The TOKYO CLOUD PRIVATE39 Leak Could Unlock More Than One Account

In March 2023, HEROIC analysts identified a stealer log named TOKYO CLOUD PRIVATE39, related to an earlier release from the same source. The file contains 967 records, each pairing an email address with a plaintext password and the URL of the account it unlocks.

Why the TOKYO CLOUD PRIVATE39 Leak Could Unlock More Than One Account

A single leaked login rarely stays contained to one account. If someone in this file reused their email password on other services, that same combination could unlock their online banking, their social media, and any other account tied to that email address. One weak point, a reused password, can chain into a much bigger compromise across a person's entire online life.

What Was Exposed in the TOKYO CLOUD PRIVATE39 Dump

• Email addresses
• Plaintext passwords
• URLs of the associated accounts and services

Why This Matters

Because the passwords were stored in plaintext, no cracking is needed before they can be used. For any of the 967 people in this file who reused a password, that single exposed credential can be tested across other websites through credential stuffing, potentially leading to account takeover, financial fraud, or a compromised email account used to reset passwords elsewhere.

How Stealer Logs Like This One Are Made

Infostealer malware infects a device through a pirated download, fake update, or malicious attachment, then quietly copies saved browser logins and autofill data. That data is exported into a log file and sold or shared on Telegram channels, sometimes in numbered or related batches like this one and its predecessor.

Check If You Are in the TOKYO CLOUD PRIVATE39 Leak

HEROIC's free breach scanner checks your email address against more than 400 billion leaked records, including this stealer log. Run a free scan now, and change any password you may have reused elsewhere.