---
title: "Renganathan (@r-protocols) | Hashnode"
description: "I'm Renganathan, Founder of R Protocols, a hacker-driven Cyber Security Firm. Thanked by Google, Apple, LinkedIn, More than fifty Fortune and Unicorn Startup..."
url: "https://hashnode.com/@r-protocols"
---

@r-protocols

# Renganathan

@r-protocols · Joined November 2025

[Website](https://rprotocols.com/)

### [Gaining Unauthenticated Access to Google Cloud Partner Registry Information](https://rptl.hashnode.dev/unauthenticated-google-cloud-partner-registry-info-exposure?utm_source=hashnode&utm_medium=feed)

Security research detailing an unauthenticated Google Cloud Partner Registry exposure vulnerability. The issue was fixed after the reporting.

6 min read · [rptl.hashnode.dev](https://rptl.hashnode.dev/unauthenticated-google-cloud-partner-registry-info-exposure?utm_source=hashnode&utm_medium=feed)

[Jun 16](https://hashnode.com/posts/unauthenticated-google-cloud-partner-registry-info-exposure/6a31219d86a31a89b7752eb4)

### [How a Misconfigured API Exposed Founder, Investor, and Employee Data at a Leading Venture Capital Firm](https://rptl.hashnode.dev/how-a-misconfigured-search-api-exposed-founder-investor-and-employee-data?utm_source=hashnode&utm_medium=feed)

how a misconfigured search API vulnerability exposed founder, investor, and employee data in a leading VC firm.

6 min read · [rptl.hashnode.dev](https://rptl.hashnode.dev/how-a-misconfigured-search-api-exposed-founder-investor-and-employee-data?utm_source=hashnode&utm_medium=feed)

[Jun 12](https://hashnode.com/posts/how-a-misconfigured-search-api-exposed-founder-investor-and-employee-data/6a2bf2a7194e124cb62aa081)

### [Customer Orders to Internal Logistics: How a Single API Exposed an Entire Commerce Operation](https://rptl.hashnode.dev/omnichannel-ecommerce-breach?utm_source=hashnode&utm_medium=feed)

An exposed API key and IDOR flaw leaked customer PII, invoices, logistics, and internal operational data at scale.

3 min read · [rptl.hashnode.dev](https://rptl.hashnode.dev/omnichannel-ecommerce-breach?utm_source=hashnode&utm_medium=feed)

[May 8](https://hashnode.com/posts/omnichannel-ecommerce-breach/69fe3ffdf239332df4086709)

### [From Burger Order to Data Breach: An API Security Case Study](https://rptl.hashnode.dev/from-burger-order-to-data-breach-an-api-security-case-study?utm_source=hashnode&utm_medium=feed)

A major food platform's data breach case study, uncover vulnerabilities, and learn remediation steps for API security from R Protocols' security research

3 min read · [rptl.hashnode.dev](https://rptl.hashnode.dev/from-burger-order-to-data-breach-an-api-security-case-study?utm_source=hashnode&utm_medium=feed)

[Dec 7, 2025](https://hashnode.com/posts/from-burger-order-to-data-breach-an-api-security-case-study/6935f93986310640126b11f3)

### [Exposing iCloud Users’ Names, Phone Numbers, and Email Addresses](https://rptl.hashnode.dev/exposing-icloud-users-names-phone-numbers-and-email-addresses?utm_source=hashnode&utm_medium=feed)

A security misconfiguration in iCloud Notes exposed user names, phone numbers, and email addresses through publicly shared links. This article breaks down h

4 min read · [rptl.hashnode.dev](https://rptl.hashnode.dev/exposing-icloud-users-names-phone-numbers-and-email-addresses?utm_source=hashnode&utm_medium=feed)

[Nov 22, 2025](https://hashnode.com/posts/exposing-icloud-users-names-phone-numbers-and-email-addresses/6921489f9695ca84c09e2b4d)