Market landscapes / AI Safety, Security & Governance / AI Red Teaming & Security Testing

Casco
Penetration testing done by AI agents. Casco attacks a live product the way a hacker would, keeps reproducible evidence of every exploit, and retests each fix.
AI Red Teaming & Security Testing11-50 peoplecasco.com ↗
Updated 12 October 2026
Hiring now
From Casco's own jobs board, checked every week.
Hiring is mostly commercial. 4 of its 7 open roles are in sales, solutions and marketing.
Where the roles are
Against its sector
9 of the 21 active companies in AI Red Teaming & Security Testing are advertising roles. White Circle has the most, with 21.
Funding
Casco announced a Series A in July 2026, led by Standard Capital.
Source: Casco's announcement
Who Casco competes with
The other active companies we file under AI Red Teaming & Security Testing, sorted by how much they are hiring.
Where this fits
Attacking an AI system deliberately, to find what it will do wrong before a customer does. Of everything in this theme it is closest to traditional penetration testing, so it sells into a security budget that already exists rather than one that has to be created first.
We track hiring and team changes across all 186 companies in AI Safety, Security & Governance.
Our talent report for this sector shows how Casco's team compares with its competitors.
What is in it:
- Every company's team size, side by side, grouped by sub-sector
- Who grew their team over the last year, and by how much
- Who is losing people: attrition for each company, against the sector average
- Who is hiring right now, and how many open roles each has
I am Ben Jackson. I map this market, and I hire the commercial teams inside it: sales, marketing, product and delivery.
If you are building a team at a company like Casco, want to work at one, or think Casco is filed in the wrong place, put 20 minutes in my diary.
Book 20 minutes with Ben →