Intruder vs Synack
Intruder vs Synack, compared side by side on 20 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: Intruder is on 60/100 and Synack on 52/100.
Where each one leads
Intruder
- our overall score: 60/100 against 52/100
Synack
- agent readiness: 51/100 against 44/100
- funding raised: $107M against $63.0M
At a glance
| Measure | Intruder | Synack |
|---|---|---|
| What it is | Attack surface management company. | Crowdsourced security platform pairing ethical hackers with AI for continuous, scalable penetration testing. |
| Category | Cybersecurity, Attack Surface Management, Vulnerability Management, Penetration Testing | Cybersecurity, Penetration Testing, Vulnerability Management, Crowd-Sourced Security |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2015 | 2013 |
| Headquarters | London, United Kingdom | Redwood City, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Intruder | Synack |
|---|---|---|
| Employees | 84 | Not published |
| Open roles | Not published | 1 |
| Total funding | $63.0M | $107M |
| Latest round | Series B | Series D |
| Valuation | $1.1B | Not published |
| LinkedIn followers | 5,752 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Intruder | Synack |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 60/100 | 52/100 |
| Traction | 58/100 | 40/100 |
| Search visibility | 49/100 | 18/100 |
| Quality | 78/100 | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (44/100) | D (51/100) |
| Domain ratingLink authority, 0-100 | 73/100 | 72/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Intruder | Synack |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | Webflow | WordPress |
| Frameworks | Not detected | Jquery |
| Analytics | PostHog, Plausible | Google Analytics 4, Google Tag Manager |
| Support stack | Intercom | HubSpot |
| Open source | Yes | No |
Intruder vs Synack: common questions
Which is better, Intruder or Synack?
On our 0-100 score Intruder rates higher (60/100 against 52/100). 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 20 data points above: read the rows that match what you are buying for.
How do Intruder and Synack compare on the numbers?
Intruder leads on our overall score (60/100 against 52/100). Synack leads on agent readiness (51/100 against 44/100), funding raised ($107M against $63.0M).
Read the full Intruder review and pricing or the Synack review and pricing. You can also browse other Intruder alternatives we track.

