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Write blocking, a subset of write protection, is a technique used in computer forensics in order to maintain the integrity of data storage devices. By preventing all write operations to the device, e.g. a hard drive , it can be ensured that the device remains unaltered by data recovery methods.
This copy protection can be defeated simply by using a computer that is not running Microsoft Windows, not using an account with administrative privileges, or preventing the installer from running, and has long since been discontinued due to a public relations disaster caused by the software behaving identically to a rootkit. Key2Audio
32-bit Disk Access (also known as FastDisk) refers to a special disk access and caching mode available in older, MS-DOS-based Microsoft Windows operating systems. It was a set of protected mode device drivers that worked together to take advantage of advanced disk I/O features in the system BIOS.
It bypassed MS-DOS and directly accessed the disk, either via the BIOS or (preferably) 32-bit disk access (Windows-native protected mode disk drivers). This feature was a backport from the then-unreleased Windows 95, as suggested by Microsoft's advertisements for Windows for Workgroups 3.11 ("the 32-bit file system from our Chicago project").
The Protected Media Path is a set of technologies creating a "Protected Environment," first included in Microsoft's Windows Vista operating system, that is used to enforce digital rights management (DRM) protections on content. Its subsets are Protected Video Path (PVP) and Protected User Mode Audio (PUMA).
Under Windows, inserting the disc will usually autorun an audio player utility, which plays the DRM-protected audio files provided. This can be temporarily disabled by holding down the shift key while inserting the disc on Windows XP and earlier, users of Windows Vista and 7 may simply choose not to run the DRM content.
The two pieces of copy-protection software at issue in the 2005–2007 scandal were included on over 22 million CDs [7] marketed by Sony BMG, the record company formed by the 2004 merger of Sony and BMG's recorded music divisions.
To the user, the disc appears to allow additions and revisions until all the disk space is used. The SD card and microSD card spec allows for multiple forms of write-protection. The most common form, only available when using a full-size SD card, provides a physical write protection switch which allows the user to advise the host card reader to ...