Rahul Sharma

Ethical Hacking & Penetration Testing

How to bypass basic Antivirus (AV) and EDR detections during authorized red team engagements safely?

Use LOLBins, custom encoding, and temporary exclusions to evade AV/EDR while staying authorized.

Network Exploitation & Wireshark

How to extract unencrypted files and credentials transferred over legacy cleartext network protocols?

Capture, filter, export, decode, and optionally crack cleartext credentials using Wireshark/tshark and standard cracking tools; ensure you have a proper tap or mirror on switched networks.

Web App Security & OWASP Top 10

What is Cross-Site Request Forgery (CSRF) and how do anti-CSRF tokens protect state-changing POST requests?

Anti‑CSRF tokens tie each state‑changing request to a server‑generated secret, preventing forged submissions.

Data Analytics

How to calculate Customer Lifetime Value (CLV) and Retention Churn Cohorts accurately?

Compute CLV by discounting cohort revenue streams and subtracting CAC; derive churn from month‑over‑month retention rates.

Business Intelligence & Dashboards

How to design intuitive visual layout hierarchies in enterprise BI tools (Tableau, Looker, PowerBI)?

Anchor each view to a core KPI, assign progressive visual weight, and use grid‑aligned containers with conditional formatting for clear hierarchy.

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