---
title: "“SubdoMailing” — Thousands of Hijacked Major-Brand Subdomains Found Bombarding Users With Millions of Malicious Emails"
url: https://daily.dev/posts/subdomailing-thousands-of-hijacked-major-brand-subdomains-found-bombarding-users-with-millions-o-g44eb8haz
source_url: https://medium.com/@guardiosecurity/subdomailing-thousands-of-hijacked-major-brand-subdomains-found-bombarding-users-with-millions-a5e5fb892935?source=rss-6a038e71ff0f------2
type: article
source: "Guardio"
published: 2024-02-26T14:46:25.204Z
updated: 2024-05-09T09:06:08.895Z
tags: ["cyber", "phishing"]
reading_time: 12
upvotes: 1
comments: 0
language: en
---

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# “SubdoMailing” — Thousands of Hijacked Major-Brand Subdomains Found Bombarding Users With Millions of Malicious Emails

**[Guardio](https://daily.dev/sources/guardio)** · 12 min read · 1 upvotes · 0 comments

## Summary

Guardio Labs uncovers a sprawling campaign of subdomain hijacking, compromising over 8,000 domains from respected brands. The campaign, known as SubdoMailing, leverages the credibility of these domains to send millions of malicious emails daily. The report highlights the scale of the issue and calls for enhanced domain security.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://medium.com/@guardiosecurity/subdomailing-thousands-of-hijacked-major-brand-subdomains-found-bombarding-users-with-millions-a5e5fb892935?source=rss-6a038e71ff0f------2>

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---

Tags: [#cyber](https://daily.dev/tags/cyber), [#phishing](https://daily.dev/tags/phishing)

[View this post on daily.dev](https://daily.dev/posts/subdomailing-thousands-of-hijacked-major-brand-subdomains-found-bombarding-users-with-millions-o-g44eb8haz)