gcdRadar
closedclosed 10 Nov 2026Breaches & attacks3 Confirmed exploitation

Lazarus Group Targets South Korean Organizations in Operation FlashHole

South Korean Security Software

The Lazarus Group is carrying out a cyber espionage campaign dubbed Operation FlashHole against South Korean organizations in the construction, software, and wire-communication sectors. The campaign uses compromised South Korean security software to deploy malware protected by post-quantum encryption.

why this severityConfirmed real-world targeted intrusion campaign by a known threat group.

first report
27 Oct 2026
last update
27 Oct 2026

Timeline · 1

  1. 27 Oct 2026Lazarus Abuses South Korean Security Software to Deploy Malware Using Post-Quantum Encryption

Sources · 1

News and write-ups

  1. 2026-10-27
    Lazarus Abuses South Korean Security Software to Deploy Malware Using Post-Quantum Encryption
    The Hacker News · thehackernews.com/2026/10/lazarus-abuses-south-korean-security.html

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

AI role
No AI role
categories
General security
severity
3 · Confirmed exploitation
targets
Not applicable
owasp llm top 10
no entry for these categories
mitre atlas
no technique for these categories
dates
happened Jul 2025 (approx.) · first reported 27 Oct 2026
origin
News & research feeds
record
confidence 0.90 · created 2026-10-27 15:31Z · updated 2026-11-11 00:12Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# Lazarus Group Targets South Korean Organizations in Operation FlashHole

https://gcdradar.vercel.app/incidents/lazarus-group-targets-south-korean-organizations-in-operatio · AIR-2026-1577 · closed 2026-11-10

- Lane: Breaches & attacks
- Severity: 3 (Confirmed exploitation): Confirmed real-world targeted intrusion campaign by a known threat group.
- Fix status: No fix needed
- First reported: 2026-10-27 (happened 2025-07)
- AI role: No AI role
- Products: South Korean Security Software

## Summary

The Lazarus Group is carrying out a cyber espionage campaign dubbed Operation FlashHole against South Korean organizations in the construction, software, and wire-communication sectors. The campaign uses compromised South Korean security software to deploy malware protected by post-quantum encryption.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-10-27: Lazarus Abuses South Korean Security Software to Deploy Malware Using Post-Quantum Encryption (https://thehackernews.com/2026/10/lazarus-abuses-south-korean-security.html)

## Sources

- 2026-10-27 The Hacker News: Lazarus Abuses South Korean Security Software to Deploy Malware Using Post-Quantum Encryption https://thehackernews.com/2026/10/lazarus-abuses-south-korean-security.html

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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