---
title: "rathsara (@rathsara) | Hashnode"
description: "Security engineer focused on AppSec, cloud security, and scaling enterprise security programmes. Read the latest articles by rathsara on Hashnode."
url: "https://hashnode.com/@rathsara"
---

@rathsara

# rathsara

@rathsara · United Kingdom · Joined March 2026

Security engineer focused on AppSec, cloud security, and scaling enterprise security programmes

### [Truly: Your Mood, Your Music, Your Privacy.](https://rr-cyber.hashnode.dev/truly-your-mood-your-music-your-privacy?utm_source=hashnode&utm_medium=feed)

Music That Understands Your Choice, Not Your Identity.

18 min read · [rr-cyber.hashnode.dev](https://rr-cyber.hashnode.dev/truly-your-mood-your-music-your-privacy?utm_source=hashnode&utm_medium=feed)

[Oct 19](https://hashnode.com/posts/truly-your-mood-your-music-your-privacy/6ad65194d24c1e2fb4e6545b)

### [IDSLab: What Does Another IDS Stage Actually Add?](https://rr-cyber.hashnode.dev/idslab-what-does-another-ids-stage-actually-add?utm_source=hashnode&utm_medium=feed)

An open-source framework for experimenting with staged intrusion detection systems

9 min read · [rr-cyber.hashnode.dev](https://rr-cyber.hashnode.dev/idslab-what-does-another-ids-stage-actually-add?utm_source=hashnode&utm_medium=feed)

[Oct 17](https://hashnode.com/posts/idslab-what-does-another-ids-stage-actually-add/6ad34699498dde50052a8406)

### [The Firewall Is the Target Now: A Practical Audit Checklist](https://rr-cyber.hashnode.dev/the-practical-firewall-audit-checklist?utm_source=hashnode&utm_medium=feed)

Where I’d start a firewall audit; the device, the rules, the traffic and the process

18 min read · [rr-cyber.hashnode.dev](https://rr-cyber.hashnode.dev/the-practical-firewall-audit-checklist?utm_source=hashnode&utm_medium=feed)

[Oct 15](https://hashnode.com/posts/the-practical-firewall-audit-checklist/6ad0fbee4ad0f92e41ec56b6)

### [Hiding Network Connections: Encryption, Onion Routing, and Identity Spoofing](https://rr-cyber.hashnode.dev/hiding-network-connections-encryption-onion-routing-and-identity-spoofing?utm_source=hashnode&utm_medium=feed)

The content is encrypted, the path is anonymised, the origin is spoofed: but the connection is still visible

15 min read · [rr-cyber.hashnode.dev](https://rr-cyber.hashnode.dev/hiding-network-connections-encryption-onion-routing-and-identity-spoofing?utm_source=hashnode&utm_medium=feed)

[Sep 22](https://hashnode.com/posts/hiding-network-connections-encryption-onion-routing-and-identity-spoofing/6ab2af3aeaf886d499ed8f58)

### [Network Data Hiding: Covert Channels and Traffic Manipulation](https://rr-cyber.hashnode.dev/network-data-hiding-covert-channels-and-traffic-manipulation?utm_source=hashnode&utm_medium=feed)

From IP headers to DNS queries: how covert channels work and how their traffic patterns give them away

17 min read · [rr-cyber.hashnode.dev](https://rr-cyber.hashnode.dev/network-data-hiding-covert-channels-and-traffic-manipulation?utm_source=hashnode&utm_medium=feed)

[Sep 21](https://hashnode.com/posts/network-data-hiding-covert-channels-and-traffic-manipulation/6ab1388b156512979e6ce8cc)