Best way to store a big amount of password while maintaining security

Hello everybody,

One of my websites was recently prey of a vicious attack of malware, I've already cleaned it up and is back-up again, seems like the cause was the Filezilla client stored credentials, that the attacker used to get access to the site directory and upload the corrupted files.

Now I need to know what is the best way to store a big amount of credentials (FTP's, databases creds, admin passwords, etc)?

I've been storing all my password on a password protected WORD document stored on cloud service, what you guys think about this method? and is there any better you recommend?

Thanks in advance, I'm kinda new to managing websites and i'm trying to get my way around things the best as possible and learn the most I can (in the shortest period of time XD) .

 

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