Case Studies
Practice real-world case studies for CAT, interviews, and professional growth. Submit solutions and get evaluated by industry experts.
Anvar P.V. vs P.K. Basheer (2014) — Section 65B Certificate
The Supreme Court of India ruled a CD containing a voice recording was inadmissible because the pros...
Equifax Breach (2017) — Linux & Apache Log Analysis
Attackers exploited a known vulnerability in Apache Struts on a Linux web server. Forensics teams an...
The Shoe Lane ATM Heist (2010) — Testing a Hypothesis
ATM machines dispensing cash without card insertion. Investigators hypothesized an internal banking ...
6 KPIs That Measure 3 Things: Executive Dashboard Redundancy
UrbanMart's executive dashboard displays 6 sales KPIs. But Revenue and (New Customers × AOV) tell th...
Designing Row-Level Security Rules for an IT Dashboard
NexGenIT's new operations dashboard shows incident data for all 5 teams — but each team should see o...
Food Consumption Patterns: Which Groups Really Eat Different...
A district nutrition survey collected monthly per-capita food consumption across 4 demographic group...
Who Is Worth More? Customer Lifetime Value Ranking
UrbanMart's marketing team wants to rank customers by lifetime value to target high-value segments. ...
Designing a Subscription Churn Classification System
A SaaS company currently counts only explicit cancellations as churn — reporting a 2% monthly churn ...
The ₹12 Lakh Cloud Bill: FinOps Cost Decomposition
NexGenIT's monthly cloud bill hit ₹12.2 lakh — up 40% from ₹8.7 lakh a year ago. The CFO wants to kn...
Designing an E-Commerce Conversion Funnel Tracking System
UrbanMart's e-commerce team has raw customer session logs but no funnel tracking — they can't tell w...
12-Month Server Capacity Planning Projection
NexGenIT's infrastructure is running at 55% CPU on the web tier, 60% on the database tier, and 45% o...
Designing a Server Log Incident Categorization System
NexGenIT's NOC team receives 15,000 server log entries per day but has no automated categorization —...
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