- Data corruption - Wikipedia
The adjacent image is a corrupted image file in which most of the information has been lost Some types of malware may intentionally corrupt files as part of their payloads, usually by overwriting them with inoperative or garbage code, while a non-malicious virus may also unintentionally corrupt files when it accesses them
- Recovery Toolbox - Wikipedia
Recovery Toolbox, Inc is an IT company that has been developing software for repairing corrupted files since 2003 To date, they have developed solutions to repair corrupted files of over 30 different types, including extensions created with Microsoft Office software (such as Outlook and Excel) and data stored on various media (hard drives, portable devices, CDs DVDs, etc )
- TestDisk - Wikipedia
TestDisk is a free and open-source data recovery utility that helps users recover lost partitions or repair corrupted filesystems [1] TestDisk can collect detailed information about a corrupted drive, which can then be sent to a technician for further analysis
- Data recovery - Wikipedia
Data recovery In computing, data recovery is a process of retrieving deleted, inaccessible, lost, corrupted, damaged, or overwritten data from secondary storage, removable media or files, when the data stored in them cannot be accessed in a usual way [1]
- Error detection and correction - Wikipedia
Some file formats, particularly archive formats, include a checksum (most often CRC-32]) to detect corruption and truncation and can employ redundancy or parity files to recover portions of corrupted data Reed-Solomon codes are used in compact discs to correct errors caused by scratches
- File verification - Wikipedia
File verification is the process of using an algorithm for verifying the integrity of a computer file, usually by checksum This can be done by comparing two files bit-by-bit, but requires two copies of the same file, and may miss systematic corruptions which might occur to both files
- Data cleansing - Wikipedia
Data cleansing or data cleaning is the process of identifying and correcting (or removing) corrupt, inaccurate, or irrelevant records from a dataset, table, or database It involves detecting incomplete, incorrect, or inaccurate parts of the data and then replacing, modifying, or deleting the affected data [1] Data cleansing can be performed interactively using data wrangling tools, or
- File carving - Wikipedia
File carving is the process of reassembling computer files from fragments in the absence of filesystem metadata It is used in IT forensics and data recovery Carving is typically used on storage media with a corrupted file system or for storage areas that are listed as free in the existing file system
|