Security & DevSecOps Practical By Samson Tanimawo, PhD Published Apr 5, 2026 4 min read

Shift-Left vs Shift-Right Security

Security at build time vs runtime. The trade-offs.

Shift-left

Catch issues at code/build time. Fast feedback.

SAST, dependency scanning, IaC scanning.

Catch issues at runtime. Real production signal.

Runtime sec, anomaly detection, traffic analysis.

Both

Layer them. Each catches what the other misses.

Defense in depth.