change tracking

Monitor how the external attack surface evolves across assessment periods.

ASMVisibility01Attack Surface02Vulnerability Assessment03Penetration Testing04Continuous Monitoring05Executive Governance
Security Ecosystem

Where Attack Surface Management fits

ASM provides visibility into what exists. Subsequent assessments evaluate how secure those assets are.

1

Attack Surface Management

Provides visibility into what is externally exposed

2

Vulnerability Assessment

Evaluates identified assets for known weaknesses

3

Penetration Testing

Tests whether identified assets can be exploited

4

Continuous Monitoring

Tracks ongoing changes to the external environment

5

Executive Governance

Informs risk-based security decisions at leadership level

Our Approach

Independent visibility before security decisions

Digisecuritas approaches Attack Surface Management as an independent assessment rather than a software deployment.

Our role is to provide organizations with a structured view of their externally exposed assets so security, technology, and leadership teams can make informed decisions based on accurate visibility.

When to Engage

Typical use cases

Organizations commonly perform Attack Surface Management:

01

During digital transformation initiatives

02

Following mergers and acquisitions

03

Before security assessments

04

Prior to compliance initiatives

05

After cloud migrations

06

When establishing ongoing cyber governance

07

During enterprise growth and infrastructure expansion

FAQ

Frequently asked questions

No. Attack Surface Management focuses on identifying and monitoring internet-facing assets. Vulnerability scanning evaluates those assets for known security weaknesses after they have been identified.

The primary focus is externally accessible assets. Internal environments are typically assessed through separate security assessments unless specifically included within the engagement scope.

Yes. Organizations frequently introduce new cloud services, applications, domains, and infrastructure. Ongoing Attack Surface Management helps maintain visibility as environments evolve.

It can be performed as a point-in-time assessment, but many organizations incorporate Attack Surface Management into ongoing cybersecurity governance because external environments change continuously.

No. Attack Surface Management identifies what is externally exposed. Penetration testing evaluates whether identified assets can be successfully exploited under controlled conditions.

Visibility is the starting point for effective cybersecurity.

Attack Surface Management provides an independent view of your organization's external digital footprint, helping leadership understand what is exposed, how the environment evolves, and where additional security assessment may be appropriate.

Schedule an Attack Surface AssessmentSpeak with a Cybersecurity Advisor