Krishna Chaitanya Yerra
Amsterdam
Summary
Information Security Specialist with passion for aligning security architecture plans and processes with security standards and business goals. Extensive experience developing and testing security framework for cloud-based software. Versed in robust network defense strategies.
Overview
16
16
years of professional experience
1
1
Certification
Work History
Cyber Security Consultant
Tata Consultancy Services
- Directed global incident response, reducing resolution times and critical vulnerabilities
- Enhanced security with Defender endpoint & identity management, improving threat detection and reducing unauthorized access
- Conducted security awareness programs, improving employee awareness.
Regional Service Delivery Manager
Tata Consultancy Services
07.2019 - 04.2023
- Setup and established a SOC2 certified Threat Management Center (TMC) in Madrid, collaborating with presales and solutions teams to grow the center
- As the service delivery owner, executed multiple projects for European clients, overseeing the end-to-end delivery process, ensuring alignment with client requirements, and maintaining high standards of service quality
- Delivered comprehensive consulting services, executed multiple greenfield implementations, and managed transitions and operations for various cybersecurity solutions
- Successfully implemented SIEM (MS Sentinel and QRoc), network security (including proxy and email gateway solutions), and Privileged Access Management (PAM) with CyberArk
- Established a clear path for the vulnerability lifecycle, from assessment to remediation recommendations, ensuring robust security postures for clients across Europe
- Achieved yearly SOC 2 certification for the Madrid TMC by collaborating closely with external auditors, meticulously preparing and organizing all required documentation, and ensuring compliance with stringent SOC 2 standards.
SIEM Consultant - Shared SOC Services
Tata Consultancy Services
02.2018 - 06.2019
- Worked as a SIEM consultant in Shared SOC services, providing expert guidance and support for security monitoring and incident response across multiple client environments
- Implemented and optimized SIEM solutions, enhancing threat detection, analysis, and mitigation capabilities to ensure robust cybersecurity for diverse organizations.
Security Operations Lead
Tata Consultancy Services
02.2016 - 02.2018
- Led a dedicated team of 16 professionals in continuous 24/7 SIEM operations, ensuring robust cybersecurity measures were in place
- Designed and implemented the McAfee Enterprise Security Manager (ESM) to enhance the organization's threat detection and response capabilities
- This involved setting up advanced SIEM configurations to identify, analyze, and mitigate both internal and external cyber threats
- Successfully identified red team activities, improving the overall detection and response efficiency, and strengthening the organization's security posture against potential threats
- Collaborated with cross-functional teams to fine-tune SIEM processes and integrate threat intelligence, ensuring comprehensive protection for the organization.
Sr. IT Security Analyst
Finisar
01.2011 - 02.2016
- Passionate Cybersecurity Leader Committed to Safeguarding Digital Assets
- Spearheaded the Information Security program across the organization, crafting robust policies and procedures aligned with the ITIL framework to enhance cybersecurity resilience
- Led a dedicated team of six cybersecurity professionals to implement a comprehensive Information Security Program, focusing on mitigating insider threats through advanced network and endpoint DLP solutions, deploying Symantec Endpoint Protection, piloting and integrating SIEM with IBM QRadar, developing incident response protocols, and overseeing vulnerability management with Nexpose.
Security Operations Center Analyst
Wipro Technologies
08.2007 - 01.2011
- Responsible for security monitoring, analysis, triage, incident alerting, and compliance reporting in line with PCI DSS norms for a leader in Card payment industry
- Managed RSA enVision, SIEM detections, and Sun Identity Manager for user access control and security group audits, safeguarding the MasterCard network during Operation Payback DDoS attacks.
Education
Master of Science - Physics
Andhra University
Visakhapatnam05.2006
Skills
- Vulnerability Assessment
- Social Engineering
- Security analytics
- Security Auditing
- NIST Frameworks
- Threat Intelligence
- Security Architecture
- Endpoint Security
Certification
- CISSP - Certified Information System Security Professional
Languages
Telugu
Native language
English
Proficient
C2
Timeline
Regional Service Delivery Manager
Tata Consultancy Services
07.2019 - 04.2023
SIEM Consultant - Shared SOC Services
Tata Consultancy Services
02.2018 - 06.2019
Security Operations Lead
Tata Consultancy Services
02.2016 - 02.2018
Sr. IT Security Analyst
Finisar
01.2011 - 02.2016
Security Operations Center Analyst
Wipro Technologies
08.2007 - 01.2011
Cyber Security Consultant
Tata Consultancy Services
Master of Science - Physics
Andhra University
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