Program Overview
TransUnion LLC runs a vulnerability disclosure program on HackerOne. The program has 138 in-scope assets and is managed by HackerOne's triage team.
138
In-Scope Assets
6h
Avg Response
100%
Efficiency
91d
Avg Resolve
In-Scope Assets
| Asset | Type | Max Severity | Eligible |
|---|---|---|---|
| *.chile.transunion.com | WILDCARD | Critical | No Bounty |
| *.cibil.com | WILDCARD | Critical | No Bounty |
| *.cibilcreditreport.in | WILDCARD | Critical | No Bounty |
| *.crivo.com.br | WILDCARD | Critical | No Bounty |
| *.iovation.com | WILDCARD | Critical | No Bounty |
| *.neustar | WILDCARD | Critical | No Bounty |
| *.neustar.biz | WILDCARD | Critical | No Bounty |
| *.neustarcare.com | WILDCARD | Critical | No Bounty |
| *.npac.com | WILDCARD | Critical | No Bounty |
| *.sontiq.com | WILDCARD | Critical | No Bounty |
| *.transunion.ca | WILDCARD | Critical | No Bounty |
| *.transunion.co.br | WILDCARD | Critical | No Bounty |
| *.transunion.co.uk | WILDCARD | Critical | No Bounty |
| *.transunion.co.za | WILDCARD | Critical | No Bounty |
| *.transunion.com | WILDCARD | Critical | No Bounty |
| *.transunion.com.br | WILDCARD | Critical | No Bounty |
| *.transunion.com.do | WILDCARD | Critical | No Bounty |
| *.transunion.do | WILDCARD | Critical | No Bounty |
| *.transunion.hk | WILDCARD | Critical | No Bounty |
| *.transunion.mx | WILDCARD | Critical | No Bounty |
| *.transunion.ph | WILDCARD | Critical | No Bounty |
| *.transunionafrica.com | WILDCARD | Critical | No Bounty |
| *.transunioncentralamerica.com | WILDCARD | Critical | No Bounty |
| *.transunioncibil.com | WILDCARD | Critical | No Bounty |
| *.transuniondecisioncentre.co.in | WILDCARD | Critical | No Bounty |
| *.transunionsolutions.co.in | WILDCARD | Critical | No Bounty |
| *.truoptik.com | WILDCARD | Critical | No Bounty |
| *.tui.transunion.com | WILDCARD | Critical | No Bounty |
| *.zipcode.com.br | WILDCARD | Critical | No Bounty |
| 103.225.115.4 | IP_ADDRESS | Critical | No Bounty |
| 149.255.184.0/23 | CIDR | Critical | No Bounty |
| 149.255.185.0/23 | CIDR | Critical | No Bounty |
| 195.59.101.192/26 | CIDR | Critical | No Bounty |
| 217.68.20.116 | IP_ADDRESS | Critical | No Bounty |
| admin.prd-idfapi.aws3.ezshield.ws | URL | Critical | No Bounty |
| admin.stg-idfapi.aws3.ezshield.ws | URL | Critical | No Bounty |
| alertinfo.link | URL | Critical | No Bounty |
| altra-identitytheft911.org | URL | Critical | No Bounty |
| amfamprotect.com | URL | Critical | No Bounty |
| api.uat.ccid.neustar.biz | URL | Critical | No Bounty |
| argo-qa-perf-west-idp-nlb.dev.ccid.neustar.biz | URL | Critical | No Bounty |
| authn-west-qa-perf.dev.ccid.neustar.biz | URL | Critical | No Bounty |
| aws3.ezshield.ws | URL | Critical | No Bounty |
| breachresponse.ca | URL | Critical | No Bounty |
| breachresponse.com | URL | Critical | No Bounty |
| breachresponse.nl | URL | Critical | No Bounty |
| breachresponseeu.eu | URL | Critical | No Bounty |
| breachresponseuk.co.uk | URL | Critical | No Bounty |
| celinainsurance-idtheft.com | URL | Critical | No Bounty |
| ciam.tui.transunion.com | URL | Critical | No Bounty |
Showing 50 of 138 in-scope assets. View all on HackerOne.
Out-of-Scope Assets
- *.security.neustar
- http://customertest.drivershistory.com/dr3/api/dr30/getcombined
- https://customertest.drivershistory.com/currentversion5/wsdhilookup.asmx
- https://customertest.drivershistory.com/currentversion6/wssubjectprescreenplus.asmx
- legalplans-idtheft.com
Tips for Hacking TransUnion LLC
- 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 TransUnion LLC?
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 TransUnion LLC pay bounties?
No, TransUnion LLC runs a Vulnerability Disclosure Program (VDP) without monetary rewards. You may receive recognition or swag.
What types of vulnerabilities does TransUnion LLC accept?
TransUnion LLC accepts reports for vulnerabilities found in their 138 in-scope assets. Common accepted vulnerability types include XSS, SQL injection, SSRF, IDOR, authentication bypass, and RCE. Check the program policy for specific exclusions.