Censys Attack Surface Management
Attack surface management software
Vulnerability management software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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Large
- Public sector and nonprofit organizations
- Information technology and software
- Banking and insurance
What is Censys Attack Surface Management
Censys Attack Surface Management is an external attack surface management (EASM) product that helps organizations discover, inventory, and monitor internet-facing assets such as domains, hosts, certificates, and exposed services. It is used by security operations, vulnerability management, and threat intelligence teams to identify unknown or unmanaged assets and prioritize remediation based on observed exposure. The product is built on Censys’ internet scanning and indexing capabilities and supports continuous monitoring and alerting for changes in externally visible infrastructure.
Strong external asset discovery
The product leverages large-scale internet scanning and indexing to identify externally exposed hosts, services, and certificates tied to an organization. This supports discovery of shadow IT and forgotten assets that are often missed by internal scanners. It is particularly useful for organizations with many domains, cloud deployments, and third-party hosted services.
Continuous monitoring for changes
Censys Attack Surface Management tracks changes in externally visible assets over time, such as newly opened ports, new subdomains, or certificate updates. This helps teams detect exposure drift and respond faster to unintended changes. Ongoing monitoring can reduce reliance on periodic, manual asset reviews.
Internet context for prioritization
The platform provides internet-observed context (e.g., service banners, TLS/certificate metadata, and exposure attributes) that can help triage findings. This context can improve prioritization compared with asset lists that lack service-level detail. It also supports investigations where teams need to validate what is actually reachable from the public internet.
Primarily external visibility
The product focuses on what is observable from the public internet and does not replace internal vulnerability scanning for endpoints, internal networks, or authenticated application testing. Some risks (e.g., misconfigurations behind authentication, lateral movement paths, or internal-only services) may not be visible. Many organizations still need complementary internal VM and cloud posture controls.
Attribution can require tuning
Linking internet-facing assets to the correct business entity can be challenging when using shared hosting, CDNs, subsidiaries, or third-party providers. Teams may need to tune ownership rules, validate findings, and manage exceptions to reduce noise. Without governance, asset inventories can include false positives or miss assets that are indirectly related.
Remediation depends on integrations
While the platform can identify exposures, remediation workflows typically rely on integration with ticketing, SIEM/SOAR, or vulnerability management processes. Organizations without mature operational workflows may struggle to turn findings into consistent fixes. Some teams may also require additional tooling for exploit validation or deeper configuration assessment.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Censys Attack Surface Management (ASM) | Custom / Quote-based — Contact sales | Official Censys site and ASM product pages do not publish public list prices. Censys states ASM pricing is quoted using an Assets Under Management (AUM) metric (docs) and directs buyers to contact sales/request a demo. No per-user or per-month ASM pricing found on the official site. See notes for product capabilities (continuous scanning, risk prioritization, cloud connectors, vulnerability insights). |
Seller details
Censys, Inc.
Ann Arbor, Michigan, USA
2017
Private
https://censys.io/
https://x.com/censysio
https://www.linkedin.com/company/censys/
