DevSecOps Cycle Overview: Integrating Security into DevOps

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In today’s rapidly evolving digital landscape, integrating security at every phase of the development lifecycle is no longer optional—it’s essential. DevSecOps ensures security is a foundational component throughout the entire DevOps process.

Operate & Monitor

  • RASP (Runtime Application Self-Protection): Continuously monitors and protects applications in real-time.
  • Audit: Regularly review logs and activities for compliance and security gaps.
  • Monitor: Detect anomalies using tools like SIEM (Security Information and Event Management).
  • Patch: Apply updates promptly to fix vulnerabilities.

You Should Know:

 Linux: Check for pending security updates 
sudo apt update && sudo apt list --upgradable

Windows: Check for pending updates 
wmic qfe list brief /format:table

Automate patching with Ansible 
ansible all -m apt -a "upgrade=dist" --become

Test

  • IAST (Interactive Application Security Testing): Combines dynamic and static analysis.
  • DAST (Dynamic Application Security Testing): Scans running applications for vulnerabilities.
  • Pentest (Penetration Testing): Simulates attacks to identify weaknesses.

You Should Know:

 Run OWASP ZAP for DAST 
docker run -v $(pwd):/zap/wrk -t owasp/zap2docker zap-baseline.py -t https://example.com

Use Metasploit for penetration testing 
msfconsole 
use exploit/multi/handler 
set payload windows/meterpreter/reverse_tcp 
exploit

Build

  • SAST (Static Application Security Testing): Scans source code for vulnerabilities.
  • SCA (Software Composition Analysis): Checks third-party dependencies.
  • Secret Management: Secures API keys, passwords, and certificates.

You Should Know:

 Use TruffleHog to scan for secrets in Git repos 
trufflehog git --repo-url https://github.com/user/repo

Hashicorp Vault for secret management 
vault kv put secret/api_key value=12345

Develop

  • Secure Coding: Follow OWASP guidelines.
  • Code Authentication: Verify code integrity.
  • Repository Access Control: Restrict unauthorized access.

You Should Know:

 Git pre-commit hook for security scanning 
!/bin/sh 
semgrep --config=p/security-audit

Design

  • Secure SDLC: Embed security in every phase.
  • Threat Modeling: Identify risks early.

Deploy

  • Hardening: Minimize attack surfaces.
  • Config Management: Ensure secure settings.

You Should Know:

 Linux hardening with CIS benchmarks 
sudo apt install lynis 
sudo lynis audit system

Windows hardening with PowerShell 
Set-NetFirewallProfile -Enabled True -DefaultInboundAction Block

What Undercode Say

DevSecOps is not just a trend—it’s a necessity. By embedding security early, organizations reduce risks and improve compliance. Automation, continuous monitoring, and proactive threat modeling are key.

Prediction

As cyber threats evolve, AI-driven security automation will dominate DevSecOps, reducing human intervention in vulnerability detection and patching.

Expected Output:

A secure, automated, and compliant DevOps pipeline with integrated security at every stage.

Relevant URLs:

References:

Reported By: Satya619 Linux – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

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