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Company · Managed cybersecurity services

Theori, Inc.

As of 4 November 2026, Theori, Inc. has 7 open roles (5 new in 30 days), its human resources team is hiring most, and its postings name HubSpot, Python and Ashby as the tools the team works in.

As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

Austin, United States51-200 employees10M-50M revenue, est.B2Btheori.io ↗LinkedIn ↗
Headquarters
Austin, Texas, United States
Employees
51-200 employees (linkedin)
Sells to
teams, ai systems, innovators
Certifications on site
ISO 27001
Site languages
EN, KO
Career system
Ashby
7open roles · 5 new in 30 days
14tools named in postings
United Stateshiring locations
0change signals read in postings
02What they do, whom they sell to, who else does it

Theori, Inc. in one screen

Read from theori.io: what the company does, the customers it names, the buyers we can actually see, and the companies that sell the same thing.

What Theori, Inc. does

Theori, Inc. is a cybersecurity company that provides offensive security, AI security, and training for businesses and enterprises. Its offerings include AI-powered application security testing (Xint), LLM guard and monitoring (αprism), AI red teaming, and cybersecurity training platforms (Dreamhack and Dreamhack Enterprise). It also runs a bug bounty platform (PatchDay) and a cyber threat intelligence database (Fermium-252).

xint ai application security testingxint code sastαprism llm guard and monitoringdreamhack training platformdreamhack enterprise trainingfermium-252 threat intelligence databasepatchday bug bounty platform
Whom it sells to

Named on the site: teams, ai systems, innovators, ai and software companies, technology innovators.

Who else sells this

Nearest companies by what they do, sell and whom they serve, 51+ employees. 586 scored.

TeneoUnited Kingdom · 51-200 employeesCyCraftTW · 51-200 employeesPositive TechnologiesUnited States · 501-1000 employeesvm.plPoland · 51-200 employeesBeazley SecurityUnited States · 51-200 employeesCyberyamiIndia · 51-200 employees
03Tech stack, with the evidence

What Theori, Inc. says it runs

Tools named in the company's own postings as the team's systems, with the sentence that says so. What the website and DNS show is listed separately.

HubSpotMarketing & communications · high confidence · 2 postings
• Keep HubSpot accurate, with every meeting logged and notes complete
Business Development Representative · first seen 2026-10-05
PythonSoftware engineering · high confidence · 2 postings
• Build static and binary analysis tooling in Python on top of established reverse engineering frameworks.
Senior Software Engineer, Mobile Security Analysis · first seen 2026-06-04
AshbyHuman resources · high confidence · 1 posting
• Run Ashby as the system of record, including reporting on time to fill and pass-through rates, and retention and consent settings with our privacy lead
Founding Recruiter · first seen 2026-10-06
Google AdsMarketing & communications · high confidence · 1 posting
• Own paid campaign execution end to end across LinkedIn Ads, Google Ads search and display, and retargeting: audiences, targeting, budgets, bidding, creative trafficking, UTMs and conversion tracking.
Senior Performance / Growth Marketer · first seen 2026-10-05
Google AnalyticsMarketing & communications · high confidence · 1 posting
• Run conversion rate optimization against demo requests, and own technical and on-page SEO, site speed, GA4 and Google Tag Manager.
Senior Performance / Growth Marketer · first seen 2026-10-05
Google Tag ManagerMarketing & communications · high confidence · 1 posting
• Run conversion rate optimization against demo requests, and own technical and on-page SEO, site speed, GA4 and Google Tag Manager.
Senior Performance / Growth Marketer · first seen 2026-10-05
LinkedIn AdsMarketing & communications · high confidence · 1 posting
• Own paid campaign execution end to end across LinkedIn Ads, Google Ads search and display, and retargeting: audiences, targeting, budgets, bidding, creative trafficking, UTMs and conversion tracking.
Senior Performance / Growth Marketer · first seen 2026-10-05
DockerSoftware engineering · high confidence · 1 posting
• Experience with Redis, PostgreSQL, and Docker-based environments.
Backend Software Engineer · first seen 2026-06-04
FastAPISoftware engineering · high confidence · 1 posting
• Strong proficiency in Python, with proven experience developing reliable backend services (FastAPI preferred).
Backend Software Engineer · first seen 2026-06-04
PostgreSQLSoftware engineering · high confidence · 1 posting
• Experience with Redis, PostgreSQL, and Docker-based environments.
Backend Software Engineer · first seen 2026-06-04
RedisSoftware engineering · high confidence · 1 posting
• Experience with Redis, PostgreSQL, and Docker-based environments.
Backend Software Engineer · first seen 2026-06-04
Androidmedium confidence · 1 posting
• Solid understanding of mobile platform internals, Android, iOS, or both.
Senior Software Engineer, Mobile Security Analysis · first seen 2026-10-15
Binary Ninjamedium confidence · 1 posting
• Experience with reverse engineering tools such as Binary Ninja, IDA Pro, or Ghidra.
Senior Software Engineer, Mobile Security Analysis · first seen 2026-10-15
Discordmedium confidence · 1 posting
• Engage practitioners in Reddit, Discord and other security communities, carry their feedback back to product and research, and maintain Xint's public vulnerability tracker with research on disclosure timing.
Senior, Developer Relations and Technical Marketer · first seen 2026-10-05
On the website or in DNS

Vendors whose code loads on theori.io or whose records sit in its DNS. Page plumbing (libraries, fonts, consent banners) is left out.

04Hiring

7 open roles, 5 opened in 90 days

Read hourly from the company's career system. Open roles and new roles in the last 30 days, by team. Companies hiring human resources in United States →

05Signals

What is changing, read from the postings

Intents are events the employer states about itself, each with the sentence and the posting it came from.

No change signals read in the current postings.

Decision makers at Theori, Inc., with verified e-mails, and every change the moment it is posted.

Sales, marketing and IT leaders by function. Add Theori, Inc. to a monitor and get a webhook when a role opens, a tool appears or a signal is read.

Start free, no card. The first 20 are above; e-mails are verified at the mail server when you open them.

06Lookalikes

Companies like Theori, Inc.

Nearest by what they do, what they sell and whom they sell to, 51+ employees. 6 of 586 scored.

TeneoManaged cybersecurity services · United Kingdom51-200 employees
CyCraftCybersecurity iam software · TW51-200 employees
Positive TechnologiesManaged cybersecurity services · United States501-1000 employees
vm.plAI automation agencies · Poland51-200 employees
Beazley SecurityManaged cybersecurity services · United States51-200 employeesCyberyamiIt & cybersecurity training · India51-200 employees
07Profile

From the company's own website

Legal nameTheori, Inc.
IndustryTechnology & software · Managed cybersecurity services
Offeringsxint ai application security testing · xint code sast · αprism llm guard and monitoring · dreamhack training platform · dreamhack enterprise training · fermium-252 threat intelligence database · patchday bug bounty platform
Target customersteams · ai systems · innovators · ai and software companies · technology innovators
Geographic scopeinternational · also Canada
Reviews found
Public contact points1 role addresses · 0 phone numbers
Pages readprivacy, pricing, team, home
Datescrawled 2026-08-14 · profiled 2026-08-16 · hiring built 2026-11-03
Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

Theori, Inc. (Austin, United States, 51-200 employees) has 7 open roles, 5 new in 30 days, and names 14 tools in its postings. (Breaknorm, 4 November 2026, https://breaknorm.co/company/theori.io)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • ProfileBuilt from theori.io: summary, offerings, customers, certifications and contact points are extracted from its pages, with a confidence score per field.
  • HiringRead hourly from the company's Ashby career site; reposts collapse into one record.
  • Tech stackTools the employer's own text names as the team's systems, with the quote; website scripts counted separately.
  • HeadcountLinkedIn where known, otherwise estimated from the site.
FAQ

Theori, Inc.: questions

Does Theori, Inc. use HubSpot?

Yes, by the company's own words: 2 postings name it, first seen 2026-10-05, in the marketing & communications team.

Is Theori, Inc. hiring?

7 open roles as of 4 November 2026, 5 opened in the last 30 days and 0 closed. The largest team hiring is human resources.

Where does this profile come from?

From theori.io itself: we crawled it on 2026-08-14, built the profile on 2026-08-16, and read its career site (Ashby) hourly since. Headcount is from LinkedIn.

Who should I write to at Theori, Inc.?

The people are behind the login: decision makers by function, verified at the mail server when you open them. 1 public role addresses from the site are there too.

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