S4E alternatives 2026: 10 providers compared
S4E is a provider headquartered in Türkiye and was included in this comparison through Türkiye-linked providers. Its overall score is 18.4 out of 100, ranking 59th among 100 providers.
- Published
- Scanned
- 3–4 November 2026
- Infostealer score source
- The Infostealer Index 2026, 12 October 2026
- Overall score and rank
- 18.4 / 100 · 59th of 100
- Infostealer
- Not in the index
- Third-party risk
- 0 / 10 · 54th of 98
- Phishing and brand protection
- 2 / 10 · 42nd of 98
- Executive protection
- 0 / 10 · 28th of 98
- Attack surface management
- 8 / 10 · 16th of 98
- API
- 10 / 10 · Public documentation
- Country
- Türkiye
- Selection source
- Türkiye-linked providers
- Website scanned
- s4e.io
S4E score profile
- Infostealer
- Not in the index
- Third-party risk
- 0 / 10 · average 2.8
- Phishing and brand protection
- 2 / 10 · average 3.7
- Executive protection
- 0 / 10 · average 1.6
- Attack surface management
- 8 / 10 · average 4.9
- API
- 10 / 10 · average 5.3
Each average is calculated from the providers measured in that category.
S4E ranks 59th among 100 providers with an overall score of 18.4, placing it in the lower half. It shares the same overall score with SwordSec, Microsoft, CyCognito and 3 more providers. The next score up belongs to Farnsworth Intelligence (19.4, 1.0 points higher). The next score down belongs to LeakCheck (16.9, 1.5 points lower).
Among the 24 providers selected through the same source (Türkiye-linked providers), it ranks 7th. The highest overall score in the group belongs to Dark Radar (94.0), 75.6 points above. Among the 23 providers headquartered in Türkiye it ranks 8th; the closest scores in that list belong to SwordSec (18.4) and TrySec (15.8).
Because it is not in the index, the infostealer contribution is 0; of its overall score of 18.4, 13.1 points come from the four product categories and 5.3 from the API score. It is one of 37 providers with public API documentation.
It scores above the average of 98 providers in 1 of the four product categories: attack surface management. Its strongest category relative to the average is attack surface management: 8 / 10 against an average of 4.9. It falls furthest below the average in third-party risk: 0 / 10 against 2.8. Its best category rank is in attack surface management: 16th, shared with 18 providers.
Its score distribution is closest to Censys: overall score 21.1, with the same score in 3 of the four categories.
Why look for alternatives
- No infostealer score: the provider is not listed in The Infostealer Index 2026.
- No capability was identified on the scanned pages in third-party risk and executive protection.
- Phishing and brand protection: 1 of five capabilities identified (2 / 10).
- Attack surface management: 4 of five capabilities identified (8 / 10).
10 closest alternatives
The list is drawn from providers that score in S4E’s strongest categories (attack surface management): the 3 with the highest overall score and the 7 whose overall score is closest to S4E.
- Dark Radar94.0
- Bitsight (Cybersixgill)72.3
- NordStellar69.9
- S4E18.4
- SwordSec18.4
- Microsoft18.4
- CyCognito18.4
- Intruder18.4
- Hadrian18.4
- Detectify18.4
- TrySec15.8
- 1
Dark Radar
Overall score 94.0 (1st; 75.6 points above S4E). Scores higher than S4E in third-party risk (9 vs S4E 0), phishing and brand protection (9 vs S4E 2), executive protection (9 vs S4E 0) and attack surface management (9 vs S4E 8).
Türkiye · Website scanned: darkradar.com
- 2
Bitsight (Cybersixgill)
Overall score 72.3 (2nd; 53.9 points above S4E). Scores higher than S4E in third-party risk (10 vs S4E 0), phishing and brand protection (10 vs S4E 2) and executive protection (8 vs S4E 0).
United States · Website scanned: bitsight.com
- 3
NordStellar
Overall score 69.9 (3rd; 51.5 points above S4E). Scores higher than S4E in phishing and brand protection (10 vs S4E 2) and executive protection (10 vs S4E 0).
Lithuania · Website scanned: nordstellar.com
- 4
SwordSec
Overall score 18.4 (59th; same as S4E). Scores higher than S4E in phishing and brand protection (8 vs S4E 2). Scores lower in attack surface management (6 vs S4E 8). API: no documentation found.
Türkiye · Website scanned: swordsec.com
- 5
Microsoft
Overall score 18.4 (59th; same as S4E). Scores higher than S4E in third-party risk (4 vs S4E 0). Scores lower in attack surface management (4 vs S4E 8).
United States · Website scanned: Microsoft Defender EASM page
- 6
CyCognito
Overall score 18.4 (59th; same as S4E). Scores higher than S4E in third-party risk (2 vs S4E 0) and attack surface management (10 vs S4E 8). Scores lower in phishing and brand protection (0 vs S4E 2). API: behind a login or contract.
United States · Website scanned: cycognito.com
- 7
Intruder
Overall score 18.4 (59th; same as S4E). Scores higher than S4E in attack surface management (10 vs S4E 8). Scores lower in phishing and brand protection (0 vs S4E 2).
United Kingdom · Website scanned: intruder.io
- 8
Hadrian
Overall score 18.4 (59th; same as S4E). Scores higher than S4E in third-party risk (2 vs S4E 0) and attack surface management (10 vs S4E 8). Scores lower in phishing and brand protection (0 vs S4E 2). API: behind a login or contract.
Netherlands · Website scanned: hadrian.io
- 9
Detectify
Overall score 18.4 (59th; same as S4E). Scores higher than S4E in attack surface management (10 vs S4E 8). Scores lower in phishing and brand protection (0 vs S4E 2).
Sweden · Website scanned: detectify.com
- 10
TrySec
Overall score 15.8 (69th; 2.6 points below S4E). Scores higher than S4E in phishing and brand protection (4 vs S4E 2). API: no documentation found.
Türkiye · Website scanned: trysec.com
S4E vs Dark Radar, Bitsight (Cybersixgill) and NordStellar
| Criterion | S4E | Dark Radar | Bitsight (Cybersixgill) | NordStellar |
|---|---|---|---|---|
| Overall score | 18.4 | 94.0 | 72.3 | 69.9 |
| Overall rank | 59th | 1st | 2nd | 3rd |
| Infostealer score | – | 98.2 | 46.7 | 66.1 |
| Infostealer focus (15%) | – | 9 | 4 | 6 |
| Device-level infection details (15%) | – | 10 | 5 | 8 |
| Employee, customer and supplier segmentation (12%) | – | 10 | 4 | 6 |
| Session cookie and token coverage (10%) | – | 10 | 5 | 9 |
| Collection timeliness (10%) | – | 10 | 7 | 7 |
| Published research (10%) | – | 10 | 7 | 6 |
| Free access (10%) | – | 10 | 1 | 4 |
| Third-party risk | 0 | 9 | 10 | 0 |
| Phishing and brand protection | 2 | 9 | 10 | 10 |
| Executive protection | 0 | 9 | 8 | 10 |
| Attack surface management | 8 | 9 | 8 | 8 |
| API | 10 | 10 | 10 | 10 |
| Country | Türkiye | Türkiye | United States | Lithuania |
| Selection source | Türkiye-linked providers | Türkiye-linked providers | The Infostealer Index 2026 | The Infostealer Index 2026 |
Overall and infostealer scores are out of 100; criterion and category scores are out of 10. “–” means the component could not be measured.
Related pages
This comparison was prepared through web scanning and source review carried out with Claude Opus 5.5.