Security basics every business application should ship with
No application is perfectly secure. But most breaches exploit basics that were skipped, not exotic flaws.
Trillune Engineering6 min read
Security conversations can drift quickly toward sophisticated threats. In practice, many incidents trace back to fundamentals that were left for later. These are the practices we treat as non-negotiable in any business application.
The baseline
- Validate every input on the server, regardless of client-side checks
- Enforce authorization on every request, not just in the interface
- Keep secrets in a secrets manager or environment — never in the repository
- Use HTTPS everywhere, with HSTS and sensible security headers
- Rate-limit authentication and public forms
- Keep dependencies updated and monitored for known vulnerabilities
- Log security-relevant events, and back up data with tested restores
Use the OWASP lists as a checklist, not a certificate
The OWASP Top 10 and the Application Security Verification Standard are useful references for what to check. Aligning with them is good practice; it isn't the same as a formal audit or certification, and shouldn't be presented as one.
Security isn't a feature added at the end. It's a set of habits built into how software is designed, written and operated.