8.1.1 Assign all users a unique ID before allowing them to access system components or cardholder data.
8.1.1 Interview administrative personnel to confirm that all users are assigned a unique ID for access to system components or cardholder data.
By ensuring each user is uniquely identified— instead of using one ID for several employees—an organization can maintain individual responsibility for actions and an effective audit trail per employee. This will help speed issue resolution and containment when misuse or malicious intent occurs.