Harini Balasubramani profile photo 1 on Tal

Harini Balasubramani

Senior Security Analyst | 7+ Years of Experience | SOC Operations | Incident Response | Threat Hunting | Microsoft Sentinel | Microsoft Defender XDR | SIEM & SOAR | KQL | IAM | Cloud Security | Team Leadership

Bengaluru

8+ years of work experience

Halma plc
Oct 20214 y 11 moPresent

Bengaluru, Karnataka, India

Led 24/7 Security Operations Center (SOC) activities for a global organization comprising 60+ subsidiaries, managing a team of 7 analysts and ensuring 99% SLA compliance. Served as the L3 escalation point for daily security incidents, providing technical guidance, incident resolution, and mentoring junior analysts. Investigated and remediated phishing attacks, account compromises, malware infections, and threat intelligence alerts using Microsoft Defender XDR, Defender for Endpoint, Defender for Office 365, Defender for Identity, and Abnormal AI. Coordinated incident response activities with subsidiary IT teams and Managed Security Service Providers (MSSPs) to contain, eradicate, and recover from security incidents. Conducted advanced threat hunting activities using Kusto Query Language (KQL) within Microsoft Sentinel to identify emerging threats and indicators of compromise. Implemented security hardening measures across 20+ subsidiaries following tenant migration, including ASR rules, endpoint protection controls, and Intune encryption policies. Designed and deployed enterprise applications and custom Microsoft Intune configuration policies to enhance endpoint security and compliance. Managed Microsoft Entra ID security controls, including SAML SSO, application registrations, and Conditional Access policies to strengthen identity governance. Performed third-party security risk assessments using Prevalent and Risk Ledger, identifying and mitigating vendor-related security risks. Led organization-wide security awareness initiatives through KnowBe4, conducting phishing simulations and user training programs. Produced quarterly Cyber Hygiene reports covering incident metrics, vulnerability management, device compliance, phishing performance, and email security controls (DMARC, DKIM, SPF).
Infosys
Sep 20183 yrs 2 mosOct 2021

Bengaluru, Karnataka, India

Monitored and analyzed security events across enterprise environments to detect, investigate, and respond to potential cyber threats and security incidents. Performed proactive security monitoring, incident triage, investigation, containment, and remediation activities to minimize organizational risk and business impact. Investigated suspicious activities, malware infections, and potentially malicious code using endpoint, network, and security monitoring tools.

Harini’s AI Stack

Microsoft Copilot
Microsoft Copilot

Education

Bharath Institute Of Science And Technology

Bachelor's degree, Physics

Bharath Institute Of Science And Technology

20153 yrs2018
Madras University

Master of Computer Applications

Madras University

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Headline

Senior Security Analyst | 7+ Years of Experience | SOC Operations | Incident Response | Threat Hunting | Microsoft Sentinel | Microsoft Defender XDR | SIEM & SOAR | KQL | IAM | Cloud Security | Team Leadership

About

Senior Security Analyst with 7+ years of experience in Security Operations, Incident Response, Threat Hunting, and Cybersecurity Monitoring across global enterprise environments. Experienced in leading 24/7 SOC operations, managing high-priority security incidents, and strengthening organizational security posture through proactive threat detection and response. Skilled in Microsoft Sentinel, Microsoft Defender XDR, Defender for Endpoint, Defender for Office 365, Microsoft Entra ID, Kusto Query Language (KQL), SIEM/SOAR technologies, identity and access management, endpoint security, cloud security, security automation, vulnerability management, and third-party risk assessments. Proven track record of leading security initiatives, mentoring analysts, developing automation playbooks, conducting threat hunting activities, and collaborating with cross-functional teams to improve security operations, incident response capabilities, and cyber resilience across complex global environments. Core Skills Security Operations Center (SOC) Management Incident Response & Investigation Threat Hunting & Threat Intelligence Microsoft Sentinel (SIEM) Microsoft Defender XDR Endpoint Security Management Security Automation & SOAR Identity & Access Management (IAM) Cloud Security Operations Security Monitoring & Event Analysis Vulnerability & Risk Management Third-Party Security Risk Assessment

Location

Bengaluru

AI stack

Microsoft Copilot

Work experience

Senior Security Analyst at Halma plc, Oct 2021 - Present · 4 y 11 mo, Bengaluru, Karnataka, India, Led 24/7 Security Operations Center (SOC) activities for a global organization comprising 60+ subsidiaries, managing a team of 7 analysts and ensuring 99% SLA compliance. Served as the L3 escalation point for daily security incidents, providing technical guidance, incident resolution, and mentoring junior analysts. Investigated and remediated phishing attacks, account compromises, malware infections, and threat intelligence alerts using Microsoft Defender XDR, Defender for Endpoint, Defender for Office 365, Defender for Identity, and Abnormal AI. Coordinated incident response activities with subsidiary IT teams and Managed Security Service Providers (MSSPs) to contain, eradicate, and recover from security incidents. Conducted advanced threat hunting activities using Kusto Query Language (KQL) within Microsoft Sentinel to identify emerging threats and indicators of compromise. Implemented security hardening measures across 20+ subsidiaries following tenant migration, including ASR rules, endpoint protection controls, and Intune encryption policies. Designed and deployed enterprise applications and custom Microsoft Intune configuration policies to enhance endpoint security and compliance. Managed Microsoft Entra ID security controls, including SAML SSO, application registrations, and Conditional Access policies to strengthen identity governance. Performed third-party security risk assessments using Prevalent and Risk Ledger, identifying and mitigating vendor-related security risks. Led organization-wide security awareness initiatives through KnowBe4, conducting phishing simulations and user training programs. Produced quarterly Cyber Hygiene reports covering incident metrics, vulnerability management, device compliance, phishing performance, and email security controls (DMARC, DKIM, SPF).

Security Analyst at Infosys, Sep 2018 - Oct 2021 · 3 yrs 2 mos, Bengaluru, Karnataka, India, Monitored and analyzed security events across enterprise environments to detect, investigate, and respond to potential cyber threats and security incidents. Performed proactive security monitoring, incident triage, investigation, containment, and remediation activities to minimize organizational risk and business impact. Investigated suspicious activities, malware infections, and potentially malicious code using endpoint, network, and security monitoring tools.

Education

Bachelor's degree, Physics, Bharath Institute Of Science And Technology

Master of Computer Applications, Madras University