The CyberGuard field guide

Cybersecurity,
explained clearly.

A practical dictionary for the language behind digital safety. Start with a question, follow a topic, or browse the full collection.

151 published definitions20 security topicsExamples and source links on every page

RESULTS

Terms beginning with I

13 definitions found.

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Cloud Security

IAM Policy

An IAM policy is a set of access rules that determines which identities or resources may perform specified actions under specified conditions.

Network Security

IP Address

A numeric address used to identify a network interface in Internet Protocol communication.

Network Security

IPv6

The 128-bit version of Internet Protocol addressing and packet delivery.

Incident Response

Incident Containment

Incident containment is the set of actions taken to limit the spread and immediate impact of a security incident while preserving a path to investigate and recover.

Incident Response

Incident Response

Coordinated actions to prepare for, detect, contain, eradicate, and recover from a cybersecurity incident.

Incident Response

Incident Severity

Incident severity is a ranking of the actual or potential impact of a security incident used to guide urgency, escalation, and response resources.

Cloud Security

Infrastructure as Code

Infrastructure as code is the practice of defining cloud resources and settings in versioned, machine-readable configuration.

Web Application Security

Insecure Direct Object Reference

An insecure direct object reference (IDOR) exposes an object through a user-controlled identifier without checking the caller's permission for that object.

AI Security

Insecure Output Handling

Insecure output handling occurs when an application treats AI generated text as trusted code, markup, instructions, or commands without appropriate validation.

Core Cybersecurity

Integrity

Protection against unauthorized or improper alteration of information.

Security Technologies

Intrusion Detection System

A technology that monitors activity and alerts on signs of potential intrusion.

Network Security

Intrusion Prevention System

An intrusion prevention system monitors activity for signs of attack and can automatically block or interrupt traffic that matches its detection logic.