Ramachandran Vijayakumar Email & Phone Number

California, United States

Newark, California, US

Sunnyvale, CA, US

• Performed security monitoring, security event triage, and incident response using SIEM and CASB solutions.
• Analyzed alert patterns to provide recommendations for policy improvement.
• Responded to daily security incidents following established incident response methodology.
• Ensured continuous improvement of security operations processes and procedures.
• Conducted incident response activities as appropriate, including triage, root cause analysis, kill chain analysis, escalations, notifications, and communication with the relevant parties.
• Performed threat hunting across the network to proactively detect anomalous events and possible intrusions/attacks.

San Jose, CA, US

• Identified critical applications for security monitoring and logging events and analyzed the gaps to develop security use cases with the best performance and detection capabilities.
• Leveraged threat indicators from EDR solutions and developed complex use cases and created alerts in Splunk to detect anomalous events proactively.
• Designed dashboards to enable threat hunting, increase visibility to logs and reduce search time, using XML and Search Processing Language (SPL).
• Fine-tuned existing use cases and reduced the work spent by the Incident Response / Security Operations Center analysts on investigating benign events.
• Created operational metrics and suggested improvement measures to the processes and procedures related to the incident response by collaborating with internal and external teams.
• Leveraged MITRE ATT&CK framework for implementing security monitoring and controls.

• Detected attacks against Instart and its customer base using Splunk, which aided in determining the attacks, created security rules to track suspicious events, and implemented proper mitigations.
• Analyzed network traffic and systems behavior using security tools and techniques to detect and track potential attacks and adversaries.
• Responded to security incidents and connected with technical peers and customers.

Detroit, MI, US

• Monitored the network traffic and attack patterns using the Akamai Luna console and investigated abnormal spikes in the network traffic.
• Examined the alerts triggered by the Splunk SIEM, Performed triages by determining the criticality of the alerts and scope of impact, and responded in a timely fashion.
• Used FireEye Endpoint Detection & Response (EDR) to find suspicious activities by analyzing alerts.
• Investigated indicators of compromise like file hashes, IP addresses, and domains in the alerts and created incident responses.

Chicago, Illinois, US

• Designed, Built and Tested Cost Effective Pentesting Methodology that satisfied the requirements of popular Cyber Security Frameworks like PCI and HIPAA.
• Used various security tools to perform Penetration Tests on a variety of platforms.
• Performed analysis, created reports and presentation detailing the attack types, objectives, data, results and flaws.

Bangalore, Karnataka, IN

• Used port scanners to evaluate the strength and weaknesses of the network. Performed risk assessments and tested data processing systems.
• Installed firewalls, data encryption, and other security measures.
• Led a team of 6 new trainees and provided knowledge transfer sessions on network and information security procedures.
• Conducted penetration testing, to simulate attacks to look for vulnerabilities in systems before exploiting.
• Worked with Financial Services and Insurance (FSI), Insurance Cards and Payments (ICP) domains and is familiar with PCI DSS and HIPAA regulations and frameworks.
• Worked with vulnerability assessment and conducted software application vulnerability scans.

Doctor Of Philosophy - Phd, Information Technology

Master Of Science (Ms), Information Technology And Management

Bachelor Of Engineering (B.E.), Electronics And Instrumentation Engineering