About

Rahul D is a highly skilled Sr. Advanced Cyber Security Architect at Honeywell with over 7 years of professional experience in Security Engineering, Splunk, ELK stack, AWS/AZURE Cloud, Microsoft Cloud Security, Data Loss Prevention (DLP), Stealthaudit. He is an expert in Architecting Enterprise Security solutions, Installation, Administration, and configuration of security solutions like Splunk (SIEM), Elasticsearch (ELK Stack), Microsoft Information Protection (DLP), Microsoft Defender for Cloud Apps (MCAS), Stealthaudit, Securonix UEBA, Wazuh (HIDS), OSquery, Sysmon, ElastAlert, TheHive SIRP, and Cortex. Rahul's skillset includes Security Engineering, Splunk Architect, Elasticsearch and ELK Stack, AWS/Azure Architect, Microsoft Defender for Cloud App (MCAS), Microsoft Information Protection (DLP), MIP Auto Labelling and Classification, Stealthaudit, Nagios, Open-Source Security: Wazuh EDR, OSquery, TheHive, Cortex, ElastAlert, Sysmon, MITRE ATT&CK framework, Atomic Red Team, Python, Bash, PowerShell, Ansible, GIT, and LinkedIn. He holds professional certifications in SANS - GIAC Security Essentials (GSEC), Splunk Certified Administrator, AWS Certified Solution Architect, Swimlane Certified SOAR Architect and Developer, and X-Pack: Machine Learning 6.X and Security 6.X certified by Elasticsearch. Rahul has worked with Honeywell Technology Solutions as an Advanced Cyber Security Architect and currently serves as a Sr. Advanced Cyber Security Architect. He has designed and deployed security solutions to handle the security of the Honeywell Global Security unit. He has implemented Splunk enterprise (SIEM) environment to handle 2.3 TB of data per day. He has also worked on the enterprise-wide deployment of Windows Defender advanced threat protection (ATP), Microsoft DLP, MIP Auto Labelling and Classification. Rahul has developed more than 400 rules to detect security threats from Windows Sysmon security events based on the atomic red team developed MITRE framework. He has automated tasks using python/shell scripting to reduce daily manual tasks on the infra end. Rahul has also worked on alerts generated from tools like Defender ATP, Splunk, ELK Stack, Securonix, Wazuh EDR, and McAfee. Rahul holds a Bachelor of Engineering degree in Electrical and Electronics Engineering from g