Sasitha Peiris

Maintained and updated Information Security Incident Response plans and procedures for the bank, ensuring alignment with industry standards. Tracked and followed up global security events and trends to assess potential threats to New Zealand Finance institutes.

Designed, managed, and maintained incident playbooks for all district health boards in New Zealand. Conducted malware investigations and post-incident reporting, acting as one of the primary security incident responders for the Southern region.

Provided risk assessments, security advice, and guidance to the ICT Security team at the Ministry of Justice. Acted as the Subject Matter Expert for Information Security Management on-site, investigating and reporting on potential cybersecurity threats.

Monitored and intercepted all IT security incidents and alerts, triaging and resolving them through AlienVault SIEM. Executed phishing campaigns and trainings for employees, significantly reducing incident alarms.

Served as the principal security incident responder at the SOC for security operations, conducting VA analysis and follow-up pen-tests on websites and applications. Performed threat hunting and root cause analysis of critical incidents through Azure Sentinel.

Maintained current virus protection with updated signatures and patches against new threats. Owned security patch management on Linux and Windows servers, Palo Alto Firewall, and VMWare ESX servers.

Provided L3 Systems support and critical incident analysis reports, performing system monitoring and implementing corrective actions. Improved the security posture of all devices, including routers and switches, for POS systems.

Provided L3 Systems support and critical incident support. Recognized for excellent customer service and client satisfaction.

Completed a Bachelor of Science degree focusing on Information Systems and Technology. The curriculum provided a strong foundation in IT principles and practices.

Obtained an Executive Master of Science degree specializing in Information Security. This program enhanced expertise in advanced security concepts and practices.