Case Studies
Practice real-world case studies for CAT, interviews, and professional growth. Submit solutions and get evaluated by industry experts.
The Shoe Lane ATM Heist (2010) — Testing a Hypothesis
ATM machines dispensing cash without card insertion. Investigators hypothesized an internal banking ...
Target Data Breach (2013) — Failure of Forensic Readiness
Attackers stole 40 million credit/debit card records by breaching a third-party HVAC vendor's networ...
The Morris Worm (1988) — The Catalyst that Birthed Cyber For...
Robert Tappan Morris released the first major internet worm infecting ~6,000 machines (10% of the in...
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...
When the Chart Lies: RDA Radar Chart Scaling Decisions
A nutritionist builds a radar chart to compare 2 households' diet quality across 7 nutrients. Using ...
Sales Data Reconciliation: Matching 3 Sources by Hand
UrbanMart's sales data arrives from 3 independent sources — online store, POS system, and distributo...
Are Incidents Really Declining? Trend Analysis with Rolling ...
NexGenIT deployed a new monitoring system in July. The NOC manager claims incidents dropped 30% — fr...
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. ...
Server Incident Ranking: Frequency vs Severity Weighted Scor...
NexGenIT's NOC team tracks incidents per server but ranks servers by total incident count — which ov...
The Ranking That Decides the Budget: Deficiency Hotspot Prio...
The health department must rank 8 districts to allocate a ₹3 crore nutrition intervention fund. Rank...
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