Accounts and permissions.
THE PRINCIPLE
Each person has their own account, with the minimum access they need.
WHY INDIVIDUAL ACCOUNTS
Actions are attributable Access can be removed for one person A compromise affects one account
WHAT SHARED LOGINS COST
No attribution No way to remove one person A password everyone knows and nobody changes
WHAT LEVELS TO USE
Administrator only for those who genuinely need it Editor or equivalent for content The lowest level that allows the work
WHO SHOULD BE ADMINISTRATOR
As few people as possible.
REVIEWING ACCESS
Quarterly.
WHAT YOU WILL FIND
Accounts for people who left Accounts created for a one-off task Accounts nobody recognises
THAT LAST ONE
Investigate immediately.
WHEN SOMEONE LEAVES
Remove access the same day.
The most commonly neglected security action.