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Rony Utevsky | Security Research & Exploit Write-ups

Rony Utevsky | Security Research & Exploit Write-ups

Business Logic

Predictable Voucher Identifier Enumeration in Cibus (Victory Integration)

25 January 2026·6 mins

Security Research Security Research Enumeration Weak Identifiers Business Logic Supply-Chain Risk Luhn Algorithm

Breaking the Paywall: How a 'Lazy' Search Implementation Compromised a Paywall

23 March 2025·5 mins

Security Research Broken Access Control Business Logic Web Security Red Teaming Brute Force

The 1-Shekel Ticket: Broken Access Control, Mass PII Exposure, and Price Manipulation in a Concert Ticketing Platform

17 September 2024·4 mins

Security Research IDOR Broken Access Control Business Logic PII Exposure Web Security