To read encrypted data, unauthorized users must guess which code was used for encryption and what keys were used as variables. With 256 bits, there are 2256 possible combinations to hack the code. Developed by the National Institute of Standards and Technology (NIST), AES uses a cryptographic algorithm developed by the Federal Information Processing Standards (FIPS), which is known as the security standard for transmitting sensitive information.ĪES utilizes long blocks of cryptographic code in lengths of 128, 192, or 256 bits. The Advanced Encryption Standard (AES) is the most widely used encryption algorithm. These bits serve as the key to locking and unlocking the data. Encryption is intended to make information unreadable to unauthorized users for purposes of confidentiality, integrity, authentication, and non-repudiation of data.Įncryption works by creating random strings of data, called bits, which are used to encrypt and decrypt information in and out of ciphertext. Units of information (called plaintext) are scrambled using an algorithm to encrypt it, at which point it’s referred to as cipherciphertextĬipher text cannot be read or altered-which is the point. To understand encryption, it’s first necessary to understand cryptography, which is the science of encrypting and decrypting information.Įncryption is the process of hiding digital information via cryptography.
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In this article, you will learn why encryption is an essential security tool for businesses, as well as how to encrypt a file on a Mac computer to protect sensitive company information. Encryption helps companies maintain data integrity by making it difficult for hackers to access and read sensitive data. Businesses must therefore consider how to properly secure these devices and their files.Ī key component of cybersecurity is the encryption of files and devices. Parallels® reports that 55% of businesses use (or allow the use) of Mac devices. Gatekeeper functions as a security feature for the macOS operating system that verifies applications before running them-in theory helping to deter malware from running on a device.
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Researchers have also successfully bypassed one of Apple’s key security features, Gatekeeper, in order to steal user information and install malware. The virus, which exploited a gap in programming of the Java application, turned Mac computers into “zombie computers” and allowed hackers to gain personal user data.
For example, Kaspersky Lab estimates that 700,000 Mac users were affected by the Flashback Trojan virus by 2014. Although Mac computers generally have a reputation for being more secure than PCs, this is a myth: these devices are also susceptible to cyberattacks.
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