Database & Security Line Icons
https://elements.envato.com/database-security-line-icons-WYRJD47
Free 
Programming – Scene Situation
文件下载,https://downloads.cgguy.com/d/vianetsp/Preview/04zipfiles/2022/05/21/CGguy202205211255.zip
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Cloud computing – Scene Situation
文件下载,https://downloads.cgguy.com/d/vianetsp/Preview/04zipfiles/2022/04/22/CGguy202204221420.zip
Free 
100 Cyber Security & Database Icons by MotionTheoryStudio on CGguy
https://elements.envato.com/100-cyber-security-database-icons-ME9KHYA
Free