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Cloud Native Security Fundamentals Cloud native systems rely on containers, orchestration, and cloud services. Protecting them means designing security into every layer from the start. This defense-in-depth mindset helps reduce risk, detect threats early, and recover quickly. In practice, teams implement secure defaults in infrastructure as code, gate changes in CI/CD, and enforce encryption by default at rest and in transit. Key pillars you should apply every day: Identity and access management (IAM) with least privilege and short‑lived credentials; review roles regularly. Policy as code and automated governance to enforce rules consistently (OPA, Gatekeeper, policies in Git). Secrets management and encryption in transit and at rest; rotate keys, avoid hard-coded credentials, and use vaults or managed services. Guarding the build and supply chain matters too. Use signed images, SBOMs, vulnerability scanning in CI/CD, and enforce reproducible builds. Pin dependencies, monitor for advisories, and require trusted registries so public risk does not flow into production. ...

Application Security: From Dev to Run Security is not a single step. It is a continuous mindset across the software lifecycle. By planning for security early, teams reduce risk and save time later. This article offers practical steps to move security from development to production in a calm, doable way. Plan and Model Threats Start with a light threat model. Identify who might attack and what they could target: data, logic, or access. Map controls to risks. Use simple diagrams or checklists to keep focus. Align to common risks like broken access control, insecure data, and misconfigurations. Build with Secure Coding and Scanning Use secure defaults and guardrails in code reviews. Integrate tools in CI: SAST, dependency checks, and license risk scans. Keep libraries up to date and require SBOMs for traceability. Enforce pull requests that include security notes and clear remediation steps. Test and Verify Run dynamic tests and fuzzing in a staging environment. Include security tests in your test plan, not only functional ones. Automate vulnerability checks and assign owners for fixes. Practice shift-left: fix issues early, not after release. Run with Guardrails and Observability Secrets should live in a vault, not in code or config files. Enforce least privilege in containers and services. Monitor for unusual activity and track vulnerabilities over time. Use SBOMs to understand supply chain risk during incidents. Examples and Small Wins Add a pre-commit hook that blocks known bad patterns. Use signed images and image provenance to prevent tampering. Schedule monthly dependency audits and patch days. Keep incident playbooks simple so teams can respond quickly. The goal is a safe, fast flow. Security should be a natural part of the pipeline, not a separate hurdle. When teams share ownership across development and operations, security becomes a built-in feature, not an afterthought. ...