---
title: "MOVEit Transfer mass-exploitation campaign"
description: "What the retained public evidence establishes about the MOVEit Transfer (Progress Software) — Cl0p campaign incident, its attack path, impact, and response."
incident_type: "Cybersecurity incident"
status: "active"
last_modified: "2026-09-19"
canonical_url: "https://www.ally.security/incidents/moveit-transfer-mass-exploitation-campaign-2023"
markdown_url: "https://www.ally.security/incidents/moveit-transfer-mass-exploitation-campaign-2023.md"
stix_url: "https://www.ally.security/incidents/moveit-transfer-mass-exploitation-campaign-2023/stix.json"
---

# MOVEit Transfer mass-exploitation campaign

The retained public source describes the MOVEit Transfer (Progress Software) — Cl0p campaign incident as Cl0p ransomware group; zero-day SQL injection. Other material details remain unresolved.

Last modified Sep 19, 2026 · 1 source

## Summary

- **Environment:** File-transfer software supply chain
- **Operational impact:** The reviewed source does not establish a precise operational or data impact
- **Financial impact:** No financial figure is established by the reviewed source evidence

## What happened

In 2023, Progress Software experienced an incident in its file-transfer software supply chain environment. The retained source describes the attack path as follows: Cl0p ransomware group; zero-day SQL injection. [1](#source-1)

## Impact

- The reviewed source does not establish a precise affected-person count, data scope, or operational consequence.
- No financial loss, ransom amount, recovery cost, or regulatory penalty is established by the reviewed source evidence.

## Threat Group & Attack Vector

The retained source describes the attack path as follows: Cl0p ransomware group; zero-day SQL injection. The canonical record does not add intrusion steps beyond those supported by the source. [1](#source-1)

### Actors

- **Cl0p** — identified in the supported attack description. [1](#source-1)

### TTPs

- [T1486 — Data Encrypted for Impact](https://attack.mitre.org/techniques/T1486/) — mapped from the cited behavior. [1](#source-1)
- [T1190 — Exploit Public-Facing Application](https://attack.mitre.org/techniques/T1190/) — mapped from the cited behavior. [1](#source-1)

## Response

The retained source describes system restoration or operational recovery work. [1](#source-1)

This account is bounded to [CL0P ransomware gang exploits MOVEit vulnerability](https://www.cisa.gov/sites/default/files/2023-06/aa23-158a-stopransomware-cl0p-ransomware-gang-exploits-moveit-vulnerability_0.pdf). Details absent from that evidence are left unresolved rather than inferred. [1](#source-1)

## Assets

[Download the case-scoped STIX 2.1 bundle](<https://www.ally.security/incidents/moveit-transfer-mass-exploitation-campaign-2023/stix.json>)

## Sources

Primary source records used to research this incident.

<a id="source-1"></a>

### CL0P ransomware gang exploits MOVEit vulnerability

advisory · CISA and FBI

<https://www.cisa.gov/sites/default/files/2023-06/aa23-158a-stopransomware-cl0p-ransomware-gang-exploits-moveit-vulnerability_0.pdf>

<details>
<summary>Evidence ledger</summary>

Review the supporting structured claims.

1. **Resulted In · 95% confidence · current**  
   MOVEit Transfer mass-exploitation campaign: Cl0p ransomware group; zero-day SQL injection.
2. **Affected Organization · 100% confidence · current**  
   MOVEit Transfer mass-exploitation campaign: Progress Software
3. **Resulted In · 90% confidence · current**  
   MOVEit Transfer mass-exploitation campaign: The retained source describes system restoration or operational recovery work.
4. **Used Attack Technique · 90% confidence · current**  
   MOVEit Transfer mass-exploitation campaign: https://attack.mitre.org/techniques/T1486/
5. **Used Attack Technique · 90% confidence · current**  
   MOVEit Transfer mass-exploitation campaign: https://attack.mitre.org/techniques/T1190/
6. **Resulted In · 100% confidence · current**  
   MOVEit Transfer mass-exploitation campaign: The reviewed source documents the moveit transfer mass-exploitation campaign involving Progress Software.

</details>