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ICMP - Internet Control Message Protocol

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A network protocol used to send diagnostic messages, such as error reporting and connectivity checks, between network devices.

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WEP - Wired Equivalent Privacy

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An outdated Wi-Fi encryption standard that provides weak security and is vulnerable to attacks, making it unsuitable for modern networks.

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SSL - Secure Sockets Layer

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A cryptographic protocol that encrypts data transmitted between a web browser and a server, ensuring secure communication. Now largely replaced by TLS.

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WPA2 - Wi-Fi Protected Access 2

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A strong encryption standard for securing Wi-Fi networks, improving upon WEP. WPA3 is its more advanced successor.

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MiTM - Man-in-the-Middle Attack

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A cyberattack where an attacker intercepts and potentially alters communication between two parties without their knowledge.

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LAN - Local Area Network

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A network that connects computers and devices within a limited area, such as a home, office, or campus.

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MFA - Multi-Factor Authentication

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A security mechanism that requires multiple verification methods, such as a password and a one-time code, to enhance security.

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CIRT - Computer Incident Response Team

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A group of cybersecurity professionals responsible for responding to security incidents, mitigating damage, and preventing future threats.

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DNS - Domain Name System

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A system that translates human-readable domain names (e.g., google.com) into numerical IP addresses used by computers to locate web servers.

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WAN - Wide Area Network

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A large-scale network that connects multiple LANs over a vast geographical area, such as a corporate network spanning multiple cities.