Guide for fullstack devs on protecting sensitive data with encryption at rest and in transit, focusing on TLS/SSL (TLS 1.3) to ensure confidentiality, integrity, and authenticity. Covers handshakes, obtaining certs, configuring servers, enabling HTTPS, strong ciphers (AES-256), rotating certificates, and log monitoring, with an e-commerce example showing end-to-end secure flows.
A practical guide for full-stack devs to harden web apps: implement strong authentication (salted hashes, rate limiting, JWT/OAuth) and least-privilege RBAC; validate and sanitize input; encrypt data via HTTPS and at rest. Watch for SQLi, XSS, CSRF, plus SSRF and insecure deserialization. Reinforce with WAFs, dependency updates, and regular audits/pen tests, with an e-commerce workflow illustrating these practices.
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