--- title: Russian State-Sponsored Group Breaches Microsoft's Code... description: Russian state-sponsored hackers infiltrate and steal source code from Microsoft, compromising customer data and targeting customers for future attacks. canonical: https://daily.dev/posts/russian-state-sponsored-group-breaches-microsoft-s-code-base-stealing-source-code-ywgc0xylq twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Russian State-Sponsored Group Breaches Microsoft's Code Base, Stealing Source Code | daily.dev og:description: Russian state-sponsored hackers infiltrate and steal source code from Microsoft, compromising customer data and targeting customers for future attacks. og:url: https://daily.dev/posts/russian-state-sponsored-group-breaches-microsoft-s-code-base-stealing-source-code-ywgc0xylq og:image: https://api.daily.dev/og/posts/Ywgc0XYLq.png og:image:alt: Russian State-Sponsored Group Breaches Microsoft's Code Base, Stealing Source Code og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Russian State-Sponsored Group Breaches Microsoft's Code Base, Stealing Source Code **[Collections](https://daily.dev/sources/collections)** · 1 min read · 1 upvotes · 0 comments ## Summary Russian state-sponsored hackers infiltrate and steal source code from Microsoft, compromising customer data and targeting customers for future attacks. ## Content Microsoft has confirmed that its systems have been infiltrated by a Russian state-sponsored hacking group known as Midnight Blizzard. The group has gained unauthorized access to Microsoft's source code repositories and internal systems, compromising customer data in the process. This ongoing attack has allowed the hackers to carry out follow-on attacks and increase their password-spraying attempts. The stolen information, including exfiltrated email secrets, has been used to target customers and exploit potential zero-day vulnerabilities. Microsoft is taking immediate action to increase security investments and is reaching out to impacted customers. This breach highlights the sustained commitment of the Russian hackers and their focus on accumulating information for future attacks. Microsoft urges customers to remain vigilant and implement necessary security measures to protect against potential threats. ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments - [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments - [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments --- Tags: [#security](https://daily.dev/tags/security), [#cyber](https://daily.dev/tags/cyber), [#microsoft](https://daily.dev/tags/microsoft) [View this post on daily.dev](https://daily.dev/posts/russian-state-sponsored-group-breaches-microsoft-s-code-base-stealing-source-code-ywgc0xylq) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Russian State-Sponsored Group Breaches Microsoft's Code Base, Stealing Source Code","url":"https://daily.dev/posts/russian-state-sponsored-group-breaches-microsoft-s-code-base-stealing-source-code-ywgc0xylq","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/russian-state-sponsored-group-breaches-microsoft-s-code-base-stealing-source-code-ywgc0xylq"},"datePublished":"2024-03-08T17:29:33.538Z","dateModified":"2024-03-09T05:01:02.202Z","description":"Russian state-sponsored hackers infiltrate and steal source code from Microsoft, compromising customer data and targeting customers for future attacks.","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/12fa696297e130558410dc6e426f4060?_a=AQAEufR","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/12fa696297e130558410dc6e426f4060?_a=AQAEufR","isAccessibleForFree":true,"articleSection":"Collections","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Collections","logo":"https://media.daily.dev/image/upload/s--fk_6ycEi--/f_auto,q_auto/v1780996001/logos/collections?_a=BAMAMiWQ0","url":"https://daily.dev/sources/collections"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/russian-state-sponsored-group-breaches-microsoft-s-code-base-stealing-source-code-ywgc0xylq","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"security,cyber,microsoft","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Collections","item":"https://daily.dev/sources/collections"},{"@type":"ListItem","position":3,"name":"Russian State-Sponsored Group Breaches Microsoft's Code Base, Stealing Source Code"}]} ```