CHT Security Co., Ltd. provides cybersecurity services. Its security assessment services include source code security analysis, vulnerability assessment, web personal data scanning, penetration testing, cyber security evaluation, social engineering assessment, mobile app security assessment, red teaming, financial security assessment, IoT testing, DDoS simulation, and OT security; and managed security and consulting services comprise security operation center, CERT and digital forensics, managed detection and response, website defacement monitoring, public key infrastructure, and ISMS and PIMS. The company also offers cloud security services, including cloud SOC, cloud cyber security evaluation, vulnerability analysis and notice system, external attack surface management, phishing test, and cloud-based log management system, as well as network and endpoint security, vulnerability assessment, and security management solutions. It serves critical infrastructure, finance, manufacturing, healthcare, enterprise, and consumer industries, as well as government. The company was founded in 2017 and is based in Taipei, Taiwan. CHT Security Co., Ltd. is a subsidiary of Chunghwa Telecom Co., Ltd.