External Attack Surface Management


Continuously discover and monitor unknown internet-facing assets, prioritize risk with AI-driven insights, and monitor your attack surface to reduce exposure before attackers exploit it.

Gain Complete Visibility and Control of Your Attack Surface

Get a clear, continuously updated view of your external attack surface. Outpost24 EASM helps security teams identify exposures faster and focus remediation where it matters most.

Discover Hidden Assets Others Miss

Continuously uncover unknown, unmanaged, and shadow IT using advanced reconnaissance and AI-driven discovery.

Prioritize Risk with AI-Driven Insights

Automated attack surface scoring highlights critical exposures so teams focus on what matters most.

Monitor and Reduce Exposure Continuously

24/7 monitoring, alerts, and intelligence help detect risks early and accelerate remediation.

Why Outpost24 for External Attack Surface Management

Outpost24 EASM provides a complete and continuously updated view of your internet-facing assets, helping security teams identify unknown exposures, prioritize risk, and reduce their external attack surface with confidence.

Passive and Non-Intrusive Asset Discovery

Automatically discover and inventory all internet-facing assets using passive, hybrid, and advanced reconnaissance techniques. Build a complete and continuously updated asset register covering domains, IP addresses, cloud infrastructure, and shadow IT — without requiring agents, credentials, or network access.

Continuous Monitoring and Change Detection

Continuously monitor your external attack surface to detect newly exposed assets, configuration changes, and emerging risks as they occur. Real-time alerts enable security teams to respond quickly and maintain an accurate, up-to-date view of their organization’s external exposure.

Attack Surface Scoring and Risk-Based Prioritization

Understand which exposures pose the greatest risk with automated attack surface scoring and contextual analysis. Assets and findings are assessed and prioritized based on exposure and impact, helping teams focus remediation efforts where they will reduce risk most effectively.

Remediation Workflow and Risk Tracking

Manage remediation efficiently with interactive dashboards, prioritized trackers, and clear visualization of your attack surface. Monitor risk trends, track remediation progress, and give security teams the visibility and structure needed to reduce exposure over time.

KuppingerCole’s 2025 ASM Leadership Compass

Outpost24 was the only European Cyber Security Company named an Overall Leader in KuppingerCole’s 2025 ASM Leadership Compass.
We were also recognized as a leader in both the Product and Market categories by KuppingerCole, leading analysts in the areas of digital identities, authentication, and cybersecurity.

Compliance support for standards including PCI DSS, HIPAA, GDPR, NIST, DORA and NIS2

Compliance Readiness

Simplify your compliance and audit efforts. Outpost24 EASM is designed to align with these common regulatory and industry requirements:

Real Results, Real Stories

See what satisfied customers on had to say after implementing Outpost24 EASM.

Expert Help, When You Need It

Managed EASM

Extend your team with Outpost24 security experts who continuously monitor your attack surface, investigate exposures, and provide prioritized guidance to help you reduce risk faster.

Features

Non-intrusive, passive discovery from the infrastructure to the data layer

Simple onboarding without any on-premises installation

Analysis of all internet-facing assets analyzed and attack paths prioritized

Automated domain and subdomain discovery including look-a-like domain detection

Encryption certificate monitoring, including expiry dates, the certificate chain, TLS protocols, and issuers

Interactive dashboard for complete real-time visibility of your attack surface

Advanced port scanning to detect all open ports at risk of exploitation by threat actors

AI-computed data helps discover shadow IT and cybersquatting

24×7 automated monitoring built on advanced reconnaissance techniques

Builds an exhaustive and accurate data set of your attack surface

Cookie consent checks to verify your websites’ compliance with the GDPR regulation

Fully customizable alerting and reporting to identify and filter security priorities

Integrations including Jira, ITSM, SOAR, CAASM to drive effective triage and remediation

Detect if users of any of your domains have had their credentials leaked with integrated Threat Intelligence information

Monitor and track changes to assets in real-time with manual rescanning

Automatically monitor underground forums for company data with the Dark Web module

Track your organization’s digital footprint on social media, including unauthorized use of brands, logos, and assets

Detect leaked documents and information from employees & third parties

Save time and resources with the AI-enhanced summaries in the Digital Risk Protection modules

Frequently Asked Questions

An EASM solution offers continuous discovery, analysis, and monitoring of everything connected to your company’s online exposure, including domains, websites, hosts, services, technologies, SSL certificates, and more.
Through real-time discovery, an EASM platform keeps you informed of any changes or issues that may arise in the external attack surface of your organization. With this comprehensive solution at your disposal, you can have peace of mind knowing that your online assets are secure, and your company’s reputation is protected.

With Outpost24’s EASM platform, you can easily gain situational awareness of all changes in your online attack surface. This means you will be the first to learn about any vulnerability or issue that may encourage cybercriminals.
Our automated solution also enables you to reduce the risk of a cyberattack by identifying and analyzing vulnerable assets in real time, even those you don’t know about. Additionally, our EASM solution continuously scans and prioritizes findings on what to address first through quantitative risk ratings. As a result, it saves valuable time and frees up resources to focus on other tasks.

We offer a quick and effortless onboarding process that eliminates the need for any software or agent installation. The platform is cloud-based and easily accessible through a secure login via your internet browser. Our zero-knowledge approach only requires basic information such as the company name or primary domain to get started.
The platform suggests new primary domain candidates and allows for the importing of additional IP addresses, ensuring that the scope remains complete and up-to-date.

Sweepatic is a cybersecurity company founded in 2016 in Leuven (Belgium) specializing in External Attack Surface Management (EASM). Its EASM platform helpes organizations discover and monitor their internet-facing assets to reduce exposure to external threats.
In 2023, Sweepatic was acquired by Outpost24, a Swedish cybersecurity company, to enhance its capabilities in external threat detection and expand its security portfolio. The integration of Sweepatic’s technology into Outpost24’s EASM platform enabled a more comprehensive solution for continuous asset discovery, risk analysis, and attack surface management (ASM).

Want to Know More?

Explore additional resources.

Outpost24 EASM Datasheet

Comprehensive overview of Outpost24 EASM
View Datasheet

Whitepaper: A Primer for External Attack Surface Management

Get clarity on what External Attack Surface Management is, as well as its importance in ensuring your organization’s cyber resilience
View Whitepaper

Supercharge Domain Discovery with AI-powered EASM

Learn how we’ve augmented our EASM solution’s domain discovery feature with AI.
Read more

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