- EEPROM (Electrically Erasable Programmable Read-Only Memory)A type of non-volatile memory used in computers and other electronic devices to store small amounts of data that must be saved when power is removed. The data stored in EEPROM can be electrically erased and reprogrammed, which provides flexibility but also requires careful management to prevent unauthorized data alteration or disclosure.
- EFTA (European Free Trade Association) The European Free Trade Association (EFTA) is a regional trade organization and free trade area consisting of four European states - Iceland, Liechtenstein, Norway, and Switzerland. It operates in parallel with the European Union (EU) and participates in the European Single Market while remaining outside of the EU. EFTA facilitates free trade and economic cooperation between its members and also manages a network of trade relations around the world through its own international trade agreements.
- EFT (Electronic Funds Transfer) Refers to the digital transfer of money from one bank account to another, either within the same financial institution or across different institutions, via computer-based systems. EFTs include a variety of financial transactions, such as direct deposits, wire transfers, direct debits, online bill payments, and transactions initiated through credit or debit cards. EFTs enable quick and secure movement of funds, reducing the need for paper checks and cash handling. They are widely used for both personal and business financial transactions.
- Egress In networking, egress refers specifically to traffic that is exiting a network. When data packets leave a network boundary en route to their destination, such as traffic departing from a private local area network (LAN) to the Internet, it is referred to as egress traffic. Egress control, including egress filtering and monitoring, is essential for network security to prevent unauthorized data transmission and ensure compliance with network policies.
- Egress Filter A network security measure that monitors and restricts the flow of outbound traffic from one network to another. Typically implemented in firewalls or routers, egress filtering rules ensure that only authorized data leaves the network, helping to prevent data exfiltration and stop the spread of malware. It's essential for enforcing network security policies and ensuring that only legitimate, necessary traffic is allowed out.
- Egress Monitoring The process of continuously checking data leaving an organization's network for the purpose of detecting and preventing unauthorized data transfer. Through egress monitoring, organizations aim to protect sensitive information from leakage, theft, or misuse by insiders or compromised systems. This practice is a critical component of a comprehensive data loss prevention (DLP) strategy.
- EKMS (Electronic Key Management System) A system designed to handle the generation, distribution, accounting, and destruction of cryptographic keys. As part of a robust encryption strategy, the EKMS ensures that the necessary cryptographic keys are available when needed and are kept secure at all times to prevent unauthorized access to encrypted data.
- Electromagnetic fields (EMF) Invisible areas of energy, often referred to as radiation, are associated with the use of electrical power and various forms of natural and man-made lighting. In the context of security, EMFs can be a concern as they may be used in side-channel attacks where an adversary could potentially capture information from the radiation emitted by a device. Measures such as shielding and maintaining a secure physical distance can be used to mitigate this risk.
- Electronic Code Book (ECB) ModeElectronic Code Book (ECB) Mode is the simplest form of block cipher encryption where each block of plaintext is encrypted independently. Its main weakness lies in not hiding data patterns well, as identical plaintext blocks produce identical ciphertext blocks. This predictability can lead to security vulnerabilities, making ECBs unsuitable for the encryption of large amounts of data, especially if they contain repetitive information.
- Electronic vaulting (e-vaulting) The transfer of backup data to an off-site storage system using network connections. This method is usually automated and occurs at pre-scheduled times to ensure data availability in case of unexpected events. Its purpose is to protect critical data from site-specific disasters and improve recovery time while maintaining the confidentiality, integrity, and availability of the data.
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