Simplifying Python, Networking, Security, and Virtualization concepts.

Sharing knowledge and experiences in networking, security, certifications (CCNA to CCIE), scripting, testing, virtualization, Kubernetes, and the cloud.

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Tuesday, September 23, 2025

When to use Druid vs Postgres?

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Druid and Postgres overlap a little, but they are built for very different use cases. The right choice depends mainly on what kind of quer...

Sunday, September 7, 2025

Step-by-Step Red Team vs SOC interactive drill

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Format per step: Attacker Action → Your Move (respond) → Example SOC Play 1) Initial Access — Spearphishing Attachment (TA0001 • T1566.001...

SOC Interview Questions

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1. What is a SOC (Security Operations Center)? A centralized team and facility that monitors, detects, analyzes, and responds to cybersecu...

Saturday, September 6, 2025

How machine learning is used in Network Anomaly Detection?

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What is Network Anomaly Detection? It means spotting unusual or suspicious behavior in network traffic (like hackers, malware, or system ...

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About Me

Nawraj Lekhak: R&D Engineer at Broadcom I’m a Security-focused QE professional with a deep interest in networking, security validation, and cloud infrastructure. I bring hands-on experience in testing complex distributed systems, validating enterprise-grade network security features, and automating test workflows to ensure reliable, scalable software. With a strong foundation in virtualization, automation, and Security, I’m driven by a passion to ensure secure, high-performing infrastructure through smart testing and continuous improvement. I consider myself an avid learner, reader, and occasional blogger, always striving to stay ahead in the fast-evolving tech and security landscape. Key Certifications: VMware VCP - Network Virtualization 2022 Advanced Design - NSX-T Data Center VCP - Data Center Virtualization (2022 & 2023) Cisco CCNA & CCNP (Routing, Switching, and Enterprise) Cisco Certified Specialist – Enterprise Core & Security Core CCIE Security Cisco Security Ninja – White & Green Belt Technical Skills: Network Security • Virtualization (NSX, vSphere) • Python • REST API • Test Automation • Linux • Kubernetes • DevOps & CI/CD • Cloud Infrastructure

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