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Nayana User

@nayanauser

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Cybersecurity professional at Sygnia who investigated threats and presented a MITRE ATT&CK-mapped attack timeline.

Singapore

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At Sygnia, I completed MDR platform training, investigated and hunted threats using ski query, and presented a MITRE ATT&CK-mapped attack timeline to management.

At Wipro, I led SIEM administration for IBM QRadar and Microsoft Sentinel. I migrated selected QRadar log sources to Sentinel with associated use cases and watchlists, receiving Rewards and Recognition for on-time delivery.

At Robert Bosch, I monitored Splunk alerts and investigated Endgame EDR alerts mapped to MITRE ATT&CK. I recommended false-positive tuning that improved monitoring accuracy, proposed a use case the client implemented, and developed SOPs and training material that reduced new-hire training time by 50%.

At IBM, I co-led a team as Quality Analyst and supported Service Delivery Managers with KPI reporting. I also hunted threats in historical logs and fine-tuned QRadar offenses, correlation rules, and dashboards; earlier, at Mu Sigma, I monitored email, web, and removable-media security through McAfee DLP.

Experience

Work history, roles, and key accomplishments

Velocity Analyst

Sygnia

Sep 2026 - Nov 2026 (2 months)

Completed MDR platform training. Investigated and hunted threats using ski query and presented a MITRE ATT&CK-mapped attack timeline to management.

MDR Threat Hunting MITRE ATT&CK Ski Query

Lead Administrator

Wipro

Feb 2023 - Apr 2026 (3 years 2 months)

Led SIEM administration for IBM QRadar and Microsoft Sentinel, ensuring system health and log source availability. Migrated log sources to Sentinel and performed upgrades and troubleshooting.

IBM QRadar Microsoft Sentinel SIEM Administration Log Source Management Splunk Windows Linux ServiceNow Jira

Senior Security Engineer

Robert Bosch

Apr 2019 - Feb 2023 (3 years 10 months)

Monitored and analyzed alerts using Splunk, investigated Endgame EDR alerts mapped to MITRE ATT&CK, and proposed new use cases. Developed SOPs and training material, reducing new hire training time by 50%.

Splunk Elastic Endgame EDR MITRE ATT&CK Use Case Development SOP Development Training

Security Delivery Analyst

IBM

Sep 2016 - Mar 2019 (2 years 6 months)

Co-led a team as Quality Analyst and supported Service Delivery Managers with KPI reporting. Reviewed attack patterns and performed threat hunting on historical logs, leading to a 15% reduction in repeated incidents.

Quality Assurance KPI Reporting Threat Hunting IBM QRadar Correlation Rules Dashboarding

Security Consultant

Mu Sigma

Feb 2015 - Jun 2016 (1 year 4 months)

Monitored security of email, web and removable media through McAfee DLP. Collaborated with audit teams to ensure compliance with company security policies.

McAfee DLP Security Monitoring Compliance Audit