Predefined profiles
Cloudflare Zero Trust provides predefined DLP profiles for common types of sensitive data. Some profiles include built-in validation checks to increase detection granularity. Additionally, you can configure advanced settings for predefined profiles.
Financial information
Credit card numbers begin with a six or eight-digit Issuer Identification Number (IIN) and are followed by up to 23 additional digits. CVVs are not validated.
| Detection entry | Notes |
|---|---|
| American Express Card Number | Validated using Luhn’s algorithm. |
| American Express Text | Text matching amex or american express. |
| Diners Club Card Number | Validated using Luhn’s algorithm. |
| Generic CVV Card Number | Validated with regex. |
| Mastercard Card Number | Validated using Luhn’s algorithm. |
| Mastercard Text | Text matching mastercard. |
| Union Pay Card Number | Validated using Luhn’s algorithm. |
| Union Pay Text | Text matching union pay. |
| Visa Card Number | Validated using Luhn’s algorithm. |
| Visa Text | Text matching visa. |
| United States ABA Routing Number | Validated algorithmically with checksum. |
| IBAN | Validated with checksum. |
National identifiers
Detections are validated algorithmically when possible.
| Detection entry | Notes |
|---|---|
| United States SSN Numeric Detection | Commonly used separators are required to match the detection entry. For example, 000-00-0000 matches but 000000000 does not. Social security numbers do not adhere to algorithmic validation. |
| Social Security Number Text | Text matching ssn or social security. |
| Australia Tax File Number | Validated with checksum. |
| Canada Social Insurance Number | Validated using Luhn’s algorithm. |
| France Social Security Number | Validated with regex. |
| Singapore National Registration Identity Card Number | Validated with checksum. |
| Taiwan National Identification Number | Validated with checksum. |
| United Kingdom NHS Number | Validated with checksum. |
| United Kingdom National Insurance Number | Validated with regex. |
Credentials and secrets
The following secrets are validated with regex.
- Google Cloud Platform keys
- AWS keys
- Azure API keys
- SSH keys
Source code
The following programming languages are validated with natural language processing (NLP).
- C
- C++
- C#
- Go
- Haskell
- Java
- JavaScript
- Lua
- Python
- R
- Rust
- Swift