Incident Response Retainer Selection

An incident response retainer is a pre-negotiated contract with an IR (incident response) firm that guarantees access to the firm's expertise and resources when a security incident occurs.

Threat IntelligenceTIDThreatRGARiskIntermediateCONFIDENTIAL2,591 words11 min readApr 7, 2026

Last updated Apr 11, 2026

CLASSIFICATION: CONFIDENTIAL

This article requires CONFIDENTIAL clearance or higher.

What you need

Create a free Nexus ID to access CDA proprietary content including PDM domain explainers, methodology deep-dives, and reconnaissance mission briefings.

Create Nexus ID (Free)

Also at this clearance level

Threat IntelligenceTIDThreatIntermediate

Table of Contents

Incident Response Retainer Selection

What you need

Also at this clearance level

APT28 (Fancy Bear / Forest Blizzard)

Lazarus Group (HIDDEN COBRA / Diamond Sleet)

Salt Typhoon

Single Sign-On (SSO) Architecture

The Academy

The Command Post

The Armory