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Sireesha KalavalapudiSK
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Sireesha Kalavalapudi

@sireeshakalavalapudi

Cloud Security Analyst at DXC Technology who cut false-positive alerts by 60%+ through CrowdStrike policy tuning.

India
Message

At DXC Technology, I manage and support CrowdStrike Falcon security operations across enterprise endpoint environments. I deploy and manage Falcon sensors, tune prevention policies, and manage IOCs and exclusions; policy optimization reduced false-positive alerts by 60%+.

I monitor and investigate endpoint detections and security incidents, including malware, phishing, and unauthorized access. I also support API integrations and develop SOPs for consistent security operations.

Across Microsoft Azure environments, I monitor Microsoft Defender for Cloud recommendations and support remediation of security issues. I generated patch compliance reports using Azure Update Manager, contributing to 95%+ patch compliance, and automated NSG reporting with PowerShell.

I use Qualys for vulnerability scanning and assessment, analyze CVEs, and develop KQL queries to help identify and track vulnerabilities. I also hold Microsoft certifications in Security Operations Analyst, Azure Fundamentals, Security, Compliance, and Identity Fundamentals, and Azure AI Fundamentals.

Experience

Work history, roles, and key accomplishments

DXC Technology logoDT
Current

Cloud Security Analyst

Feb 2023 - Present (3 years 9 months)

Manage and support CrowdStrike Falcon security operations across enterprise endpoint environments, including sensor deployment, policy tuning, and incident investigation. Conduct vulnerability assessments and support cloud security monitoring in Microsoft Azure.

Education

Degrees, certifications, and relevant coursework

EV

ESS Degree College, Venkatagiri

Bachelor of Science, Computer Science

2019 - 2022

Pursued a Bachelor of Science in Computer Science from August 2019 to May 2022.

Tech stack

Software and tools used professionally

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