Server hacking is a big headache for a server admin. Below are few suggestions to prevent server hacking:
1. Keep your passwords a secret
If you must give a password to someone, be sure to change it when they are done using the access. Don't write your passwords down or share them with too many people. Periodically change your passwords. You can find more by searching "How can I make a stronger password?"
2. viruses, trojans, keyloggers
Along the same idea, you need to make sure your personal computer does not have viruses, trojans, keyloggers, etc.
3. Use latest version of third party scripts or programs
Keep your scripts and downloaded programs updated. Always upgrade to the latest version of your blog, forums, shopping carts, etc.
4. Permissions
Do not have writable file permissions. The correct permissions are normally 755 and 644, adn you can check these in your File Manager. Most users know to avoid 777 permissions, but you really want to avoid any permission settings which allow Group and World writing. (That's anything ending in 7, 6, 3, or 2. The first number can be one of these, but not either of the last two numbers.)
Thanks!
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