Censys: Internet-wide attack-surface scanning. We've found 32 companies using Censys, most often in Automotive (7%) and Computer Security (7%), typically with 10,000+ employees and 63% based in United States.
Customers32companies use it
Most popular with10,000+ employees24× more likely than average
Typical customer10,000+employees · mostly United States
We've found 32 companies using Censys among the 195,907 we've scanned so far. We only count a company when a direct public record backs it up.
What kind of companies use Censys?
Censys customers are most often in Automotive (7%), Computer Security (7%) and Higher Education (7%). The most common company size is 10,000+ employees (50% of customers with a known size).
Which countries use Censys the most?
Most Censys customers we've found are in United States (63%), Finland (7%) and United Kingdom (7%).
What are the alternatives to Censys?
The most used alternatives in the same category are GlobalSign (25,639 companies), Let's Encrypt (22,860 companies), Proofpoint (21,019 companies) and reCAPTCHA (19,016 companies).
How does runsonwhat know a company uses Censys?
We read public traces only. For Censys that means a domain-verification record in the company's DNS and the company's published subprocessor list. Every match keeps the record it came from.