---
title: "GitHub Was Almost Destroyed - The Untold Story of the Biggest Attack in Cybersecurity."
url: https://daily.dev/posts/github-was-almost-destroyed---the-untold-story-of-the-biggest-attack-in-cybersecurity--twx06xjpd
source_url: https://www.youtube.com/watch?v=ZX3c6ghkjj4
type: video:youtube
source: "HuXn WebDev"
published: 2025-07-20T13:48:10.728Z
updated: 2025-07-20T13:48:29.897Z
tags: ["security", "cyber", "github"]
reading_time: 5
upvotes: 17
comments: 2
language: en
---

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# GitHub Was Almost Destroyed - The Untold Story of the Biggest Attack in Cybersecurity.

**[HuXn WebDev](https://daily.dev/sources/huxnwebdev)** · 5 min read · 17 upvotes · 2 comments

## Summary

In 2018, GitHub faced the largest DDoS attack in cybersecurity history, reaching 1.35 terabytes per second using memcached amplification techniques. Attackers exploited misconfigured memcached servers worldwide to amplify small requests into massive responses, overwhelming GitHub's infrastructure. The company successfully defended against the attack by partnering with Akamai Prolexis for traffic scrubbing and rerouting. This incident exposed thousands of vulnerable servers globally and prompted widespread security improvements across hosting providers.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://www.youtube.com/watch?v=ZX3c6ghkjj4>

## Community discussion

Top comments from developers on daily.dev.

**@vibhorsingh** · 2 upvotes

> Interesting video

**@professhinobi** · 0 upvotes

> Now it will be **destroyed** cause it's under **Microsoft** now.

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---

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

[View this post on daily.dev](https://daily.dev/posts/github-was-almost-destroyed---the-untold-story-of-the-biggest-attack-in-cybersecurity--twx06xjpd)