Comprehensive asset discovery
The platform identifies domains, subdomains, network addresses, services, and applications exposed to the internet, including those not in the official organization inventory.
EASM · EXTERNAL ATTACK SURFACE MANAGEMENT
EASM that sees beyond the known public DNS.
The external attack surface of an organization goes well beyond the known public DNS. It includes services contracted by business areas, inherited infrastructure from acquisitions, test environments, and forgotten administrative panels. CSURFACE discovers this exposure with Machine Learning analyzing multiple independent signals per asset; the agentic layer decides on ownership before the alert reaches the team—eliminating noise at its source.
THE CHALLENGE
You can't protect what you don't know
The external attack surface changes every day. A new service is contracted by a business area, a subdomain is published for a campaign, an environment goes live for testing, and a subsidiary maintains its own infrastructure. Each of these assets increases the organization's exposure — and most of them never make it to the official security inventory.
Traditional mapping approaches rely on known domain lists and periodic scans. They find what is expected but miss exactly what matters most: the asset absent from the inventory. External Attack Surface Management starts with a different premise — discovery must be continuous, comprehensive, and independent of what the organization claims to know.
CAPABILITIES
What CSURFACE delivers in EASM
A comprehensive and always-updated view of external exposure, classified by relevance to the business.
Shadow IT visibility
Services contracted outside the formal technology process are brought to light, along with subsidiary infrastructure and embedded digital supply chain in assets.
Criticality classification
Each discovered asset is classified by relevance to the business using Machine Learning, so that the team focuses on what truly matters.
Continuous exposure assessment
The platform identifies vulnerabilities and inadequate configurations in exposed assets and tracks the evolution of these exposures over time.
Alerts for relevant changes
New assets, certificates nearing expiration, and configuration changes generate prioritized notifications so that the team reacts before exposure becomes an incident.
Audit trail
Each discovery, classification, and change is recorded, providing verifiable evidence for audits and follow-up by senior management.
| Asset | Technology | Exposure |
|---|---|---|
| portal.exemplo.com.brnew | Nginx · WordPress | application exposed |
| api.exemplo.com | Kong · Node.js | public API |
| hml-legado.exemplo.com.brnew | Apache · PHP 7.2 | legacy exposed |
| vpn.exemplo.com.br | Fortinet | remote access |
The discovered surface from the root domain — including what the official inventory does not register.
HOW IT WORKS
From Discovery to Continuous Management
External Attack Surface Management is a permanent and continuous process.
Discovery Without Installation
Starting from the organization's domain, the platform builds the external surface map without the need for agents or internal network access.
Analysis and Prioritization
Discovered assets are correlated, classified by criticality, and evaluated for exposures, forming a risk-ordered view of real risks.
Continuous Monitoring
The external surface is continuously monitored, and each relevant change reaches the team with context and treatment suggestions.
FREQUENTLY ASKED QUESTIONS
FAQ
What is the difference between EASM and traditional vulnerability management?
Traditional vulnerability management assesses known assets. External Attack Surface Management starts earlier: it discovers which assets an organization exposes to the internet — including those not listed in any inventory — and then evaluates the exposures associated with each one.
Do I need to install agents or grant internal network access?
No. The external surface discovery is done from the organization's domain without agents and without internal network access. The platform observes what is accessible via the internet, from the perspective of an external agent, and operates autonomously.
Optionally, CSURFACE integrates with cloud environments, WAFs, CIEMs, and other sources to enrich analysis — integrations that expand the context but are not necessary for the platform to function.
Does the platform cover cloud infrastructure?
Yes. Cloud resources exposed to the internet — DNS records, public storage, addresses, and certificates — are discovered as any other asset without requiring access credentials.
How frequently is the attack surface updated?
The discovery is continuous. The external attack surface is monitored permanently, and new assets and relevant changes are incorporated into the platform's view as soon as they are identified.
See your actual external attack surface.
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