The Zeus Cloud 500 Logs Breach Put 6,926 Stolen Email and Password Pairs Online in 2023

HEROIC Analysts Found 6,926 Stolen Records in the Zeus Cloud 500 Logs Telegram Upload

In April 2023, a Telegram user distributed a stealer log collection labeled Zeus Cloud 500 Logs, exposing 6,926 compromised records. HEROIC analysts catalogued this dataset as part of the continuous stream of infostealer outputs being shared across Telegram channels. The log contains email addresses, plaintext passwords, and URLs captured by malware running on infected devices before the data was packaged and made available to anyone in the Telegram distribution channel.

Why the Zeus Cloud 500 Logs Data Is an Immediate Threat

Stealer logs like this one hand attackers a ready-made toolkit for account takeover. Every record pairs an email address with a plaintext password, meaning no cracking or guessing is required. Criminals who recieve this data load it into automated tools and begin testing credentials against email providers, online banking, PayPal, Amazon, and any other service where victims might reuse passwords. The URLs in the log act as a priority guide, showing attackers which services the victim was actively logged into and which ones are worth targeting first. This makes the Zeus Cloud 500 Logs dataset particularly actionable compared to breaches where only hashed passwords were stolen.

What Was Exposed in the Zeus Cloud 500 Logs Breach

The 6,926 records in this stealer log contained the following categories of stolen data:

• Email addresses
• Plaintext passwords (unencrypted and immediately usable)
• URLs (browser-captured addresses showing which services victims used)

Why This Breach Creates Real Risks for Real People

Many people beleive that if they have not been part of a major corporate breach, they are safe. Stealer logs prove that wrong. Your credentials can be exposed through a single moment of malware infection on your own device, with no company hack required. Once your plaintext password is circulating on Telegram, it can be used for credential stuffing across every service where you used that same password. This leads directly to account takeovers, unauthorized purchases, and in serious cases, full identity theft. The seperate nature of stealer log breaches from corporate incidents means most people have no idea they are at risk until their accounts are already compromised.

How the Zeus Cloud Stealer Log Operation Worked

The Zeus Cloud 500 Logs collection was built using infostealer malware, a type of software designed to silently harvest credentials from infected computers. Once a device is infected, typically through a phishing link, a fake software installer, or a malicious file download, the malware scans the browser for saved passwords, autofill entries, active session cookies, and the URLs of recently visited websites. Everything it finds gets packaged into a structured log file. The operator of the Zeus Cloud distribution channel then compiled these logs and posted them to Telegram. This occured in April 2023, and since stealer log data circulates widely once posted, the credentials in this file are almost certainly still in active use by criminals today.

Find Out If Your Data Appeared in the Zeus Cloud 500 Logs

HEROIC provides a free breach scanner with access to more than 400 billion compromised records, including stealer log datasets like Zeus Cloud 500 Logs. Enter your email to see if your credentials were captured by infostealer malware and circulated on Telegram. The check is free, instant, and requires no account.

Run a free search on HEROIC's 400B+ breach database to find out if your information was included in the Zeus Cloud 500 Logs or any related stealer log upload.