Skip to main content
Back to overview
Medium

Massive IoT Data Breach Exposes 2.7 Billion Records from Mars Hydro

A massive Internet of Things (IoT) data breach exposed 2.7 billion records, compromising sensitive information such as Wi-Fi network names (SSIDs), passwords, IP addresses, and device IDs.

Key points

  • 2.7 billion records exposed in an IoT data breach.
  • 1.17 terabytes of sensitive data compromised.
  • Exposed data included Wi-Fi network names, passwords, IP addresses, and device IDs.

Connected intelligence

Signal brief

Follow the organization, likely method and potential impact to explore connected Shadow Tier intelligence.

02

Likely method

Confidentiality impact

Threat source not confirmed

03

Potential impact

Potential data exposure

Confidentiality

Published
Feb 27, 2025
Updated
Jun 26, 2026
Confidence
Medium
Evidence
1 source

Structured assessment

Signal analysis

This analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.

Threat source

Threat source not confirmed

Watch exposure paths that could affect data, operations or third-party trust.

Business impact

Potential data exposure
Impact area
Confidentiality
Likely asset
User or customer data, Server or cloud data store

Mentioned entities

MarshydroData DisclosureMars Hydro AInternet of ThingsIoTWi-FiSSIDsIDs. TheJeremiah Fowler andChinese IoT

Quick context

Questions about this signal

What happened in this signal?

A massive Internet of Things (IoT) data breach exposed 2.7 billion records, compromising sensitive information such as Wi-Fi network names (SSIDs), passwords, IP addresses, and device IDs. The breach was discovered by cybersecurity researcher Jeremiah Fowler and linked to a non-password-protected database belonging to Chinese IoT company Mars Hydro and LG-LED Solutions.

When was this signal reported?

Shadow Tier lists Feb 27, 2025 as the signal date.

Which organization is connected to this signal?

Marshydro is the organization connected to this public signal.

Explore Marshydro