Nandhan Rajvir is a Cyber Security Analyst at Karkinos Healthcare since June 2022, bringing extensive experience in web application security and vulnerability assessment. Previously, Nandhan worked at Cognizant from September 2014 to November 2021, specializing in vulnerability assessment and as a web application security tester. Nandhan is a certified ethical hacker with a proven track record in the field. Nandhan holds a Bachelor of Engineering in Computer Science from SNS College of Engineering, completed in 2012.