: Replaced the traditional BIOS with UEFI to verify that only trusted, digitally signed components load during startup, effectively blocking "bootkits".
: A four-digit PIN provides a faster, device-specific alternative to typing a complex Microsoft account password. 3. Current Risks & Mitigation (2025-2026) How Secure Is Windows 8? – AZMATH
: Expanded from Internet Explorer to the entire OS, checking all downloaded files against a reputation database to block unrecognized or malicious programs before they run. : Replaced the traditional BIOS with UEFI to