SIFUNACODEX
LAB.

Build a retrieval-augmented generation system with custom document embeddings for domain-specific Q&A.

Python 3.11, Linux

Ingest technical documentation, chunk with semantic splitting, embed and store in vector database. Build retrieval pipeline with re-ranking.

Successfully built a RAG system that retrieves contextually relevant information from technical documentation with high accuracy.

Understanding chunking strategies, embedding quality impact and retrieval optimization techniques.

Practice OWASP Top 10 vulnerability identification and exploitation in a controlled lab environment.

Kali Linux, DVWA, Burp Suite

Systematically test for injection flaws, XSS, CSRF, broken authentication and other OWASP Top 10 vulnerabilities.

Identified and documented vulnerabilities across multiple categories with remediation guidance.

Hands-on understanding of web vulnerabilities, attack vectors and defensive measures.

Implement a GitHub Actions pipeline with integrated security scanning at every stage.

GitHub Actions, Docker, Linux

Configure pipeline stages: lint, test, SAST, dependency scan, build, container scan, deploy. Measure time and security coverage.

Achieved automated security scanning with zero critical vulnerabilities reaching the build stage.

Pipeline optimization, security gate configuration and container security best practices.

Deploy and manage a multi-container application on a Kubernetes cluster.

Ubuntu 22.04, Minikube

Set up Minikube cluster, deploy multi-service application with ingress, scaling and health checks.

Successfully deployed and scaled a microservices application with rolling updates and service discovery.

Kubernetes networking, resource management, deployment strategies and troubleshooting.

Capture and analyze network traffic to identify patterns, anomalies and potential threats.

Linux, Wireshark

Capture network packets, apply filters, analyze protocols and identify suspicious traffic patterns.

Built systematic traffic analysis skills with ability to identify common attack patterns.

Protocol analysis, traffic pattern recognition and network security monitoring fundamentals.

Build an IoT sensor network with MQTT communication and cloud data aggregation.

Raspberry Pi, Arduino, Linux

Deploy temperature/humidity sensors, establish MQTT communication, store data and build monitoring dashboard.

Working sensor network with real-time data visualization and alerting capabilities.

IoT protocols, edge computing concepts, sensor data processing and IoT security considerations.