Cybersecurity expert, mature man, (40yo), short hair, glasses, beard, formal wear, suit, tie, standing, hands behind back, confident pose, modern office, cityscape, skyscraper, floor-to-ceiling windows, marble floor, sleek metal desk, multiple monitors, complex network diagrams on walls, futuristic atmosphere, neon lights, low-key ambient lighting, shallow depth of field, cinematic composition, wide-angle lens.