Onyx Security vs Rilian
Onyx Security vs Rilian, compared side by side on 19 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: Onyx Security is on 63/100 and Rilian on 49/100.
Where each one leads
Onyx Security
- our overall score: 63/100 against 49/100
- agent readiness: 50/100 against 20/100
- domain rating: 44/100 against 16/100
- funding raised: $158M against $27.5M
Rilian
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Onyx Security | Rilian |
|---|---|---|
| What it is | A secure AI control plane platform for discovering, monitoring, and governing enterprise AI agents. | AI-native cybersecurity and defense systems integration capabilities. |
| Category | AI Governance, AI Observability, Cybersecurity, Agentic AI | Cybersecurity, Artificial Intelligence, Defense, Defense Tech |
| Sells toBusiness model | B2B | B2G |
| Offering | Platform | Services |
| Founded | 2024 | 2024 |
| Headquarters | Tel Aviv, Israel | McLean, USA |
| Status | Active | Active |
Size, funding and growth
| Measure | Onyx Security | Rilian |
|---|---|---|
| Employees | 98 | Not published |
| Headcount growthLast 12 months | +75.5% | Not published |
| Open roles | 11 | Not published |
| Total funding | $158M | $27.5M |
| Latest round | Series B | Seed |
| Valuation | $640M | Not published |
| LinkedIn followers | 5,381 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Onyx Security | Rilian |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 63/100 | 49/100 |
| Traction | 60/100 | 37/100 |
| Team | 80/100 | 70/100 |
| Community | 42/100 | 8/100 |
| Search visibility | 77/100 | 18/100 |
| Quality | 58/100 | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (50/100) | F (20/100) |
| Domain ratingLink authority, 0-100 | 44/100 | 16/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Onyx Security | Rilian |
|---|---|---|
| Hosting | Not detected | Self Managed |
| CDN | Cloudflare | Not detected |
| CMS | Webflow | Not detected |
| Frameworks | Bootstrap | Bootstrap |
| Analytics | Google Analytics 4, Google Tag Manager | Google Analytics 4 |
| Support stack | HubSpot | Not detected |
What users say
| Measure | Onyx Security | Rilian |
|---|---|---|
| Community ratingVisitor votes on StartupHub | 2.1/5 from 7 votes | Not published |
| Reddit sentimentThreads we track | 2 positive, 0 negative across 2 threads | Not published |
“Onyx Security raises $113 million for AI agent control plane.”r/RuntimeWire
Onyx Security vs Rilian: common questions
Which is better, Onyx Security or Rilian?
On our 0-100 score Onyx Security rates higher (63/100 against 49/100). 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 19 data points above: read the rows that match what you are buying for.
How do Onyx Security and Rilian compare on the numbers?
Onyx Security leads on our overall score (63/100 against 49/100), agent readiness (50/100 against 20/100), domain rating (44/100 against 16/100), funding raised ($158M against $27.5M).
What do real users say about Onyx Security and Rilian?
Onyx Security: 2 positive and 0 negative mentions across 2 Reddit threads we track, mostly in r/RuntimeWire.
Read the full Onyx Security review and pricing or the Rilian review and pricing. You can also browse other Onyx Security alternatives we track.