UP_DAISYCLOUD-CHAMPIONING – 23_JULY_5565_ON_CHANNEL uploaded by a Telegram User

We've observed a steady increase in stealer logs surfacing on Telegram channels, often targeting specific industries or services. What really struck us about this particular leak wasn't the volume of records, but the targeted nature and the apparent source. The data, initially posted on a Telegram channel, appears to originate from a stealer log targeting users of a specific cloud platform, suggesting a focused campaign aimed at compromising access to cloud resources. The presence of plaintext passwords is an alarming detail, indicating a failure of basic security practices on the user end and potentially exploitable vulnerabilities on the platform itself.

UP_DAISYCLOUD-CHAMPIONING: Stealer Log Exposes 231K Credentials for Cloud Platform Users

A stealer log file, uploaded to Telegram on July 23, 2025, exposed 231,097 records seemingly harvested from users of a cloud platform we're calling "DaisyCloud" for clarity. The file, named UP_DAISYCLOUD-CHAMPIONING – 23_JULY_5565_ON_CHANNEL by the uploader, contained a mix of email addresses, plaintext passwords, and URLs associated with the platform. The discovery highlights the ongoing threat posed by stealer malware and the potential for compromised credentials to be used for unauthorized access to cloud-based services.

The stealer log was discovered on a public Telegram channel known for hosting similar dumps. While the channel's overall content is a mix of various data breaches, the DaisyCloud log stood out due to the clear targeting of a specific platform. The file's naming convention suggests it was part of a larger collection of logs, potentially indicating a sustained campaign by the threat actor. The presence of plaintext passwords immediately raised concerns, suggesting either weak password policies or compromised systems storing credentials insecurely.

This breach matters to enterprises because it underscores the persistent risk of credential theft and the potential consequences of compromised cloud accounts. While the leak itself occurred on Telegram, the origin of the data points to a broader issue: the effectiveness of stealer malware in harvesting sensitive information from compromised endpoints. The fact that passwords were stored in plaintext further amplifies the risk, making it easier for attackers to gain unauthorized access. This incident highlights the need for robust endpoint security measures, strong password policies, and multi-factor authentication to protect against credential theft and unauthorized access to cloud resources.

• Total records exposed: 231,097
• Types of data included: Email Addresses, Plaintext Passwords, URLs
• Sensitive content types: User credentials
• Source structure: Stealer log file
• Leak location(s): Telegram channel
• Date of first appearance: July 23, 2025

External Context & Supporting Evidence

The prevalence of stealer logs on Telegram and other platforms has been widely documented. Security researchers at Cyble have consistently reported on the sale and distribution of stealer logs, highlighting the ease with which threat actors can acquire and utilize this type of data. BleepingComputer has also covered numerous incidents involving stealer malware, emphasizing the importance of endpoint security and user awareness.

Discussions on Breach Forums often revolve around the value and authenticity of leaked credentials. While we haven't identified specific chatter directly related to the DaisyCloud breach, the general sentiment underscores the potential for compromised credentials to be used for various malicious purposes, including account takeover, data theft, and ransomware attacks. Analysis of similar stealer logs often reveals patterns in the types of information targeted and the techniques used to harvest the data. The presence of plaintext passwords aligns with previous reports of weak security practices among certain online services and user populations.