Divesh Singh Sai
Guest Author
Divesh Singh Sai
He is a senior software development engineer with over 14 years of experience building large-scale distributed systems, subscription management platforms, and fraud detection infrastructures. He has led payment screening architecture for high-scale digital services and has worked on designing innovative subscription scheduling systems.

From Free Trial Abuse to Promo Stacking: How AI is Leading The Fight Against Subscription Fraud
Subscription fraud doesn’t act like fraud—that’s why most systems miss it. It’s no longer flagged cards or flash-sale spikes—it’s ghosted free trials, promo stacking, and coordinated device…
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