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Apple's mechanisms: Added sources to: how it works > apples mechanisms
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m How it works: Wording change
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'''[[iCloud]] activation:''' macOS devices (MacBooks, iMacs) require periodic authentication with Apple's servers. If a device is flagged in Apple's systems it may be locked out during these server checks.<ref name=":0" /><ref>Hardwick, Tim (January 27, 2023). [https://9to5mac.com/2023/01/27/2020-macs-landfill/ "Two-year-old Macs are being sent to the landfill because of Activation Lock"]. ''9to5Mac''. Retrieved March 25, 2026.</ref>
'''[[iCloud]] activation:''' macOS devices (MacBooks, iMacs) require periodic authentication with Apple's servers. If a device is flagged in Apple's systems it may be locked out during these server checks.<ref name=":0" /><ref>Hardwick, Tim (January 27, 2023). [https://9to5mac.com/2023/01/27/2020-macs-landfill/ "Two-year-old Macs are being sent to the landfill because of Activation Lock"]. ''9to5Mac''. Retrieved March 25, 2026.</ref>


'''T2 and Apple silicon security:''' Modern MacBooks with T2 chips or Apple Silicon (M1, M2, M3 processors) include firmware-level security that communicates with Apple servers during boot and recovery operations. This can prevent device use if Apple's servers indicate the device should be locked.<ref>Apple (September 18, 2024). [https://support.apple.com/guide/security/the-secure-enclave-sec59b0b31ff/web "The Secure Enclave"]. ''Apple Support''. Retrieved March 25, 2026.</ref>
'''T2 and Apple silicon security:''' Modern MacBooks with T2 chips or Apple Silicon (M1, M2, M3 processors) include firmware-level security that communicates with Apple servers during boot and recovery operations. This can render the device unusable if Apple's servers indicate the device should be locked.<ref>Apple (September 18, 2024). [https://support.apple.com/guide/security/the-secure-enclave-sec59b0b31ff/web "The Secure Enclave"]. ''Apple Support''. Retrieved March 25, 2026.</ref>


'''Mobile device management (MDM):''' Organizations using Apple Business Manager can remotely manage, lock, or wipe devices. If purchased through corporate or educational programs, devices may have MDM profiles that persist even after resale.<ref>Apple (March 1, 2024). [https://support.apple.com/guide/deployment/lock-and-locate-devices-depb980a0be4/web "Lock and locate devices"]. ''Apple Support''. Retrieved March 25, 2026.</ref><ref>Apple (September 16, 2024). [https://support.apple.com/guide/deployment/erase-devices-dep0a819891e/web "Erase devices"]. ''Apple Support''. Retrieved March 25, 2026.</ref>
'''Mobile device management (MDM):''' Organizations using Apple Business Manager can remotely manage, lock, or wipe devices. If purchased through corporate or educational programs, devices may have MDM profiles that persist even after resale.<ref>Apple (March 1, 2024). [https://support.apple.com/guide/deployment/lock-and-locate-devices-depb980a0be4/web "Lock and locate devices"]. ''Apple Support''. Retrieved March 25, 2026.</ref><ref>Apple (September 16, 2024). [https://support.apple.com/guide/deployment/erase-devices-dep0a819891e/web "Erase devices"]. ''Apple Support''. Retrieved March 25, 2026.</ref>