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SSL/TLS Testing

SSL/TLS testing verifies that a system's encrypted connections are correctly configured — valid, non-expired certificates, strong cipher suites, no support for deprecated or broken protocol versions — protecting data in transit between a client and server from interception or tampering.

A surprisingly common failure isn't the absence of encryption but weak or outdated configuration: support for deprecated protocol versions (old TLS or SSL versions with known vulnerabilities), weak cipher suites, or certificates that are expired, self-signed in production, or don't match the domain — each individually undermining the protection encryption is supposed to provide.

Automated tools (SSL Labs' testing service is a well-known free one) can scan a domain's TLS configuration and grade it against current best practices in seconds, making this one of the cheaper, faster security checks to run regularly compared to a full penetration test.

SSL/TLS Testing — Definition, Example & How It's Used | QA Bash Glossary | QA Bash