Lazarus Group (HIDDEN COBRA / Diamond Sleet)

Lazarus Group is North Korea's primary advanced persistent threat operation, operating under the RGB (Reconnaissance General Bureau), the DPRK's primary foreign intelligence service.

Threat IntelligenceTIDThreatIntermediateCONFIDENTIAL2,325 words10 min readApr 7, 2026

Last updated Apr 11, 2026

CLASSIFICATION: CONFIDENTIAL

This article requires CONFIDENTIAL clearance or higher.

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Table of Contents

Lazarus Group (HIDDEN COBRA / Diamond Sleet)

What you need

Also at this clearance level

APT28 (Fancy Bear / Forest Blizzard)

Salt Typhoon

Single Sign-On (SSO) Architecture

FIDO2 and WebAuthn: Passwordless Authentication

The Academy

The Command Post

The Armory