---
title: "Sumir Broota (@SumoSumir) | Hashnode"
description: "sumirbroota.com. Read the latest articles by Sumir Broota on Hashnode."
url: "https://hashnode.com/@SumoSumir"
---

@SumoSumir

# Sumir Broota

@SumoSumir · Joined February 2024

sumirbroota.com

### [Building your VoIP system & Call Spoofing](https://breachforce.net/building-your-voip-system-call-spoofing?utm_source=hashnode&utm_medium=feed)

Guide to VoIP systems, PBX types, call spoofing, and protection. Learn setup, protocols, and safety measures

7 min read · [breachforce.net](https://breachforce.net/building-your-voip-system-call-spoofing?utm_source=hashnode&utm_medium=feed)

[Sep 8, 2024](https://hashnode.com/posts/building-your-voip-system-call-spoofing/66dd367d79385d1c69244b85)

### [Implementing a Secure Content Security Policy (CSP)](https://breachforce.net/implementing-a-secure-content-security-policy-csp?utm_source=hashnode&utm_medium=feed)

Learn to implement a secure Content Security Policy (CSP) for robust client-side web application security by avoiding common mistakes

5 min read · [breachforce.net](https://breachforce.net/implementing-a-secure-content-security-policy-csp?utm_source=hashnode&utm_medium=feed)

[Jul 8, 2024](https://hashnode.com/posts/implementing-a-secure-content-security-policy-csp/668b6b73c9650c850e610d81)