expand for answer
Fragile watermark
A watermark that is designed to prove authenticity of an image or other media. A fragile watermark is destroyed, by design, when the cover is manipulated digitially. If the watermark is still intact, then the cover has not been tampered with. Fragile watermark technology could be useful in authenticating evidence or ensuring the accuracy of medical records or other sensitive data.
Similar items:
(1) Removing the classified content of an otherwise unclassified resource. (2) Removing any information that could identify the source from which the information came. Any number of processes that prepares media for destruction. Sanitization is the process that ensures that data cannot be recovered by any means from destroyed or discarded media. Sanitization can also be the actual means by which media is destroyed. Media can be sanitized by purging or degaussing without physically destroying the media.
[view]
[view]
Mirror image backups (also referred to as bitstream backups) involve the backup of all areas of a computer hard disk drive or another type of storage media (e. g. , Zip disks, floppy disks, Jazz disks, etc. ). Such mirror image backups exactly replicate all sectors on a given storage device. Thus, all files and ambient data storage areas are copied. Such backups are sometimes referred to as “evidencegrade” backups and they differ substantially from standard file backups and network server backups. The making of a mirror image backup is simple in theory, but the accuracy of the backup must meet evidence standards. Accuracy is essential and to guarantee accuracy, mirror image backup programs typically rely on mathematical CRC computations in the validation process. These mathematical validation processes compare the original source data with the restored data. When computer evidence is involved, accuracy is extremely important, and the making of a mirror image backup is typically described as the preservation of the “electronic crime scene. ”
[view]
[view]
The process of digitally signing computer code so that its integrity remains intact and it cannot be tampered with.
[view]
[view]
A watermark that is very resistant to destruction under any image manipulation. This is useful in verifying ownership of an image suspected of misappropriation. Digital detection of the watermark would indicate the source of the image.
[view]
[view]
Procedures established to ensure that hardware, software, firmware, and data in a computer system maintain their state of original integrity and are not tampered with by unauthorized personnel.
[view]
[view]
There are no comments yet.