Custom Security Rules

Create custom vulnerability detection rules tailored to your organization's specific security requirements, coding standards, and compliance needs.

30 minutes to learn

Advanced users

New to custom rules? Start with our rule templates and gradually modify them to fit your specific needs. Test thoroughly before deploying.

Types of Custom Rules

Choose the type of custom rule that best fits your security requirements

Security Rules

Medium

Custom vulnerability detection patterns

SQL injection patterns

XSS detection

Authentication bypass

Encryption validation

Code Quality Rules

Easy

Code maintainability and best practices

Complexity limits

Naming conventions

Documentation requirements

Performance patterns

Compliance Rules

Hard

Industry-specific regulatory requirements

HIPAA data handling

PCI DSS requirements

GDPR compliance

SOX controls

Business Logic Rules

Medium

Organization-specific requirements

API rate limiting

Data validation

Access control

Audit logging

Creating Custom Rules

Step-by-step guide to creating effective security rules

Supported Rule Formats

YAML Rules

.yml

JSON Rules

.json

Common

Structured rule format

RegEx Patterns

.regex

Advanced

Pattern-based detection

AST Queries

.ast

Expert

Abstract syntax tree analysis

Best Practices

Do's

Start with existing rule templates
Include comprehensive metadata
Test thoroughly before deployment
Version control your custom rules
Document rule purpose and usage

Don'ts

Create overly broad patterns
Skip testing on real codebases
Ignore performance implications
Deploy without team review
Forget to update rule documentation

Rule Templates & Examples

Ready-to-use templates for common security scenarios

Security Templates

Common vulnerability patterns

Quality Templates

Code quality and standards

Compliance Templates

Industry compliance rules

Advanced Features

Rule Chaining

Combine multiple rules for complex vulnerability detection

depends_on: [rule-1, rule-2]

Conditional Logic

Apply rules based on file types, project structure, or context

when: file.ext == "js"

Custom Severity

Define organization-specific severity levels

severity: company-critical

Auto-Remediation

Suggest or apply automatic fixes for detected issues

fix: "replace with safe method"

Next Steps

Continue building your custom security rule library

Managing False Positives

Handle and reduce false positive results

Advanced Scan Configuration

Optimize scan settings and performance