INTERMEDIATE • Service Hardening

Clean ss Playbook: harden service-to-service trust boundaries #27

Lesson context: Service Hardening (Intermediate level). Clean ss Playbook: harden service-to-service trust boundaries #27 teaches a defensive workflow for ss with parameterized data access. Scenario: small e-commerce checkout (harden service-to-service trust boundaries). At Intermediate level, this lesson emphasizes practical controls and measurable risk reduction. Command focus: ss, openssl s_client, ufw; objective: harden service-to-service trust boundaries.