Fraudsters have technology and every trick in the book to defeat fraud detection and continue to make money. These 2 techniques are rampant in mobile fraud.
Random vs Replayed DeviceIDs to Defeat Fraud Detection
1. March 2019 / Page 0marketing.scienceconsulting group, inc.
linkedin.com/in/augustinefou
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Random vs Replayed DeviceIDs
Use: to defeat fraud detection and frequency caps
RANDOM deviceIDs
lXvBEeRXPURtcKILYFYE
IdUkQeWgqshMmfMdzlAx
INIjBzHJHywhgRsMdQPe
tiAnxwuKBNCjoMetZaPN
UjtRbuUTvYUwmABhmPGH
MDSUUgkENQkQDztavzfl
iljoJEXUcLCEFwSdrwZn
APbLSRUvlrIoofIchhLg
NZXVVKCbymRYBSStNRYz
UiSBmuDpYLkNvsHBKcri
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LZyhgblHtMIMaAliHWYB
vKFknsnhGouIucYgxmdu
• If fraud detection hasn’t seen a device
before, the default action is to let the ad
serve
• Frequency caps based on deviceIDs are
defeated, each device appears as new
• Valid deviceIDs are harvested from real
devices and sent to fake devices or apps to
replay
• Replayed deviceIDs are used by fraudulent
apps to defeat fraud detection
REPLAYED deviceIDs
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validated deviceID harvested