When One Compromised Client Site Causes All Your Sites to Get Flagged by Google: What Agencies Should Do
https://www.scribd.com/document/983852214/Why-JetHost-WordPress-Specialists-Matter-More-Than-Generic-Hosting-Support-220037
That sinking feeling when a single client site gets hacked and suddenly every domain your agency manages shows a security warning in search results or Chrome - it's a rite of passage for many agencies