Security
Security Engineering is the practice of designing and implementing systems to protect against attack, data theft, and unauthorised access. With data breaches costing companies millions and regulatory penalties escalating, security skills are among the highest-value and most recession-proof specialisations in software engineering.
What is Security?
Security covers a broad landscape: application security (OWASP Top 10, input validation, SQLi/XSS prevention), authentication and authorisation (OAuth2, JWT, RBAC), cryptography fundamentals, penetration testing and vulnerability assessment, secure SDLC practices, secrets management, cloud security configuration, threat modelling, and incident response. Tools include Burp Suite, OWASP ZAP, SAST/DAST scanners, and vault solutions for secrets.
Why Security matters for your career
Every software system is a potential attack surface. Engineers with security knowledge prevent vulnerabilities that can destroy companies overnight — a single data breach can cost $4M+ in direct costs according to IBM research. Security skills are required for any company handling sensitive data, payment information, or personal health records.
Career paths using Security
Security skills support careers as Application Security Engineer, DevSecOps Engineer, Penetration Tester, Security Analyst, Cloud Security Architect, and CISO. Regulatory compliance in fintech and healthcare makes security specialists essential in those sectors.
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Frequently asked questions
What is the OWASP Top 10?▼
The OWASP Top 10 is the definitive list of the most critical web application security risks: injection attacks, broken authentication, sensitive data exposure, XML external entities, broken access control, security misconfiguration, XSS, insecure deserialisation, known vulnerabilities, and insufficient logging. Every developer should understand these.
Is security a good specialisation for career growth?▼
Excellent. Cybersecurity skills command premium compensation, have very low unemployment, and grow in importance every year as attacks increase in sophistication and frequency.
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