# Companies using Censys

265 companies use Censys, based on their job posts and their employees' public profiles. 143 job posts named it from October 2025 to August 2026. Security Analyst is the role that names it most often.

Data as of November 9, 2026. Source: Sumble.

## Which companies name Censys in the most job posts?

The companies with the most job posts naming Censys are AT&T (35), Peraton (16) and Vanguard (14). AT&T is the newest of the five companies in the table, with its first job post naming it in May 2025.

| Company | Job posts | Recent job post |
|---|---:|---|
| [AT&T](https://sumble.com/orgs/at&t) | 35 | "Continual assessment of enterprise attack surface using tools such as Tenable, Xpanse, Censys." (Principal Cybersecurity - Vulnerability Analyst, Jul 27, 2026) |
| [Peraton](https://sumble.com/orgs/peraton) | 16 | "Leverage advanced reconnaissance and asset discovery platforms (e.g., Shodan, Censys, ZoomEye) to map critical infrastructure attack surfaces and identify systemic risks." (Senior ICS Threat Hunt Analyst / Active Top Secret, Oct 23, 2026) |
| [Vanguard](https://sumble.com/orgs/vanguard) | 14 | "Administer and support EASM and VDP platforms (e.g., Censys, Defender EASM, HackerOne, BugCrowd)" (EASM Validation Analyst, May 28, 2026) |
| [Recorded Future](https://sumble.com/orgs/recorded-future) | 11 | "Fluency in common CTI research and data analysis platforms/tools such as the Elastic Stack (ElasticSearch, Kibana), Maltego, Modat, Shodan, Censys, DomainTools, or other similar tools/datasets" (Threat Intelligence Analyst, Nov 1, 2026) |
| [Tenable](https://sumble.com/orgs/tenable) | 10 | "Familiarity with internet-facing asset discovery and search platforms such as Shodan and Censys" (Senior Research Engineer, Oct 15, 2026) |

## Is hiring for Censys growing?

Job posts mentioning Censys went from 0.07 to 0.08 in every 10,000 job posts, comparing March to May with June to August 2026. One company accounts for most of that change.

| Month | Job posts naming it | All job posts | Per 10,000 job posts |
|---|---:|---:|---:|
| Oct 2025 | 19 | 1,413,673 | 0.13 |
| Nov 2025 | 14 | 1,822,119 | 0.08 |
| Dec 2025 | 9 | 1,236,103 | 0.07 |
| Jan 2026 | 10 | 1,828,002 | 0.05 |
| Feb 2026 | 9 | 1,856,647 | 0.05 |
| Mar 2026 | 13 | 1,850,711 | 0.07 |
| Apr 2026 | 9 | 1,728,886 | 0.05 |
| May 2026 | 14 | 1,821,509 | 0.08 |
| Jun 2026 | 14 | 1,909,496 | 0.07 |
| Jul 2026 | 13 | 1,815,180 | 0.07 |
| Aug 2026 | 19 | 1,835,698 | 0.10 |

## How many companies named Censys in a job post for the first time in recent months?

Job posts named Censys for the first time at 19 companies from June to August 2026, against 16 from March to May. Over the 11 months from October 2025, 52 companies posted their first job naming it.

| Period | Companies naming it in a job post for the first time |
|---|---:|
| March to May 2026 | 16 |
| June to August 2026 | 19 |
| October 2025 to August 2026 | 52 |

Companies whose first job post naming it appeared in that period. Recruiters, staffing firms and job boards are left out.

## How do we know which companies use Censys?

Employees' profiles add 118 companies to the 147 that name Censys in job posts. 10 show up in both job posts and employees' profiles.

| How we know | Companies | Share |
|---|---:|---:|
| Job posts name Censys | 147 | 55% |
| Employees' profiles list Censys | 118 | 45% |

## What size are the companies that use Censys?

Companies with more than 5,000 employees are 1.6 times as common among Censys users as on the typical tech page, at 37%. 37 of its companies have fewer than 50 employees.

| Size | Share | Typical tech page |
|---|---:|---:|
| Under 50 employees | 14% | 22% |
| 50 to 999 | 32% | 38% |
| 1,000 to 5,000 | 18% | 17% |
| Over 5,000 | 37% | 23% |

## Where are Censys companies based?

More than half of Censys companies are in the United States (53%). India is less common than usual, at 4.7% against 6.9% on the typical tech page.

| Country | Companies | Share | Typical tech page |
|---|---:|---:|---:|
| United States | 134 | 53% | 43% |
| United Kingdom | 20 | 7.8% | 6.4% |
| France | 16 | 6.3% | 4.6% |
| Brazil | 13 | 5.1% | 2.8% |
| India | 12 | 4.7% | 6.9% |
| Argentina | 6 | 2.4% | 0.35% |

## Which teams work with Censys?

Threat intelligence teams are by far the most common home for Censys, at 7 companies.

| Team | Companies |
|---|---:|
| Threat intelligence | 7 |
| Cyber threat intelligence | 3 |
| Cybersecurity | 3 |
| SOC | 3 |
| ACI | 2 |
| Capabilities | 2 |

## Which roles mention Censys most?

Censys shows up across many roles. The top one, Security Analyst, has 31% of the job posts. The top four roles cover 48% of these job posts.

| Role | Share | Oct 2025 to Aug 2026 | Mar to May 2026 | Jun to Aug 2026 |
|---|---:|---:|---:|---:|
| Security Analyst | 31% | 45 | 11 | 13 |
| Security Engineer | 7% | 10 | 5 | 2 |
| Researcher | 6.3% | 9 | 1 | 3 |
| Information Security Engineer | 3.5% | 5 | 2 | 0 |
| Product Security | 3.5% | 5 | 0 | 1 |
| Compliance | 2.8% | 4 | 0 | 1 |

## Which companies started naming Censys in job posts recently?

Between April and August 2026, Censys appeared for the first time in job posts at 23 companies: 7 commercial, 9 mid-market and 7 enterprise. Among the new mid-market companies, FOURSYS posted the most jobs naming it: 5.

| Group | Company | Job posts, April to August 2026 |
|---|---|---:|
| Commercial | [CYFIRMA](https://sumble.com/orgs/cyfirma) | 2 |
| Commercial | [Kodex](https://sumble.com/orgs/kodex) | 2 |
| Commercial | [Banco Pine](https://sumble.com/orgs/banco-pine) | 1 |
| Commercial | [Forward Global](https://sumble.com/orgs/forwardglobal) | 1 |
| Commercial | [FPT Asia Pacific](https://sumble.com/orgs/fpt-software-com-fpt-asia-pacific) | 1 |
| Mid-market | [FOURSYS](https://sumble.com/orgs/foursys) | 5 |
| Mid-market | [Nava \| Tech for Business](https://sumble.com/orgs/nava-technology-for-business) | 3 |
| Mid-market | [Lintasarta](https://sumble.com/orgs/lintasarta) | 2 |
| Mid-market | [Orange Cyberdefense](https://sumble.com/orgs/orange-cyberdefense) | 1 |
| Mid-market | [Astek Inc](https://sumble.com/orgs/astek-940a357f) | 1 |
| Enterprise | [Happiest Minds Technologies](https://sumble.com/orgs/happiest-solutions) | 2 |
| Enterprise | [IBM](https://sumble.com/orgs/ibm) | 1 |
| Enterprise | [AstraZeneca](https://sumble.com/orgs/astrazeneca) | 1 |
| Enterprise | [Danaher Corporation](https://sumble.com/orgs/danaher) | 1 |
| Enterprise | [Rockwell Automation](https://sumble.com/orgs/rockwell-automation) | 1 |

Companies that named Censys in a job post for the first time between April and August 2026, ranked by their job posts in those months. AI-native companies get a group of their own, whatever their size. Recruiters and job boards are left out.

## What else do Censys companies use?

80% of Censys companies also use Shodan, against 0.11% of similar companies. MISP comes second, 122 times as common as usual, at 32%.

| Tool | Companies | Also name it | Typical | Times as common |
|---|---:|---:|---:|---:|
| Shodan | 53 | 80% | 0.11% | 722 times |
| MISP | 21 | 32% | 0.26% | 122 times |
| IDA Pro | 15 | 23% | 0.21% | 108 times |
| Ghidra | 15 | 23% | 0.22% | 104 times |
| WinDbg | 10 | 15% | 0.15% | 101 times |
| Trivy | 11 | 17% | 0.47% | 35 times |
| Splunk Enterprise Security | 10 | 15% | 0.48% | 31 times |
| CrowdStrike Falcon | 11 | 17% | 0.55% | 30 times |

Shares are out of the 66 companies whose job posts name Censys, not counting firms whose job posts name almost every technology.

## About this data

Sumble built this page. Sumble gives sales, marketing and other GTM teams technographics and hiring signals for the companies they sell to: the technologies each company uses, which teams are hiring and for what, and who reports to whom. That helps a team know who to contact, why now, and what to say.

Sumble covers more than 3.6 million companies, 93 million job posts collected since 2022 and 194 million employee profiles, and tracks more than 37,000 technologies. It finds which technologies a company uses by reading its job posts and its employees' public profiles.

Sumble has a free plan, and the same data is available through its API and MCP server.

A company counts when its own job posts or its employees' public profiles name the technology. Hiring is that technology's share of all job posts collected each month. Quotes are copied word for word from the companies' job posts.

Every figure on this page comes from Sumble's own analysis, and you won't find it outside Sumble.