Build a Legitimate Interest Assessment
Construct an LIA that links purpose, necessity, balancing factors, and safeguards to a decision.
The fraud team wants to process signup telemetry to prevent repeat account abuse without asking each suspected abuser for consent. LIA = purpose test -> necessity test -> balancing test -> safeguards -> decision conditions. The common shortcut is to write "fraud prevention is legitimate interest" and skip whether every proposed data point is necessary or expected. Purpose Define the interest narrowly: prevent repeat account abuse and payment fraud during signup. A narrow purpose makes necessity testable. "Improve trust" is too vague; fraud prevention at signup is specific. Necessity Compare inputs: device hash, IP risk band, payment-failure pattern, and email-domain…
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