Salt Security vs Source Defense
Salt Security vs Source Defense, compared side by side on 22 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: Salt Security is on 69/100 and Source Defense on 61/100.
Where each one leads
Salt Security
- our overall score: 69/100 against 61/100
- agent readiness: 51/100 against 39/100
- domain rating: 72/100 against 51/100
- headcount: 207 against 50
- headcount growth: +0.3% against -1.1%
- funding raised: $270M against $47.5M
- LinkedIn following: 27,879 against 2,435
Source Defense
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Salt Security | Source Defense |
|---|---|---|
| What it is | API security platform using AI and big data to detect and prevent API attacks. | Source Defense protects websites from client-side supply chain attacks by isolating third-party scripts in real-time. |
| Category | Enterprise, Cybersecurity, Web Security, API | Enterprise, Cybersecurity, Client-Side Security, Web Security |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software |
| Founded | 2016 | 2016 |
| Headquarters | Palo Alto, United States | Tel Aviv, Israel |
| Status | Active | Active |
Size, funding and growth
| Measure | Salt Security | Source Defense |
|---|---|---|
| Employees | 207 | 50 |
| Headcount growthLast 12 months | +0.3% | -1.1% |
| Total funding | $270M | $47.5M |
| Latest round | Series D | Series B |
| Valuation | $1.4B | Not published |
| LinkedIn followers | 27,879 | 2,435 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Salt Security | Source Defense |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 69/100 | 61/100 |
| Traction | 60/100 | 55/100 |
| Team | 70/100 | 60/100 |
| Search visibility | 35/100 | 37/100 |
| Quality | 78/100 | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (51/100) | F (39/100) |
| Domain ratingLink authority, 0-100 | 72/100 | 51/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Salt Security | Source Defense |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | Webflow | WordPress |
| Frameworks | Not detected | Jquery, Bootstrap |
| Analytics | Google Tag Manager, Microsoft Clarity | Google Tag Manager |
| Support stack | Not detected | HubSpot |
Salt Security vs Source Defense: common questions
Which is better, Salt Security or Source Defense?
On our 0-100 score Salt Security rates higher (69/100 against 61/100). 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 22 data points above: read the rows that match what you are buying for.
How do Salt Security and Source Defense compare on the numbers?
Salt Security leads on our overall score (69/100 against 61/100), agent readiness (51/100 against 39/100), domain rating (72/100 against 51/100), headcount (207 against 50), headcount growth (+0.3% against -1.1%), funding raised ($270M against $47.5M), LinkedIn following (27,879 against 2,435).
Read the full Salt Security review and pricing or the Source Defense review and pricing. You can also browse other Salt Security alternatives we track.