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Is windows defender any good5/3/2023 ![]() ![]() ![]() Windows 8 extends its safe boot protection by ensuring that pre-approved antimalware software gets loaded before malware can take control. Other than Google's Chromium OS, few other popular OSes have plans to implement UEFI-like protections or are still arguing about how to pull it off and when to implement. After receiving a healthy and validated handoff from the firmware, it continues to ensure that only pre-approved, digitally signed code can be run.Īlthough other OSes can and will use UEFI secure boot, Windows 8 and Windows Server 2012 are the only OSes in which it will be enabled by default. If anything unsigned tries to modify the boot process (think rootkit), the UEFI-based firmware will undo the change, as does the OS. UEFI and Windows Secure Boot only allow code signed by pre-approved digital certificates to run during the firmware and OS boot process. However, enabling drive encryption to get a boot integrity solution was considered overkill by many. Prior to UEFI and Secure Boot, you would be notified about malicious firmware and OS boot code modification in Windows only if you enabled BitLocker Drive Encryption with the Platform Configuration Registers (PCRs) configured (the default). The risk of firmware-attacking malware is rising, if you believe the National Institute of Standards and Technologies, the military, and many Fortune 100 CSOs. Windows 8's Secure Boot feature builds on the open standard UEFI (Unified Extensible Firmware Interface) specification to make Windows incredibly resistant to malicious modification from preboot to full OS booting, preventing firmware attacks. ![]() Windows Defender - it is one of the security levels in windows 8 & 8.1 ![]()
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