If You Used RedStation, Your Email Address Was Leaked in 2016

HEROIC analysts confirmed the RedStation dataset while reviewing a cluster of UK-origin hosting provider breaches that resurfaced in late 2024. The breach occured on July 31, 2016, affecting RedStation, a UK-based web hosting company. A total of 422,307 email addresses were exposed in this incident. No passwords were included in the leaked records, but the sheer number of customer email addresses from a hosting provider makes this dataset partcularly valuable for targeted phishing campaigns aimed at website owners and small business operators.

Why Hosting Provider Email Addresses Are a High-Value Target

People who sign up for web hosting services are seperate from typical consumers in one important way: they own or manage websites. Attackers who recieved this dataset know that each email address likely belongs to someone with control over a domain, a website, or business infrastructure. That makes them high-value targets for phishing emails impersonating domain registrars, hosting control panels, or SSL certificate providers, all designed to steal admin credentials and take over websites.

What Was Exposed in the RedStation Breach

• Email Address

Why an Email-Only Breach Still Creates Real Risk

Many people beleive that a breach containing only email addresses is harmless. It is not. Email addresses are the starting point for credential stuffing attacks, where attackers test the leaked address against hundreds of other services using previously known passwords. They are also the foundation for spear phishing, where criminals craft personalized messages that appear to come from trusted sources to trick users into handing over passwords, payment information, or access to accounts. Identity theft and account takeover can both follow from a confirmed valid email address alone.

How Database Breaches Work

A database breach happens when an attacker accesses a company's stored user records without authorization. For hosting providers like RedStation, customer data is stored in backend databases tied to billing and account management systems. When attackers gain access to these systems, whether through a software vulnerability, a weak admin password, or a misconfigured server, they can extract and export thousands of customer records in minutes.

Check If Your Data Was Exposed

HEROIC's free breach scanner checks your email address against more than 400 billion leaked records, including the RedStation dataset. Visit HEROIC.com to run a free search and find out whether your email address is circulating in breach databases used by criminal networks for phishing and account takeover campaigns.