ADVERSA vs Onyx Security
ADVERSA vs Onyx Security, compared side by side on 14 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: ADVERSA is on 10/100 and Onyx Security on 63/100.
Where each one leads
ADVERSA
- domain rating: 65/100 against 44/100
Onyx Security
- our overall score: 63/100 against 10/100
- agent readiness: 50/100 against 45/100
At a glance
| Measure | ADVERSA | Onyx Security |
|---|---|---|
| What it is | AI red teaming and security platform for enterprises securing AI deployments. | A secure AI control plane platform for discovering, monitoring, and governing enterprise AI agents. |
| Category | Cybersecurity, Agentic AI, AI Red Teaming, LLM Security | AI Governance, AI Observability, Cybersecurity, Agentic AI |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2021 | 2024 |
| Headquarters | Tel Aviv, Israel | Tel Aviv, Israel |
| Status | Active | Active |
Size, funding and growth
| Measure | ADVERSA | Onyx Security |
|---|---|---|
| Employees | Not published | 98 |
| Headcount growthLast 12 months | Not published | +75.5% |
| Open roles | Not published | 11 |
| Total funding | Not published | $153M |
| Latest round | Not published | Series B |
| Valuation | Not published | $640M |
| LinkedIn followers | Not published | 5,381 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | ADVERSA | Onyx Security |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 10/100 | 63/100 |
| Traction | Not published | 60/100 |
| Team | Not published | 80/100 |
| Community | Not published | 42/100 |
| Search visibility | 10/100 | 77/100 |
| Quality | Not published | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (45/100) | D (50/100) |
| Domain ratingLink authority, 0-100 | 65/100 | 44/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | ADVERSA | Onyx Security |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | Not detected | Webflow |
| Frameworks | Not detected | Bootstrap |
| Analytics | Google Tag Manager | Google Analytics 4, Google Tag Manager |
| Support stack | HubSpot | HubSpot |
What users say
| Measure | ADVERSA | Onyx Security |
|---|---|---|
| Community ratingVisitor votes on StartupHub | Not published | 2.1/5 from 7 votes |
| Reddit sentimentThreads we track | Not published | 2 positive, 0 negative across 2 threads |
“Onyx Security raises $113 million for AI agent control plane.”r/RuntimeWire
ADVERSA vs Onyx Security: common questions
Which is better, ADVERSA or Onyx Security?
On our 0-100 score Onyx Security rates higher (63/100 against 10/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 14 data points above: read the rows that match what you are buying for.
How do ADVERSA and Onyx Security compare on the numbers?
ADVERSA leads on domain rating (65/100 against 44/100). Onyx Security leads on our overall score (63/100 against 10/100), agent readiness (50/100 against 45/100).
What do real users say about ADVERSA and Onyx Security?
Onyx Security: 2 positive and 0 negative mentions across 2 Reddit threads we track, mostly in r/RuntimeWire.
Read the full ADVERSA review and pricing or the Onyx Security review and pricing. You can also browse other ADVERSA alternatives we track.

