Backslash Security vs Onyx Security
Backslash Security vs Onyx Security, compared side by side on 24 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: Backslash Security is on 56/100 and Onyx Security on 63/100.
Where each one leads
Backslash Security
- agent readiness: 61/100 against 50/100
- domain rating: 55/100 against 44/100
Onyx Security
- our overall score: 63/100 against 56/100
- headcount: 98 against 40
- headcount growth: +75.5% against +30.8%
- funding raised: $153M against $27.0M
At a glance
| Measure | Backslash Security | Onyx Security |
|---|---|---|
| What it is | Agentic endpoint security for AI coding, providing visibility, governance, and real-time protection. | A secure AI control plane platform for discovering, monitoring, and governing enterprise AI agents. |
| Category | Cybersecurity, Enterprise, AppSec, Application Security Posture Management (ASPM) | AI Governance, AI Observability, Cybersecurity, Agentic AI |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Platform |
| Founded | 2022 | 2024 |
| Headquarters | Tel Aviv, Israel | Tel Aviv, Israel |
| Status | Active | Active |
Size, funding and growth
| Measure | Backslash Security | Onyx Security |
|---|---|---|
| Employees | 40 | 98 |
| Headcount growthLast 12 months | +30.8% | +75.5% |
| Open roles | Not published | 11 |
| Total funding | $27.0M | $153M |
| Latest round | Series A | Series B |
| Valuation | Not published | $640M |
| LinkedIn followers | 4,739 | 5,381 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Backslash Security | Onyx Security |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 56/100 | 63/100 |
| Traction | 53/100 | 60/100 |
| Team | 60/100 | 80/100 |
| Community | Not published | 42/100 |
| Search visibility | 41/100 | 77/100 |
| Quality | 58/100 | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | C (61/100) | D (50/100) |
| Domain ratingLink authority, 0-100 | 55/100 | 44/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Backslash Security | Onyx Security |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | Webflow | Webflow |
| Frameworks | Not detected | Bootstrap |
| Analytics | Google Tag Manager, Mixpanel, Linkedin Insight | Google Analytics 4, Google Tag Manager |
| Support stack | HubSpot | HubSpot |
| Open source | Yes | No |
What users say
| Measure | Backslash Security | 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
Backslash Security vs Onyx Security: common questions
Which is better, Backslash Security or Onyx Security?
On our 0-100 score Onyx Security rates higher (63/100 against 56/100). 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 24 data points above: read the rows that match what you are buying for.
How do Backslash Security and Onyx Security compare on the numbers?
Backslash Security leads on agent readiness (61/100 against 50/100), domain rating (55/100 against 44/100). Onyx Security leads on our overall score (63/100 against 56/100), headcount (98 against 40), headcount growth (+75.5% against +30.8%), funding raised ($153M against $27.0M).
What do real users say about Backslash Security and Onyx Security?
Onyx Security: 2 positive and 0 negative mentions across 2 Reddit threads we track, mostly in r/RuntimeWire.
Read the full Backslash Security review and pricing or the Onyx Security review and pricing. You can also browse other Backslash Security alternatives we track.