Deblina Chakraborty
Cybersecurity Technical Lead
Bengaluru
Summary
Experienced cybersecurity leader with 9 years of expertise in managing SIEM solutions (Splunk, Sentinel, Chronicle) to enhance threat detection and response. Proven ability to lead and mentor cross-functional teams, streamline security operations. Skilled in aligning security strategies with business goals and ensuring compliance with industry standards. Adept at driving enterprise wide security improvements while fostering collaboration and innovation across teams.
Overview
9
9
years of professional experience
17
17
years of post-secondary education
5
5
Certifications
3
3
Languages
Work History
CYBERSECURITY TECHNICAL LEAD
WELLS FARGO
Bengaluru
12.2023 - Current
- Integrated Splunk with ServiceNow, automating incident management workflows and reducing manual effort by 40%, leading to a 25% faster response time.
- Configured Cribl infrastructure for optimized data routing and management
- Onboarded applications in Cribl and facilitated data ingestion into S3 buckets for scalable storage solutions
- Developed 15+ custom pipelines and packs for various client applications, enhancing data processing efficiency by 40%.
- Created use cases for Azure Sentinel to bolster security monitoring and incident response capabilities
- Managed the onboarding of data into Splunk Security indexes, significantly enhancing threat detection accuracy by 35% and reducing analysis time by 25%.
SPLUNK SECURITY SPECIALIST
SARTORIUS STEDIUM PVT LTD
Bengaluru
06.2022 - 12.2023
- Monitored Splunk On-Prem Environment for potential issues to ensure optimal performance and reliability
- Onboarded 50+ GB of security data into Splunk and Google Chronicle, meeting the requirements of 10+ stakeholders and enhancing data accessibility by 40%.
- Fine-tuned correlation searches and notable events to improve alert accuracy and incident response
- Prepared use cases for SIEM to strengthen security posture and incident management strategies
- Executed Google Chronicle activities, including rule building using YaraL language for enhanced threat detection
- Conducted 50+ vulnerability assessments using Rapid7, identifying and mitigating 500+ security risks, reducing overall risk exposure by 40%.
- Monitored Microsoft Defender alerts in Splunk to streamline security operations and incident tracking
- Delivered presentations to technical audiences on SIEM/SOAR concepts, fostering knowledge sharing and collaboration
ASSOCIATE III
PRICE WATERHOUSE COOPERS LTD(PWC)
Bengaluru
06.2021 - 05.2022
- Developed 10+ security use cases using the MITRE ATT&CK framework, improving threat detection accuracy by 30% and reducing response time by 25%
- Optimized security operations by integrating Azure Sentinel and Microsoft Defender, reducing incident response time by 40% and improving threat visibility by 30%.
- Led 15+ client meetings and delivered 10+ presentations, effectively communicating security strategies and technical concepts, resulting in a 20% increase in stakeholder engagement.
- Developed 50+ KQL queries to extract and analyze security data, enhancing threat detection efficiency by 35% and reducing investigation time by 25%.
INFORMATION SECURITY ANALYST (SPLUNK DEVELOPER/ES ADMIN)
SYNCHRONY INTERNATIONAL PVT LTD
Hyderabad
04.2019 - 06.2021
- Contributed to Splunk development and administration by creating dashboards, alerts, and reports
- Monitored SIEM and analyzed security events to determine appropriate response actions
- Designed and implemented 20+ complex dashboards and alerts in Splunk, leveraging regular expressions for field extractions and transformations, improving log analysis efficiency by 35%.
- Delivered presentations on Splunk to educate users on its functionalities and best practices
- Normalized data within ES, executing data curation processes and conducting data model investigations
- Developed 10+ machine learning-based security use cases, enhancing threat detection accuracy by 40% and reducing false positives by 25%
- Oversaw Splunk installations and participated in the onboarding team for log ingestion processes
- Built 15+ security use cases aligned with the MITRE ATT&CK Framework, contributing to 30% faster threat detection and improving SOAR workflow efficiency by 35%.
- Integrated Splunk Phantom with Splunk to automate security operations and incident response
ASSISTANT SYSTEM ENGINEER (SPLUNK DEVELOPER)
TATA CONSULTANCY SERVICES
Hyderabad
12.2015 - 03.2019
- Collaborated in a team-oriented environment to meet development requirements and provide production support based on client needs
- Possess a deep understanding of Splunk architecture and comprehensive knowledge of its components
- Successfully completed 10 major projects, working closely with an agile development team to develop, test, and maintain Splunk Apps using XML and web technologies
Education
B.Tech - Electronics and Electrical engineering
KIIT University
BBSR 07.2011 - 05.2015
Certificate of Higher Secondary Examination -
St. Xaviers Public School
Chhattisgarh 03.2009 - 04.2011
Certificate of Secondary Examination -
Delhi Public School
Chhattisgarh 03.1998 - 04.2009
Skills
Splunk (Dev/Admin)
Cribl
SIEM
SOAR
DevSecOps
MS Defender
undefinedCertification
Google Chronicle
Timeline
CYBERSECURITY TECHNICAL LEAD
WELLS FARGO
12.2023 - Current
SPLUNK SECURITY SPECIALIST
SARTORIUS STEDIUM PVT LTD
06.2022 - 12.2023
ASSOCIATE III
PRICE WATERHOUSE COOPERS LTD(PWC)
06.2021 - 05.2022
INFORMATION SECURITY ANALYST (SPLUNK DEVELOPER/ES ADMIN)
SYNCHRONY INTERNATIONAL PVT LTD
04.2019 - 06.2021
ASSISTANT SYSTEM ENGINEER (SPLUNK DEVELOPER)
TATA CONSULTANCY SERVICES
12.2015 - 03.2019
B.Tech - Electronics and Electrical engineering
KIIT University
07.2011 - 05.2015
Certificate of Higher Secondary Examination -
St. Xaviers Public School
03.2009 - 04.2011
Certificate of Secondary Examination -
Delhi Public School
03.1998 - 04.2009