Modern cybersecurity expert, male, 35-40 years old, wearing a black suit, white shirt, tie, and glasses, standing in front of a large, futuristic, high-tech control room, filled with rows of sleek, silver servers, numerous monitors displaying complex network diagrams, and holographic projections, hand on hip, explaining security architecture design principles, strong facial expression, serious tone, professional background, warm lighting, shallow depth of field, cinematic composition.