At Vo Minh IT Services Co., Ltd, I designed and implemented data security solutions, handled information security incidents, and deployed and maintained firewalls. I also managed access control and user privileges across systems.
At Dieu Phuc Trading & Services Co., Ltd (CellphoneS), I installed and configured systems and applications, maintained network infrastructure, and supported firewall security policies and IDS/IPS deployment.
On the Phan Thi Company ransomware response, I led containment and forensic investigation, using tools including FTK Imager, Belkasoft, AVML, and Volatility 3 to investigate lateral movement and suspicious connections.
In my work on the Golden Growth Biotechnology incident, I investigated the attack chain and supported recovery by rebuilding Windows Server 2022, restoring data from backups, hardening endpoints, and reconfiguring the FortiGate firewall. My cybersecurity thesis applied Kali Linux and digital forensics to enterprise data security and received the Best Applied Thesis in Information Technology award.
