Viraj Singh

At Kyndryl, I support NDR operations for Bharti Airtel, monitoring Seceon aiSIEM/aiXDR sensors alongside Darktrace and Vectra AI. I use packet inspection and behavioral analytics to detect threats, and map adversary behavior to MITRE ATT&CK for threat intelligence reporting and detection rule tuning.

At Tata Advanced Systems, I triaged alerts across ArcSight SIEM and Seceon, reducing triage time through workflow improvements and rule-based noise filtering. I also escalated confirmed phishing and brute-force cases and performed DLP analysis, VPN log correlation, and endpoint triage.

In my Purple Team Detection Lab, I built an isolated VMware environment to simulate adversary techniques and validate SIEM detection rules. I wrote Python log-parsing scripts for IOC extraction and alert triage, and I'm pursuing the CEH certification as I work toward Purple Team engineering.