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Today’s encryption tools can protect stored data or data at rest such as individual files, directories, whole hard disks or selected partitions or volumes. Using varying degrees of cipher algorithms, it can encrypt or encode data containing sensitive information and make it unreadable to anyone or any device without the proper key to decode it back to its readable state. What is encryption software?Įncryption software is a program that converts readable information into unreadable or unintelligible data. An effective way to protect data is to make it unusable to attackers with encryption software. Another approach is to protect that which is the subject of the attack, which is data. These two-layered defense of constant prevention and active detection is very effective against the attacker. For the next layer of defense, organizations use detection systems to continuously monitor suspicious activities if someone has managed to get inside their digital fence. Although effective most of the time for common threats, seriously committed attackers eventually find a way in. Most businesses today invest in IT perimeter security to keep outsiders from getting in uninvited.