Censys
Named by 25 kept items in this workspace.
20 items name it under tools, 4 under classification.key entities and 1 under classification.technologies.
Search every workspace for Censys. It matches the name as written, so it can find other things that share it.
The items that name it 25
source cited for the 1.5 million unpatched server figure
Used to identify unprotected/exposed IP cameras
Scanner service noted as used by both researchers/analysts and attackers to assess unpatched/vulnerable services.
Used to analyze the C2 IP 67.43.50.11, revealing exposed RDP/WinRM/DCERPC ports and the leaked hostname
Third-party internet scanning service recognized in the new Scan Databases subtechnique as a discovery channel for exposed AI infrastructure
Cited report documenting the same Windows/macOS EtherHiding contracts in a related blockchain-backed ClickFix chain
Used to search for exposed Screen Sharing hosts by ASN and non-standard ports
IPv4 host view (open ports, services, ASN) or domain certificate search (SANs, issuer); requires CENSYS_API_ID and CENSYS_SECRET
internet-wide scan search
used to identify the hosting IP's BULLETPROOF designation for AS200593 (PROSPERO OOO, Russian Federation)
Used by Tenet for passive reconnaissance to find exposed Sentry DSNs via searches for ingest.sentry.io in HTTP bodies.
Internet scanning used to identify approximately 7,000 publicly exposed Langflow instances.
Search engine integration used by CF-Hero for third-party intelligence; now uses the Censys Platform API with Personal Access Token (PAT) and optional Organization ID, as legacy search.censys.io API is being sunset in 2026
secondary source for certificate intelligence
Internet-wide host/certificate discovery
Optional additional discovery source alongside Shodan
Internet-wide scanning used by VulnCheck to find exposed Cisco FMC instances (~300 found)
Internet asset discovery with certificate analysis
All technologies in this workspace.