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diff --git a/doc/user/application_security/dast/checks/359.2.md b/doc/user/application_security/dast/checks/359.2.md new file mode 100644 index 00000000000..beb99e26097 --- /dev/null +++ b/doc/user/application_security/dast/checks/359.2.md @@ -0,0 +1,34 @@ +--- +stage: Secure +group: Dynamic Analysis +info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments +--- + +# Exposure of Private Personal Information (PII) to an unauthorized actor (United States social security number) + +## Description + +The target application was found to return social security number (SSN) information in the response. Organizations +found returning such information may be in violation of (United States) state or federal laws and may face stiff penalties. + +## Remediation + +PII such as social security numbers should never be directly returned to the user. The majority of the information +should masked except the last few digits or characters of the identifier. For example, social security numbers +only be displayed with the last four digits: `***-**-1234`. Ensure this masking is done on the server +and only then send the masked data back to the client. Do not rely on client side JavaScript or other methods +to mask these values as the data could still be intercepted or unmasked. + +Additionally, social security numbers should never be stored un-encrypted in files or databases. + +## Details + +| ID | Aggregated | CWE | Type | Risk | +|:---|:--------|:--------|:--------|:--------| +| 359.2 | true | 359 | Passive | Medium | + +## Links + +- [OWASP Top 10 A3 2017 - Sensitive Data Exposure](https://owasp.org/www-project-top-ten/2017/A3_2017-Sensitive_Data_Exposure) +- [CWE](https://cwe.mitre.org/data/definitions/359.html) +- [Privacy Act (CMPPA)](https://www.ssa.gov/dataexchange/privacyinfo.html) |