← Advanced training · Module 5 — Ad fraud — farms, apps, bots and IPs, and how an account defends itself
Safe Sites, aggressiveness and calibration: protecting without losing reach
⏱️ 9 min read · 🛡️ Fraud 🖼️ Display · updated on 2026-08-22
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The Safe Sites whitelist and the «harvest campaign» that discovers them, the shield's aggressiveness levels (from conservative to maximum) and which thresholds each one sets in one go, the retroactive effect when you relax it (reinstating exclusions), the impact forecast before changing level, and how you measure whether the shield is improving your CPA or merely cutting reach.
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