On September 19, 2023, 38 terabytes of private data from Microsoft was leaked online. This data included usernames, email addresses, passwords, phone numbers, financial information, and order details from millions of people around the world.

38 Terabytes of Private Data Leaked by Microsoft on GitHub: What Happened and How to Protect Yourself

How did it happen?


It is not yet known exactly how this leak occurred, but it is believed to have been the result of a security breach. It is possible that attackers gained access to a Microsoft internal database and were able to download the data.

What data was leaked?

The data that was leaked includes the following:

  • Usernames and email addresses
  • Passwords
  • Phone numbers
  • Financial information
  • Order details

What are the risks?

This data can be used for malicious purposes, such as identity theft or financial fraud. Attackers can also use this data to harass or intimidate people.

How to protect yourself

Here are some tips to protect yourself from the risks posed by this leak:

  • Change your passwords immediately for all accounts that you use with Microsoft.
  • Be careful about clicking on links and opening files from unknown sources.
  • Run antivirus and anti-malware software on your computer.
  • Be aware of good internet security practices.

What is Microsoft's response?

Microsoft has acknowledged the leak and said that it is investigating it. The company has also taken steps to address the issue, including sending notifications to those affected and changing their passwords.


This leak is a serious threat to privacy and security. It is important to take steps to protect yourself from the risks posed by it.