发光的数字锁，带有电路线条，用于网络安全和数据保护背景

n technology background featuring a glowing digital lock positioned at the center of a blue tech interface. Circuit lines extend outward from the lock, visualizing data flow, connectivity, and network infrastructure. The bright blue neon glow creates a futuristic look that represents cybersecurity, data protection, privacy, and secure digital systems. Ideal for online security themes, IT visuals, and technology-focused backgrounds.