Shifting fraud attacks

  • Survive
  • Model 20

Difficulty 5 of 5

Survive four 1-minute waves of card payments. Each new wave brings a new fraud pattern, and the last wave has 3 times the traffic. Keep fraud loss plus review cost under 60,000 USD, false alarms under 4 percent, and the targets green for 85 percent of the run.

Play level

HTTP/2gRPCPartner apps1,000 req/sAPI server4 vCPU · 4 GBModel (CPU)2 vCPU · 4 GBModel train…1 vCPU · 1 GB
HTTP/2gRPCPartner ap…1,000 req/sAPI server4 vCPU · 4 GBModel (CPU)2 vCPU · 4 GBModel trai…1 vCPU · 1 GB
The board at the start of the level
One change feed keeps serving in stepTap or press Space to change the write paths

Two write paths · 4 of 16 served features differ from training

Goals and limits

Time within SLO
at least 85%
Recall
at least 85%
False positives
under 4%
Budget lost
under 60,000 USD/mo
Detection time
under 10 s
p99 latency
under 50 ms
Monthly cost
under 60 USD/mo
Waves
4
Time within SLO
at least 85%
Parts you can add
Model registry
Part limit
8
Traffic
1,000 req/s

Concepts

How players did

Player results load from the server.

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