Security & Reliability
A system is only as good as its weakest link. Learn to design for security, compliance, disaster recovery, and operational excellence.
System Security: Authentication, Authorization, and Common Vulnerabilities
Learn essential security concepts including authentication methods, authorization patterns, common vulnerabilities (OWASP Top 10), and secure system design.
Reliability Patterns: Circuit Breakers, Retries, Fallbacks, and Graceful Degradation
Learn how to build reliable systems that handle failures gracefully. Cover circuit breakers, retry strategies, timeouts, bulkheads, and graceful degradation patterns.
Data Encryption and Secrets Management: At Rest, In Transit, and Everywhere Between
Learn encryption at rest and in transit, symmetric vs asymmetric cryptography, envelope encryption and KMS, secrets management with Vault, key rotation, HSMs, and field-level encryption.
DDoS Protection and Web Application Firewalls: Defending the Edge
Learn DDoS attack categories (volumetric, protocol, application-layer), mitigation architecture with scrubbing centers and anycast, WAF rules for SQLi/XSS/CSRF, bot detection, and CAPTCHA tradeoffs.
Disaster Recovery and Backups: RPO, RTO, Multi-Region Failover, and DR Testing
Learn how to design for disaster recovery: RPO vs RTO, full/incremental/differential backup strategies, multi-region failover architecture, active-active vs active-passive, DR tiers, and game-day testing.
Compliance and Data Governance: GDPR, HIPAA, PCI-DSS, and Data Sovereignty
Learn how regulatory frameworks like GDPR, HIPAA, and PCI-DSS shape system design, plus data classification, retention policies, audit logging, and cross-border data transfer.