# Storm-2077: threat group profile

> Storm-2077 is a threat group thought to operate from China. Public reporting about it is still limited. This free profile brings together what is known about it, so you can judge the risk to you. It lists the other names the group goes by and links to every public report behind it.

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## At a glance

| Fact | Value |
|---|---|
| Attack techniques | 0 |
| Thought to operate from | China |
| Other names | 1 |
| Public reports | 2 |

## Who is Storm-2077?

Storm-2077 is a threat group thought to operate from China. Public reporting about it is still limited.

### Also known as

TAG-100

Security companies each give the same group their own name, so one group can have many.

### What public reporting says

> TAG-100 is a cyber-espionage APT that targets government and private sector organizations globally, exploiting vulnerabilities in internet-facing devices such as Citrix NetScaler and F5 BIG-IP for initial access. The group employs open-source tools like Pantegana and SparkRAT for persistence and post-exploitation activities, including credential theft and email data exfiltration. TAG-100 has compromised entities in at least ten countries, including two Asia-Pacific intergovernmental organizations, and focuses on sectors like education, finance, and local government. Their operations highlight the challenges of attribution due to the use of off-the-shelf tools and techniques that overlap with other state-sponsored groups.

## Public reports about Storm-2077

- https://www.microsoft.com/en-us/security/blog/2024/11/22/microsoft-shares-latest-intelligence-on-north-korean-and-chinese-threat-actors-at-cyberwarcon/
- https://www.recordedfuture.com/research/tag-100-uses-open-source-tools-in-suspected-global-espionage-campaign

## Frequently asked questions

### Who is Storm-2077?

Storm-2077 is a threat group thought to operate from China. Public reporting about it is still limited.

### Where is Storm-2077 thought to be based?

Public reporting places Storm-2077 as operating from China. Attribution is never certain: it rests on the tools, infrastructure and targets researchers have seen.

### How do I know if Storm-2077 is a risk to my business?

Create an account and tell us the software you run. We match it against known flaws, including those linked to threat groups, rank each one from 0 to 100 and tell you as soon as we spot something that affects you.

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