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Editor's pickLearn to prevent open redirect vulnerability with destination IDs, safe relative paths, strict URL allowlists, HTTP status codes, and testing guidance.
Learn what zero-day vulnerabilities are, how they differ from public disclosures and active exploitation, and how to scope, mitigate, patch, and investigate.
Learn how SQL injection changes query logic, then prevent it with parameterized queries, safe input handling, least privilege, and practical Python examples.
Explore the Equifax data breach, how patching and monitoring failures contributed, and practical lessons for asset inventories, verification, and response.