Blog
2026/08/19
Ahmed Saleh
Trust Booster #004. One CEO's subscription to a data platform ended up shared with 41 people across 227 IP addresses, then scraped headlessly and resold. Account sharing was the signal that uncovered the rest.
2026/08/13
Ahmed Saleh
Trust Booster #003. One person spent five months creating a fresh identity almost every day on a marketplace and spamming its providers. Every bot check came back negative. Reuse is what caught him.
2026/08/06
Ahmed Saleh
Trust Booster #002. A card testing operation created 120,000 fake accounts on a subscription platform by calling the APIs directly. Domain blocking, IP blocking and email 2FA were all already running. Here is what stopped it.
2026/07/23
Ahmed Saleh
Trust Booster #001. One actor made about 400 fake accounts on a platform we protect in 30 days. Every account shared a device fingerprint, an IP, an email pattern and a bot score. Here are the six signup signals that caught it.
Case study
How Crexi stopped product abuse, increased customer trust and improved lead quality with Rupt
2026/04/19
Ahmed Saleh
Case study - Crexi prevented product abuse, leading to increased customer verification and improved lead quality.
Account sharing
How to prevent account sharing: tools, signals, and strategy
2025/05/25
Ahmed Saleh
The complete guide to stopping account sharing. Device fingerprinting, concurrency limits, challenges, and how to convert sharers into paying customers.
Account security
How to prevent multiple user logins for the same account
2025/03/15
Rupt Team
Learn effective strategies to detect and prevent multiple users from logging into the same account, reduce unauthorized sharing, and convert sharers into paying customers.
Account security
How to detect account takeover: signals, software, and setup
2025/02/10
Rupt team
The signals that reveal account takeover, where each one breaks, how ATO detection software compares, and how to wire verdicts into login and risky actions.
2024/11/06
Ahmed Saleh
Case study - How Agorapulse prevented seat sharing and grew revenue by hundreds of thousands of dollars.
2024/05/01
Ahmed Saleh
Explore the typical reactions of users and how to manage them when a product begins to prevent account sharing. The post provides guidance on how to prepare for and handle these situations to ensure a smooth transition and maintain user satisfaction.
