Designing Adversary Engagement With Mitre Engage

Designing Adversary Engagement with MITRE Engage

When to Use

• When an organization owns deception tooling (honeypots, honeytokens, canary tokens, decoy files) but deploys it tactically with no unifying strategy or measurable outcome.
• When leadership asks whether the organization should engage adversaries, and what the legal, operational, and resourcing implications are.
• When writing a formal adversary engagement operation plan that must justify every deployed deceptive artifact against a strategic goal.
• When selecting which specific deception Activities to deploy against a known or suspected threat actor based on that actor's ATT&CK TTPs.
• When building a denial, deception, and adversary engagement (DD&AE) program that must integrate with existing SOC, threat intel, and incident response functions.
• When a deception deployment generates alerts that nobody knows how to act on, because Expose was never connected to Affect or Elicit goals.

This skill is the strategy and operations layer that sits above tactical deployment skills (honeypot, honeytoken, canary-token, and decoy-file deployment). Use those skills to implement the Activities this skill selects and sequences.

Prerequisites

• Familiarity with MITRE ATT&CK (tactics, techniques, and how to read a technique page), because Engagement Activities are mapped to the ATT&CK techniques they expose.
• A documented set of critical assets and an understanding of which adversaries plausibly target them (a threat model or prioritized threat actor list).
• Executive sponsorship and a written legal review. Engagement operations interact with live adversaries and raise entrapment, evidence-handling, and liability questions; never run an engagement operation without legal sign-off.
• An existing detection and response capability. Engage is an additive strategy, not a replacement for defense-in-depth; if a defense-in-depth control fails, engagement keeps you in control rather than blind.
• Access to the live matrix at https://engage.mitre.org/matrix/ for canonical Activity names and IDs.

Workflow

Engage operations follow the 10-Step Operational Process. The matrix is linear to read but cyclical to run — you continuously realign Activities toward your Goals as the adversary reacts.

1. Confirm strategic fit (Prepare)

Decide where denial, deception, and adversary engagement fit in the existing cyber strategy. The Prepare goal (a strategic bookend, alongside Understand) defines the inputs to the operation. Document the strategic goal in plain language, e.g. "reduce dwell time of insider threats around the source-code repository" or "generate first-party CTI on the actor targeting our VPN."

2. Define Engagement Goals and Operational Objectives

Select from the three Engagement Goals. Goals set direction; Operational Objectives take measurable steps in that direction.

Write objectives as falsifiable, time-bound statements. A goal without an objective is unmeasurable.

3. Build the threat model and select Approaches

For each Goal, pick the Engagement Approaches (EAP) that fit the adversary you modeled:

• Expose → Collection, Detection
• Affect → Prevention, Direction, Disruption
• Elicit → Reassurance, Motivation

4. Map ATT&CK techniques to Engagement Activities

For each technique your target adversary uses, find the Engage Activity that exposes the weakness that technique creates. Example mappings:

Pull the authoritative Activity list and IDs from the live matrix; Engage IDs use the prefixes SGO/EGO (Goals), SAP/EAP (Approaches), and SAC/EAC (Activities).

5. Design the engagement environment

Decide realism and isolation. Choose between standalone, connected, or integrated decoy environments (see D3FEND honeynet types in references/standards.md). Populate it with diverse, believable artifacts — Persona Creation, Pocket Litter, Artifact Diversity, Application Diversity — so the environment survives adversary scrutiny.

6. Define gating criteria and rules of engagement

Document, before deployment: what the adversary is allowed to reach, the maximum blast radius, the trigger for tear-down or hand-off to IR, evidence preservation steps, and who has authority to escalate. Affect Activities are limited to the defender's own network — never act on infrastructure you do not own.

7. Deploy the Activities

Implement the selected Activities using the tactical deployment skills (honeypots, honeytokens, canary tokens, decoy files). Instrument every artifact so a touch produces telemetry routed to the SOC.

8. Operate and observe

Run the operation. Triage Expose alerts as high-fidelity (a touch on a decoy almost always means malicious or unauthorized activity). Feed observations back into Approach selection — realign Affect/Elicit Activities as the adversary behaves.