Program Overview
S-Pankki runs a bug bounty program on HackerOne. The program has 14 in-scope assets and is managed by HackerOne's triage team.
In-Scope Assets
| Asset | Type | Max Severity | Eligible |
|---|---|---|---|
| 740514933 | APPLE_STORE_APP_ID | Critical | Bounty |
| api.s-kaupat.fi | URL | Critical | Bounty |
| api.sokos.fi | URL | Critical | Bounty |
| digili.s-cloud.fi | URL | Critical | Bounty |
| extranet.s-pankki.fi | URL | Critical | Bounty |
| fi.spankki | GOOGLE_PLAY_APP_ID | Critical | Bounty |
| https://crosskey.io/stores/s-pankki/apis | URL | Critical | Bounty |
| mobile.s-pankki.fi | URL | Critical | Bounty |
| online.s-pankki.fi | URL | Critical | Bounty |
| tunnistus.s-ryhma.fi | URL | Critical | Bounty |
| www.prisma.fi | URL | Critical | Bounty |
| www.s-kaupat.fi | URL | Critical | Bounty |
| www.s-pankki.fi | URL | Critical | Bounty |
| www.sokos.fi | URL | Critical | Bounty |
Tips for Hacking S-Pankki
- Read the policy — Understand what's in scope, out of scope, and any specific testing restrictions before you start.
- Enumerate the attack surface — Use subdomain enumeration and directory bruteforcing to map all accessible endpoints.
- Focus on high-impact bugs — Look for SQL injection, SSRF, and IDOR vulnerabilities first.
- Test authentication flows — Check for OAuth misconfigurations and CSRF in login/signup flows.
- Write clear reports — Include steps to reproduce, impact assessment, and suggested remediation. Use Burp Suite to capture evidence.
Frequently Asked Questions
How do I start hacking S-Pankki?
Sign up on HackerOne, read the program policy carefully, review the in-scope assets listed above, and start testing. Always stay within scope and follow responsible disclosure guidelines.
Does S-Pankki pay bounties?
Yes, S-Pankki offers monetary rewards for valid security vulnerabilities.
What types of vulnerabilities does S-Pankki accept?
S-Pankki accepts reports for vulnerabilities found in their 14 in-scope assets. Common accepted vulnerability types include XSS, SQL injection, SSRF, IDOR, authentication bypass, and RCE. Check the program policy for specific exclusions.