Separation of duties - is a means of establishing checks and balances against the possibility that critical system or procedures can be compromised by insider threats. Duties and responsibilities should be divided among individuals to prevent ethical conflicts or abuse of powers.

Password spraying is a type of brute-force attack in which a malicious actor uses a single password against targeted user accounts before moving on to attempt a second password, and so on. This technique allows the actor to remain undetected by avoiding rapid or frequent account lockouts. https://us-cert.cisa.gov/ncas/current-activity/2019/08/08/acsc-releases-advisory-password-spraying-attacks#:~:text=Password%20spraying%20is%20a%20type,rapid%20or%20frequent%20account%20lockouts.

https://techgenix.com/raid-10-vs-raid-5/