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New default execution policy: On Windows Servers, the default execution policy is now RemoteSigned. Save-Help : Help can now be saved for modules that are installed on remote computers. Enhanced debugging : The debugger now supports debugging workflows, remote script execution and preserving debugging sessions across PowerShell session ...
On 32-bit x86 processors, the code segment is set to include only part of the address space, to provide some level of executable space protection. OpenBSD 3.3 shipped May 1, 2003, and was the first to include W^X. Hardware Supported Processors: Alpha, AMD64, HPPA, SPARC; Emulation: IA-32 (x86) Other Supported: None; Standard Distribution: Yes
Supervisor Mode Access Prevention (SMAP) is a feature of some CPU implementations such as the Intel Broadwell microarchitecture that allows supervisor mode programs to optionally set user-space memory mappings so that access to those mappings from supervisor mode will cause a trap.
chown, the command used to change the owner of a file or directory on Unix-like systems; chgrp, the command used to change the group of a file or directory on Unix-like systems; cacls, a command used on Windows NT and its derivatives to modify the access control lists associated with a file or directory; attrib
A set of such configurations is called a Group Policy Object (GPO). As part of Microsoft's IntelliMirror technologies, Group Policy aims to reduce the cost of supporting users. IntelliMirror technologies relate to the management of disconnected machines or roaming users and include roaming user profiles , folder redirection , and offline files .
The policy file filters the settings it enforces by user and by group (a "group" is a defined set of users). To do that the policy file merges into the registry, preventing users from circumventing it by simply changing back the settings. The policy file is usually distributed through a LAN, but can be placed on the local computer.
A directory traversal (or path traversal) attack exploits insufficient security validation or sanitization of user-supplied file names, such that characters representing "traverse to parent directory" are passed through to the operating system's file system API. An affected application can be exploited to gain unauthorized access to the file ...
Set the default WMF application to be one not susceptible to infection, such as Notepad. Do not use Internet Explorer, or at least turn off downloads by setting the default security settings to high. Keep all anti-virus software up-to-date. Consider frequent manual updates. Block all WMF files on the network perimeter by file-header filtering.