Arc4dia Counter-APT Training is a cybersecurity training service offering instructor-led courses focused on defending against Advanced Persistent Threats (APTs). The program is delivered by practitioners with operational experience in cyber intelligence investigation, reverse engineering, and malware research. Courses are structured to accommodate varying skill levels, from foundational lab exercises to advanced force-on-force scenarios. The curriculum covers a range of technical disciplines including APT tactics, threat detection, reverse engineering (introductory and advanced), and web security. Available courses include: - APT Tactics - Threat Detection Simulated Engagement - Introduction to Reverse Engineering - Advanced Reverse Engineering - Web Security Instructors have backgrounds in mobile malware research, technology development, and have contributed to international events and policy discussions related to cyber defense. The training is designed to develop operational knowledge and techniques applicable to enterprise cybersecurity defense teams.