Set a firmware password to prevent unauthorized access to recovery modes.
Third-party tools (like iBypasser Lite or T2Unlocker – none are truly free) modify the Secure Boot variable. A macOS delta update will overwrite that variable, causing a brick. macbook t2 bypass free upd
Using these tools on a stolen MacBook is theft, and many of the free tools explicitly state that they are for bypassing security on stolen devices. Set a firmware password to prevent unauthorized access