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Optiv Cybersecurity Dictionary Breadcrumb Home Cybersecurity Dictionary Encryption What is Encryption? Encryption is a method in which plaintext or other data is converted from readable form to an encoded version that can only be decrypted with a decryption key. End-To-End Encryption It is the most effective way to achieve data security for the end-to-end protection of sensitive data transmitted across networks (data in motion), as well as sensitive data held in various systems and devices (data at rest). A popular internet security protocol that uses public key encryption is the Secure Sockets Layer (SSL), along with its successor, Transport Layer Security (TLS). These protocols are commonly used by browsers and internet servers when transmitting confidential data such as financial details for e-commerce transactions. Asymmetric vs. Symmetric Encryption Today's most widely used encryption algorithms fall into two categories: symmetric (single key, which is faster but requires the sender to share the key with the recipient) and asymmetric (public key cryptography, which uses two linked keys: one public and one private). Many regulatory organizations and standards bodies (such as PCI-DSS) require encryption. Image Encryption: Why It Matters In the physical world, locking your door deters criminals from stealing your stuff. Think of encryption as your lock for the digital world, one that prevents cybercriminals from stealing your data (by encoding it to be unreadable). Encryption is probably already engrained into your daily life, especially if you consider that internet-connected conveniences (e.g. banking, shopping and communicating) depend on it to keep your sensitive information secure. There’s no telling how long encryption will stay relevant in an ever-shifting security landscape, but it currently stands as an effective and necessary security layer for organizations of all sectors and sizes. As of May 2021, the White House EO recommends enforcement of end-to-end encryption practices as a standard security protocol. Related Services Compliance Connected Devices Cyber Strategy & Roadmap Data Governance Privacy & Protection Digital Transformation Identity Infrastructure Ransomware Risk Program Development Third-Party Risk Management Encryption Solutions You need data security, stat. Opt for end-to-end encryption solutions that both protect sensitive data transmitted across networks (data in motion) and the sensitive data held in various systems and devices (data at rest). Not sure where to start? Enlist Optiv’s experts to help: Lock It Image Related Terms DLP – Data Loss Prevention Data loss prevention (DLP) is a technology and business process designed to detect and prevent violations to corporate policies regarding the use, storage and transmission of sensitive data. See Full Definition SSL/TLS (Secure Sockets Layer/ Transport Layer Security) Secure Sockets Layer (SSL), the most widely used cryptography protocol in internet history, was designed to provide communications security over a computer network. SSL was developed by Netscape in the mid-1990s, and was upgraded in 1999 to a more secure version called TLS (Transport Layer Security). The technology continues to evolve and harden with successive versions since then. See Full Definition PCI and PCI DSS – The Payment Card Industry Data Security Standard PCI compliance usually refers to the PCI Data Security Standard (DSS), which is an information security standard for organizations that handle branded credit cards from the major card companies. See Full Definition Other Sources: Encryption Is the First Step in Your Cybersecurity Strategy – Forbes Encryption: Why It Matters – BSA | The Software Alliance Share: Contact Us