General
PromptBeginner5 minmarkdown
- Enum values validated against an explicit allowlist
not a blocklist
0
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Showing 24 of 111,796Categories: Coding & Debugging, Research & Learning, Cursor-rules, Data, General
General
PromptBeginner5 minmarkdown
- Implement temporal validation (expired tokens
past dates
0
General
PromptBeginner5 minmarkdown
- Implement file upload validation with magic byte verification
not just MIME type or extension
0
General
PromptBeginner5 minmarkdown
- Check for malicious patterns: excessively nested JSON
zip bombs
0
General
PromptBeginner5 minmarkdown
- Sanitize file names to remove path traversal sequences (../
%2e%2e/) and special characters
0
Data
PromptBeginner5 minmarkdown
- Apply context-aware output encoding (HTML entities for web
parameterization for SQL)
0
Data
PromptBeginner5 minmarkdown
- Implement custom validators for domain-specific data types (SKUs
account numbers
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Data
PromptBeginner5 minmarkdown
- Check data ranges (min/max for numbers)
lengths (min/max for strings)
0
General
PromptBeginner5 minmarkdown
- Validate complex structures (JSON
XML
0
Data
PromptBeginner5 minmarkdown
- Test with known attack payloads (OWASP testing guide
SQL injection cheat sheets)
0
General
PromptBeginner5 minmarkdown
- Verify edge cases: empty strings
nulls
0
Data
PromptBeginner5 minmarkdown
- Never expose stack traces
database errors
0
General
PromptBeginner5 minmarkdown
- Validate and sanitize file uploads for type (magic bytes
not just extension)
0
Coding & Debugging
PromptBeginner5 minmarkdown
- Encode output based on context (HTML encoding
URL encoding
0
Data
PromptBeginner5 minmarkdown
- **Database-level validation**: Constraints (NOT NULL
UNIQUE
0
General
PromptBeginner5 minmarkdown
- Normalize whitespace
trim leading/trailing spaces
0
General
PromptBeginner5 minmarkdown
- **Schema validation**: JSON Schema
Zod
0
General
PromptBeginner5 minmarkdown
- Map validation rules to the appropriate layer (client
server
0
General
PromptBeginner5 minmarkdown
- Assess security threat model (injection vectors
abuse scenarios
0
Data
PromptBeginner5 minmarkdown
- Document expected data formats
types
0
Coding & Debugging
PromptBeginner5 minmarkdown
- Identify all data entry points (forms
APIs
0
General
PromptBeginner5 minmarkdown
- **Optimize validation performance** using fail-fast ordering
caching for expensive checks
0
General
PromptBeginner5 minmarkdown
- **Enforce strict type checking** with explicit type conversion
format validation
0
Coding & Debugging
PromptBeginner5 minmarkdown
- **Prevent injection attacks** through SQL parameterization
XSS escaping
0