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Credential Guard is a virtualization-based isolation technology for LSASS which prevents attackers from stealing credentials that could ... As of Windows 10 version ...
Mandatory Integrity Control is defined using a new access control entry (ACE) type to represent the object's IL in its security descriptor.In Windows, Access Control Lists (ACLs) are used to grant access rights (read, write, and execute permissions) and privileges to users or groups.
The Windows kernel is designed so that device drivers have the same privilege level as the kernel itself. [6] Device drivers are expected to not modify or patch core system structures within the kernel. [1] However, in x86 editions of Windows, Windows does not enforce this expectation.
Linux, macOS and Windows are three operating systems that use supervisor/user mode. To perform specialized functions, user mode code must perform a system call into supervisor mode or even to the kernel space where trusted code of the operating system will perform the needed task and return the execution back to the userspace.
The Windows Vista boot loader checks the integrity of the kernel, the Hardware Abstraction Layer (HAL), and the boot-start drivers. Aside from the kernel memory space, Code Integrity verifies binaries loaded into a protected process and system installed dynamic libraries that implement core cryptographic functions.
Windows 11 is the latest major release of the Windows NT operating system and the successor of Windows 10. Some features of the operating system were removed in comparison to Windows 10, and further changes in older features have occurred within subsequent feature updates to Windows 11. Following is a list of these.
User Interface Privilege Isolation (UIPI) is a technology introduced in Windows Vista and Windows Server 2008 to combat shatter attack exploits. By making use of Mandatory Integrity Control, it prevents processes with a lower "integrity level" (IL) from sending messages to higher IL processes (except for a very specific set of UI messages).
Process isolation can be implemented with virtual address space, where process A's address space is different from process B's address space – preventing A from writing onto B. Security is easier to enforce by disallowing inter-process memory access, in contrast with less secure architectures such as DOS in which any process can write to any ...