Kirubakaran Jayakumar

Dublin, Ireland

Senior Security Engineer @Nitro Software, Inc.| CISSP | CISM | Incident Responder | Threat Hunter

19 Jun 2025 SOC2 SOC2Compliance Security Compliance CyberSecurity TrustServicesCriteria Availability Confidentiality ProcessingIntegrity SOC Healthcare Privacy CloudSecurity ControlsFramework

Mastering SOC 2 Compliance: A Comprehensive Guide to Building Your Controls Framework

As cybersecurity professionals, we often find ourselves navigating the complex landscape of compliance frameworks. Today, I want to share insights from my recent work on

08 May 2025 Defender MSDefender DefenderEDR CyberSecurity SecurityOperations SecOps BlueTeam

Unlocking Insights: Mastering Defender EDR Advanced Hunting Queries and Tips

Welcome back to the blog! In the ever-evolving landscape of cybersecurity, staying ahead of threats requires powerful tools and techniques. Microsoft Defender for Endpoint (MDE)

22 Jul 2024 news

Welcome to My Cybersecurity Blog

Welcome to my little corner of the internet! I'm Kiru (that's short for Kirubakaran Jayakumar), and I'm thrilled you&

25 Oct 2019

Hackthebox - Legacy

This writeup is for the machine from Hackthebox – Legacy. Let’s see how we can get into the machine. Machine Name : Legacy IP address: 10.

25 Oct 2019

Hackthebox - Lame

This is the walkthrough for Hackthebox machine Lame. I am writing this walkthrough based on my way how I get into the machine. This will