# Page Not Found

The URL `wep-pen/owsap-top-10/cryptographic-failures/improper-following-of-a-certificates-chain-of-trust/understanding-digital-certificates-self-signed-and-ca-signed-certificate` does not exist.

You might be looking for one of these pages:
- [Understanding Digital Certificates :  Self-Signed and CA-Signed Certificate **](https://ahmed-tarek.gitbook.io/security-notes/owsap-top-10-2025/a04-cryptographic-failures/improper-following-of-a-certificates-chain-of-trust/understanding-digital-certificates-self-signed-and-ca-signed-certificate.md)
- [Transport Layer Security (TLS) and SSL **](https://ahmed-tarek.gitbook.io/security-notes/owsap-top-10-2025/a04-cryptographic-failures/improper-following-of-a-certificates-chain-of-trust/transport-layer-security-tls-and-ssl.md)
- [Improper Following of a Certificate's Chain of Trust](https://ahmed-tarek.gitbook.io/security-notes/owsap-top-10-2025/a04-cryptographic-failures/improper-following-of-a-certificates-chain-of-trust.md)
- [PRNG Failures and Predictable Secrets](https://ahmed-tarek.gitbook.io/security-notes/owsap-top-10-2025/a04-cryptographic-failures/prng-failures-and-predictable-secrets.md)
- [Sensitive Data in Error Messages and Debug Code](https://ahmed-tarek.gitbook.io/security-notes/owsap-top-10-2025/a10-mishandling-of-exceptional-conditions/sensitive-data-in-error-messages-and-debug-code.md)

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