- Lifecycle of cryptography The process of developing, implementing, and managing cryptographic systems for information security. It involves selecting the appropriate cryptographic algorithms and key sizes, generating and securely storing keys, and regularly updating and retiring cryptographic systems. It is used in various industries to protect sensitive information such as financial transactions, medical records, and government communications.
- Li-Fi (Light Fidelity) Li-Fi (Light Fidelity) is a technology for wireless communication that uses light to transmit data at high speeds. Unlike Wi-Fi, which uses radio frequencies, Li-Fi operates through visible light, infrared, or ultraviolet spectrums, providing an additional layer of security as light cannot pass through opaque structures. This makes it useful for high-security environments and areas with electromagnetic interference.
- Lightweight Directory Access Protocol (LDAP)A networking protocol used to access and manage directory information services over a network. It is used in identity and access management systems to store and manage user and application credentials. Examples include Active Directory and OpenLDAP.
- Lightweight Directory Access Protocol (LDAP) Injection AttackAn attack that exploits a vulnerability in LDAP-enabled applications by injecting malicious LDAP statements into user input. It is used to gain unauthorized access to sensitive data or perform malicious actions. Examples include modifying LDAP queries to bypass authentication or retrieve sensitive information.
- Lightweight Extensible Authentication Protocol (LEAP)A protocol used in wireless networking to provide secure authentication between a client and an access point. It is used in wireless networks to ensure that only authorized users can access the network. Examples include Wi-Fi networks in offices and public spaces.
- Likelihood In the context of risk management, likelihood refers to the probability that a given threat will exploit a vulnerability to cause harm to an organization. It is a key component in assessing risk levels and prioritizing security efforts.
- Limit check A security measure that sets a limit on the amount of data that can be accessed or processed in a given time period. It is used to prevent unauthorized access to sensitive information and to limit the impact of security breaches. Examples include limit checks on the number of login attempts and the amount of data that can be transferred in a single transaction.
- Limited Maintenance The practice of providing only essential updates and fixes to a product or system, typically one that is nearing the end of its life cycle. During this stage, changes to the product or system are minimized and are usually focused on addressing critical vulnerabilities or significant operational issues. This practice is usually applied in an effort to manage resources effectively while planning for the replacement or retirement of the product or system.
- Limit Registers Limit registers in computer architecture are used to define the boundaries of the memory space that a process or application is permitted to access. They help protect the system by preventing a program from reading from or writing to memory outside its allocated area, thereby avoiding potential security breaches like buffer overflows.
- Linear bus topology A network configuration where all devices are connected to a single central cable or bus, forming a straight line. It is used in small networks where simplicity and low cost are the main priorities. Examples include home networks and small office networks.
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