Attack Surface Monitoring for Complete Visibility of Your External Assets

Every organisation has a digital footprint, but many have more internet-facing assets than they realise. Domains, websites, public-facing applications, IP addresses, exposed infrastructure and cloud-hosted content can all expand your attack surface. Forgotten assets, shadow IT and misconfigured systems can increase risk without security teams being aware. unphish helps organisations continuously monitor their external attack surface to identify suspicious changes, exposed infrastructure and emerging risks before attackers can exploit them.

Attack Surface Monitoring

What is Attack Surface Monitoring?

Attack surface monitoring is the continuous process of discovering, monitoring and analysing an organisation’s internet-facing assets to identify exposed infrastructure, suspicious changes and emerging security risks.

Unlike traditional vulnerability management, which focuses on known systems, attack surface monitoring helps discover external assets that may be unknown, forgotten or newly exposed.

Effective attack surface monitoring combines continuous asset discovery, threat intelligence and risk identification to provide a clearer view of your external digital footprint.

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External Assets

What Makes Up Your Attack Surface?

An organisation’s attack surface includes every internet-facing asset that could be discovered and targeted by cybercriminals. As businesses adopt more digital services, public-facing applications and cloud platforms, this external footprint continues to grow.

Internet-Facing Assets

Internet-facing assets include domains, subdomains, websites, IP addresses, public-facing applications and cloud-hosted content that can be accessed from the public internet.

Exposed Infrastructure

Exposed infrastructure includes web servers, DNS records, SSL/TLS certificates, public-facing applications and other internet-facing components that may be misconfigured or unintentionally exposed.

Shadow IT & Unknown Assets

Shadow IT includes forgotten domains, unauthorised applications and public content outside standard IT oversight. These assets can expand risk without security teams being aware.

Third-Party Exposure

Vendors, subsidiaries and partners may operate internet-facing systems that display your brand, process data or connect to your environment, creating additional external exposure.

Detection & Response

How unphish Monitors Your Attack Surface

unphish continuously discovers, analyses and investigates internet-facing assets associated with your organisation, helping identify exposed infrastructure, suspicious changes and emerging risks as your digital footprint evolves.

Step 1

Monitor

unphish continuously monitors internet-facing assets associated with your organisation, including domains, subdomains, websites, IP addresses, exposed infrastructure and content hosted on cloud platforms. Ongoing monitoring helps identify newly exposed or previously unknown assets as your digital footprint evolves.

Step 2

Detect

Potential risks are enriched with threat intelligence, contextual analysis and infrastructure correlation to determine whether they represent genuine security concerns. Our analysts validate findings, helping prioritise risks and reduce false positives.

Step 3

Takedown

Confirmed risks are investigated to understand their potential impact on your organisation. Where external threats, brand abuse or exposed assets are identified, unphish supports remediation and enforcement while continuing to monitor for new or recurring risks.

Why unphish

Why Choose unphish for Attack Surface Monitoring?

Your external attack surface changes constantly as new assets are deployed, updated or exposed. unphish helps organisations improve visibility, identify emerging risks and prioritise action with intelligence-led monitoring.

Continuous Asset Discovery

Your external attack surface is constantly evolving as new assets are deployed, updated or exposed to the internet. unphish continuously discovers internet-facing assets associated with your organisation, helping identify new infrastructure, shadow IT and other changes as they occur.

Complete External Visibility

You can't protect what you can't see. unphish provides a comprehensive view of your internet-facing assets, giving organisations greater visibility into domains, websites, cloud services, IP addresses and other exposed infrastructure that may introduce security risks.

Campaign Clustering & Intelligence

Individual findings may form part of a broader attack campaign. unphish correlates related domains, infrastructure and threat activity to identify connections between incidents, helping organisations understand coordinated activity and respond more effectively.

Risk Prioritisation

Not every exposed asset carries the same level of risk. unphish helps organisations assess findings based on contextual signals, infrastructure details and analyst validation, making it easier to prioritise the issues that require the most urgent attention.

Learn more about our Threat Intelligence capabilities and what sets unphish apart.

Strengthen Your Security

Strengthen Your External Security Posture

Your attack surface is always changing. New domains, cloud services, public applications and third-party assets can introduce exposure before security teams have full visibility.

unphish helps organisations continuously monitor internet-facing assets, identify suspicious changes and investigate emerging risks before attackers can exploit them. With clearer visibility and intelligence-led prioritisation, teams can reduce exposure and strengthen their external security posture.

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FAQs

Discover answers to frequently asked questions about attack surface monitoring, external attack surfaces, exposed infrastructure and how unphish helps organisations identify emerging risks.

1. What is attack surface monitoring?

Attack surface monitoring is the continuous process of discovering and monitoring an organisation's internet-facing assets to identify exposed infrastructure, suspicious changes and emerging security risks. It helps organisations maintain visibility across their external digital footprint and identify potential issues before they can be exploited.

2. What is an external attack surface?

An external attack surface is the collection of internet-facing assets that can be discovered or accessed from outside an organisation. This can include domains, subdomains, websites, IP addresses, public-facing applications, DNS records, certificates and other exposed infrastructure.

3. What types of internet-facing assets should organisations monitor?

Organisations should monitor the assets that make up their external digital footprint, including domains, subdomains, websites, IP addresses, public-facing applications, DNS records, SSL/TLS certificates and publicly accessible content hosted on cloud platforms. Forgotten, unmanaged or third-party assets should also be monitored where they may introduce additional risk.

4. What is the difference between attack surface monitoring and vulnerability management?

Vulnerability management generally focuses on identifying and remediating weaknesses within systems an organisation already knows about. Attack surface monitoring focuses on discovering and monitoring internet-facing assets that may be unknown, forgotten or newly exposed, helping organisations understand what is visible externally before assessing the risks associated with those assets.

5. How does unphish identify exposed infrastructure and emerging risks?

unphish continuously monitors internet-facing assets associated with your organisation and analyses findings using contextual intelligence, infrastructure correlation and analyst validation. This helps identify suspicious changes, exposed assets and other potential risks while prioritising findings that require further investigation.

6. How often does unphish monitor my attack surface?

unphish provides continuous monitoring of your external attack surface, helping identify newly exposed assets, suspicious changes and emerging risks as your digital footprint evolves. This ongoing visibility enables organisations to investigate potential issues earlier rather than relying on periodic point-in-time assessments.

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Attack Surface Monitoring for Complete Visibility of Your External Assets

What is Attack Surface Monitoring?