Cybersecurity expert, male, 35yo, beard, glasses, white shirt, black pants, sitting, office, desk, laptop, multiple monitors, diagrams on the wall, futuristic cityscape outside window, evening, warm lighting, cinematic composition, shallow depth of field, heroic pose, confident expression, security blueprints, firewalls, servers, routers, encryption symbols, warning signs, alert messages, coding screens, system architecture diagrams, network topology maps, threat modeling charts.