TeamT5 - Persistent Cyber Threat Hunters. TeamT5 is a professional Taiwan-based cyber security solution provider. Compared with other cyber threat intelligence (CTI) vendors, TeamT5 has the deepest understanding of cyber espionage in the Asia-Pacific region. Our world-class research team has dedicated to malware research and security incident response for more than 10 years. With solid technical background and frontline expertise, our portal ThreatVision delivers the best CTI, and ThreatSonar offers the most effective APT hunting solutions. With TeamT5, you are able to being ahead of your threats.