使用 Databricks 扩展实时欺诈检测：DraftKings 的经验教训.pdf

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1、Scaling Real-Time Fraud Detection With DatabricksLessons From DraftKingsGreg Von Pless Monika HristovaDraftKings Inc.,2025AGENDAAGENDALesson 04 Lesson 04 Tools Arent EnoughTools Arent EnoughLesson 03 Lesson 03 CrossCross-Functional TeamsFunctional TeamsLesson 02 Lesson 02 Unified PipelinesUnified Pi

2、pelinesLesson 01 Lesson 01 Save the Right DataSave the Right DataIntroduction&Business/Systems ContextIntroduction&Business/Systems ContextLesson 05 Lesson 05 Latency vs.CostLatency vs.Cost/4DraftKings Inc.,2025Monika Hristova Principal Software EngineerDistributed,real-time systems with Flink,Spark

3、,and DatabricksCurrent focus:fraud-detection and streaming initiativesINTRODUCTIONINTRODUCTIONGreg Von Pless Principal Data Science EngineerSolutions architect for DS,ML,and AI systemsFraud-detection,personalization,and marketing spaces/5DraftKings Inc.,2025There are many user touchpoints to monitor

4、Registrations and loginsDeposits and withdrawalsGameplay and account activityThere are many types of activities we are fightingPayment fraudAccount take-overGeolocation fraud and multi-accountingMoney launderingAnd moreE N SU R IN G SE C U R E&F A IR G A M IN G F O R O U R U SE R S IS A B IG C H A L

5、 L E N G EDRAFTKINGS INVESTS IN PEOPLE,PROCESSES,AND TECHNOLOGY TO CREATE A SECURE GAMING ENVIRONDRAFTKINGS INVESTS IN PEOPLE,PROCESSES,AND TECHNOLOGY TO CREATE A SECURE GAMING ENVIRONScale of the problemScale of the problem4.8 million 4.8 million avg monthly unique playersavg monthly unique players

6、(during Q4 2024)During a major sporting event we mig During a major sporting event we mig 10,000s10,000slogins per minutelogins per minute1,000s1,000s deposits per minutedeposits per minute100s 100s registrations per minuteregistrations per minute/6DraftKings Inc.,2025Development focused on familiar