Censys vs RiskIQ
Censys
The Leader in Attack Surface Management & Internet Visibility
158 employees · est. 2017 · Ann Arbor, United States
RiskIQ
The world leader in attack surface management. Now a subsidiary of Microsoft
33 employees · est. 2009 · San Francisco, United States
RiskIQ is the older company (2017 vs 2009); Censys is the larger of the two.
Side-by-Side Comparison
| Metric | Censys | RiskIQ |
|---|---|---|
| Founded | ||
| Founded | 2017 | 2009 older |
| Headquarters | ||
| Headquarters | Ann Arbor, United States | San Francisco, United States |
| Employees | ||
| Employees | 158 larger | 33 |
| Industry | ||
| Industry | Cyber Security, Privacy and Security | Cyber Security, Enterprise Software, Privacy and Security |
| Funding Stage | ||
| Funding Stage | Series C | Series D |
| Total Funding | ||
| Total Funding | $128.10M | $83.00M |
| Funding Rounds | ||
| Funding Rounds | 5 | 5 |
| Taxonomy | ||
| Taxonomy | Cyber SecurityAttack Surface ManagementVulnerability ManagementThreat AnalysisInternet VisibilityData-driven Security +4 | Attack Surface ManagementThreat IntelligenceDigital SecuritySecurity AnalystEnterprise SecurityData Reconnaissance +7 |
| Website | ||
| Website | censys.io | riskiq.com |
About Censys
Censys is a leading company in attack surface management and internet visibility, with a focus on cyber security and privacy. Founded in 2017 and headquartered in the United States, Censys has gained recognition for its unique approach to discovering devices, networks, and infrastructure on the inte...
About RiskIQ
RiskIQ, with its slogan "The world leader in attack surface management", offers comprehensive discovery, intelligence, and threat mitigation for an organization’s digital presence. Founded in 2009 and based in San Francisco, the company operates in the cybersecurity and enterprise software industrie...
Also comparing in this category
Comparing more than these two?
Get Censys, RiskIQ and up to nine more competitors side by side in one PDF: team, funding, traffic and every dated move of the last six months. Every company is re-checked on the day you order.
How does Censys compare?
A PDF of Censys and up to 10 competitors you pick: team, funding, traffic and every dated move of the last 90 days. Each company is re-checked on the day you order, so it is current.
This takes a few seconds: we look beyond our own index too.
Frequently Asked Questions
Compare Censys with someone else
Start typing a company name or domain.
Compiled from the BounceWatch company index. We last looked at Censys on 3 Mar 2025, and RiskIQ on 12 Sep 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.