A system or service that creates, maintains, and manages users' digital identities, and then provides authentication services to other services.
Glossary
The Intrusion Detection System (IDS) monitors network traffic and system operations. Its purpose is to detect suspicious activity, attempted attacks, and security incidents. An IDS sends alerts when it detects a threat, but generally does not intervene directly to prevent the attack.
IMAP (Internet Message Access Protocol) is a standard e-mail retrieval protocol. It stores email messages on a mail server, allowing you to access your email from anywhere and on any device.
IMAP proxy is a middleware that sits between IMAP clients and email servers. It optimizes email traffic by caching data, reducing server load and improving response times. It also hides the server's IP address, encrypts traffic and provides a security layer, filters traffic and helps identify suspicious activity.
An IP (Internet Protocol) address is a unique numeric identifier for devices connected to the Internet, which allows them to be found on the network. Every computer connected to the Internet has an IP address, but one address can be associated with several devices (e.g. NAT or proxy) and one device can have several addresses (e.g. to identify different network devices on a computer). The IP address is usually assigned by the Internet Service Provider (ISP) and can be static or dynamic. A distinction is made between IPv4 (earlier system, a series of numbers separated by 4 dots) and IPv6 (later system, a series of numbers in hexadecimal format, divided into eight groups of four, separated by a colon).
The Intrusion Prevention System (IPS) monitors network traffic and automatically responds to threats. Its purpose is to detect and block attacks, malicious activities, and unauthorised access attempts. The IPS actively intervenes to provide protection, for example, by terminating a connection or blocking dangerous traffic.