Priyanshu Saklani

Security Operations Engineer @dunnhumby

Gurugram, IN

As part of the Security team, I have been actively driving security posture improvements across infrastructure.Key ResponsibilitiesZscaler Traffic Analysis: Performed in-depth analysis and optimization of Zscaler traffic. Designed comprehensive rule sets and successfully implemented a default deny policy without triggering any Sev1 or Sev2 incidents.ASR Rules & Defender Policies: Enforced Attack Surface Reduction (ASR) rules and implemented advanced Microsoft Defender configurations across GCP and Azure (servers and workstations on Linux and Windows), aligning with MSSP recommendations.Vulnerability Management: Led end-to-end remediation using Microsoft Defender and Qualys. Created MI packs and regularly reported progress to stakeholders.Secure Score Improvement: Collaborated with engineers to improve Microsoft Defender Secure Score by 15–20% through prioritized security recommendation deployments.Firewall & Network Security: Reviewed and enhanced Palo Alto firewall rules in collaboration with the network team.Endpoint Forensics: Conducted investigations using Samurai’s Paladin toolkit, following standard incident response protocols.Security Policy Management: Audited and enforced Intune security policies to ensure alignment with organizational security standards.WDAC Implementation: Rolled out Windows Defender Application Control (WDAC) across the organization to block unauthorized application execution.Phishing Defense: Strengthened anti-phishing policies to enhance detection and response across email systems.Change Management: Handled change approvals for security updates, ensuring thorough risk assessments before implementation.Incident Response: Supported analysts during high-impact incidents, assisting with containment and root cause analysis.Cross-Team Collaboration: Worked closely with Infra, Ops, Workplace Tech, ServiceNow, IAM, Networking, GRC, On-Prem, and Data Science teams to maintain strong security controls.

SRM University

Bachelor of Technology - BTech