When information on an IT system is modified or erased, some or all of the original data may still be stored on the system in some form. This is one of a set of inherent characteristics of computer storage systems and is referred to as data remanence. Any information that remains on a disc may then be recovered by unauthorized individuals or organizations using various tools, which may cause serious security risks and/or privacy issues.
Specialized processes and tools such as data erasure software are needed to safely remove and secure sensitive and classified data from computers, peripherals, and network components. The procedure to remove information stored on discs is valuable when a need arises for system upgrading, decommissioning, reassigning, or discarding data storage components. Although physical destruction of storage media is required for some types of classified data, data bits may still be recovered by various means such as examining shredded hard drive platters with electron microscopy. Applying method using an approved tool to overwrite the data, in addition to destroying the storage media if called for by operational requirements, represents the most secure form of data sanitizing.
Some ares of concern that should be evaluated are:
Data storage types, their specific issues and risks of handling and decommissioning data.
Current trends and methods in electronic data erasure
How to safely secure sensitive and classified data.
Processes and tools recommendations.
Data destruction tools are critical for government data, bank records, financial data, corporate intellectual property, medical records, etc, and have been evaluated and are in use by major banks, information technology corporations and government agencies in the U.S. and around the world.
There are onsite data destruction services offered by companies who are providing state of the art methods and processes to ensure complete, safe and certifiable sanitizing of hard drives. Whether data destruction is completed in house or out of house can best be decided by how sensitive the data or how detrimental its unauthorized use would be to the company or agency.
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Tags: data destruction services, data erasure software, data remanence