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Rahul Barman

Cybersecurity Analyst

Guwahati, Assam
71
Profile Score

About

Cybersecurity Analyst with nearly 2 years of hands-on SOC experience, specializing in SIEM monitoring, alert triage, and incident escalation with Microsoft Sentinel. Strong hands-on expertise in Microsoft Sentinel SIEM, Microsoft EDR, Cloudflare security controls, malware investigation, and phishing analysis. Adept at SOP-driven operations, threat validation, and cross-team escalation, with a strong analytical mindset and continuous focus on skill development.

Skills & Expertise (8)

Microsoft Sentinel Intermediate
7.1/10
2
Years Exp
5
Proficiency
5
Experience
10
Recency
9
Demand
Microsoft 365 Defender Intermediate
7.1/10
2
Years Exp
5
Proficiency
5
Experience
10
Recency
9
Demand
Defender for Endpoint Intermediate
7.1/10
2
Years Exp
5
Proficiency
5
Experience
10
Recency
9
Demand
Logic Apps Intermediate
6.8/10
2
Years Exp
5
Proficiency
5
Experience
10
Recency
8
Demand
Incident Management Intermediate
6.5/10
2
Years Exp
5
Proficiency
5
Experience
10
Recency
8
Demand
Threat Detection Intermediate
6.5/10
2
Years Exp
5
Proficiency
5
Experience
10
Recency
8
Demand
Log Analysis Intermediate
6.5/10
2
Years Exp
5
Proficiency
5
Experience
10
Recency
8
Demand
Malware Analysis Intermediate
6.5/10
2
Years Exp
5
Proficiency
5
Experience
10
Recency
8
Demand

Work Experience

SOC Analyst L1

Tata Consultancy Services

02-2024 - Present

Monitored security alerts in a 24/7 SOC environment using Microsoft Sentinel. Performed initial alert triage and validation to identify genuine security threats. Investigated incidents such as phishing emails, brute-force login attempts, malware alerts, and suspicious sign-in activities. Used Microsoft 365 Defender, Defender for Endpoint, and Azure AD Identity Protection for threat investigation and correlation. Analyzed logs using Kusto Query Language (KQL) to understand attack behavior and support investigations. Identified true positives and false positives, helping reduce unnecessary alerts and improve SOC efficiency. Conducted basic malware and URL analysis using sandbox and threat intelligence tools. Escalated confirmed incidents to L2/L3 or Incident Response teams following SOPs and SLAs. Maintained proper incident documentation, shift handover notes, and reports. Contributed to the development of runbooks and weekly/monthly SOC reports. Optimized SIEM alert rules through fine-tuning to improve detection accuracy and reduce false positives. Supported alert automation using Logic Apps, helping streamline response workflows. Worked closely with L2 teams on threat hunting activities, assisting in identifying hidden or emerging threats across the environment.

SOC Analyst L1

Tata Consultancy Services

02-2024 - Present

Monitored security alerts in a 24/7 SOC environment using Microsoft Sentinel. Performed initial alert triage and validation to identify genuine security threats. Investigated incidents such as phishing emails, brute-force login attempts, malware alerts, and suspicious sign-in activities. Used Microsoft 365 Defender, Defender for Endpoint, and Azure AD Identity Protection for threat investigation and correlation. Analyzed logs using Kusto Query Language (KQL) to understand attack behavior and support investigations. Identified true positives and false positives, helping reduce unnecessary alerts and improve SOC efficiency. Conducted basic malware and URL analysis using sandbox and threat intelligence tools. Escalated confirmed incidents to L2/L3 or Incident Response teams following SOPs and SLAs. Maintained proper incident documentation, shift handover notes, and reports. Contributed to the development of runbooks and weekly/monthly SOC reports. Optimized SIEM alert rules through fine-tuning to improve detection accuracy and reduce false positives. Supported alert automation using Logic Apps, helping streamline response workflows. Worked closely with L2 teams on threat hunting activities, assisting in identifying hidden or emerging threats across the environment.

Education

B.Tech in Computer Science and Engineering

2020 - 2023 · India

B.Tech in Computer Science and Engineering

2020 - 2023 · India

Diploma in Computer Engineering

2017 - 2020 · India

Diploma in Computer Engineering

2017 - 2020 · India

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Profile Score Breakdown

📷 Photo 0/10
📄 Resume 10/10
💼 Job Title 10/10
✍️ Bio 10/10
🛠️ Skills 13/20
🎓 Education 10/10
⏱️ Experience 13/15
💰 Rate 0/5
🏆 Certs 0/5
Verified 5/5
Total Score 71/100

Profile Overview

Member sinceJan 2026

Availability Details

Current Company

Tata Communications Transformation Services Ltd

Visa Status

No Visa

Relocation

Open to Relocation

Skills (8)

Microsoft Sentinel Microsoft 365 Defender Defender for Endpoint Logic Apps Incident Management Threat Detection Log Analysis Malware Analysis