In our previous posts, we built our fortress with Defense in Depth and restricted movement inside the walls using the Principle of Least Privilege. But there is still a glaring vulnerability: what if a single, highly trusted individual decides to go rogue? Or, less maliciously, what if they simply make a catastrophic typo? Welcome to Part 3 of our cybersecurity series. Today, we are examining a principle designed to prevent any single point of human failure: Separation of Duties (SoD). What is Separation of Duties? Separation of Duties (SoD) is the security practice of dividing the steps of a critical process or the privileges of a critical system among multiple people. In straightforward terms: no single person should have the authority to execute a high-risk action from start to finish. By requiring at least two individuals to complete a task, you inherently create a system of checks and balances.…