Cybersecurity expert, male, muscular build, stern expression, black glasses, short brown hair, formal wear, white shirt, black tie, dark blue suit, sitting, futuristic high-tech laboratory, neon lights, rows of servers, complex network cables, futuristic holographic displays, encrypted data streams, firewalls, intrusion detection systems, security protocols, 3/4 composition, low-angle shot, dramatic lighting, cinematic mood.