What are data security fundamentals for developers?

Core: encrypt transit (TLS 1.3), at-rest (proper keys), no plain-text creds, patch fast, least-privilege everywhere.

How to prevent data breaches in production?

Layered: vaults for secrets, scans in CI, immutable audits, chaos-test breaches, rotate everything.

Nope—pair with input validation, auth hardening, dep monitoring. It's architecture, not a checkbox.

A hacker opens a spreadsheet. Millions in damage. That's not InfoSec's fault—it's a dev decision haunting Sony to this day.

theAIcatchup Apr 09, 2026 3 min read

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#breach lessons #breaches #data breaches #data security #developer guide #developer security #encryption #encryption basics #encryption best practices

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Originally reported by dev.to