Technical Analysis

Internet scanning engine for identifying exposed services and certificates.

Censys continuously scans the internet to identify exposed hosts, services, and SSL certificates. It helps investigators link domains via shared certificates and infrastructure, supporting attribution in IP infringement and impersonation cases.

Key Features

  • SSL certificate search
  • Host exposure detection
  • Internet-wide scan database
  • API integration

Primary Use Cases

Shared Certificate Attribution

Identify linked domains using the same TLS certificate.

Strengths & Considerations

Core Strengths

Certificate search, detailed exposure insights.

Technical Considerations

Complex query language.

Pricing

Model: Freemium + Enterprise

Free limited access; paid enterprise tiers.

How Censys Compares

Similar scope to Shodan but stronger certificate analysis.

Best Fit

Ideal for Threat intel teams, investigators
Not recommended for Offline analysis

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