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 R

9 definitions found.

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Malware

Ransomware

Malware used to deny access to data or systems and demand payment or another concession.

Malware

Ransomware as a Service

Ransomware as a service is a criminal operating model in which a ransomware developer or operator supplies tools and infrastructure to affiliates who conduct attacks.

Business Cybersecurity

Recovery Point Objective

Recovery point objective is the target point in time to which data must be recoverable after a disruption, expressing acceptable potential data loss.

Business Cybersecurity

Recovery Time Objective

Recovery time objective is the target maximum time to restore a service or process after a disruption before the outage causes unacceptable impact.

AI Security

Retrieval Augmented Generation Risk

Retrieval augmented generation risk is the possibility that retrieved documents or embeddings mislead an AI answer, cross access boundaries, or expose sensitive data.

Network Security

Reverse Proxy

A reverse proxy is an intermediary that receives client requests as the public-facing endpoint and forwards them to one or more backend services.

Core Cybersecurity

Risk Assessment

A structured evaluation of possible harm, likelihood, and existing safeguards.

Incident Response

Root Cause Analysis

Root cause analysis is the structured effort to identify the conditions that allowed an incident to occur and to prevent similar failures.

Malware

Rootkit

A rootkit is software or a set of techniques used to conceal malicious presence or activity by changing what a system reports to defenders.