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Discover **OWASP Top 10 A05: Security Misconfiguration**—the vulnerability behind 90% of successful attacks. From exposed databases and default passwords to unpatched systems and unnecessary services, this video reveals why misconfigurations are hackers' favorite entry point and how to lock them down. Learn what security misconfiguration really means, common mistakes like verbose error messages leaking stack traces, open cloud storage buckets (Amazon S3 disasters), and missing security headers. See real examples: admin panels left on default credentials, debug modes in production, and outdated software creating massive attack surfaces. Key defense strategies include hardening configurations, automated security scanning, least privilege access, regular patching cycles, disabling unused features, and proper secrets management (environment variables, vaults). Developers and DevOps engineers: Stop giving attackers easy wins—secure your configs from day one. 👉 Subscribe for OWASP Top 10 series, cloud security, DevSecOps tutorials, and cybersecurity certifications (Security+, CEH, CISSP). 👉 Like & comment: What's your biggest config nightmare? 👉 Next: Vulnerable and Outdated Components breakdown! Timestamps: 0:00 - Config Mistakes That Cost Millions 0:45 - What Is Security Misconfiguration? 1:30 - Common Examples: Defaults, Debug, Exposed Secrets 2:45 - Real Breaches: S3 Buckets & Admin Panels 3:30 - Attack Surface Analysis 4:15 - Hardening Best Practices 5:00 - Automation & Scanning Tools 5:45 - Key Takeaways #OWASPTop10 #SecurityMisconfiguration #CyberSecurity #CloudSecurity #DevSecOps