--- title: "Microsoft says Outlook outage earlier this month caused by cyberattacks" description: "Microsoft Outlook experienced an outage earlier this month that affected users worldwide." author: "Yashna Bawa" published: 2023-06-19 updated: 2023-06-19 canonical: https://www.mindstick.com/news/3060/microsoft-says-outlook-outage-earlier-this-month-caused-by-cyberattacks category: "products" tags: ["cybersecurity", "cyber threat", "cyber attacks"] reading_time: 2 minutes --- # Microsoft says Outlook outage earlier this month caused by cyberattacks Yes, Microsoft confirmed on June 8, 2023, that an outage of its [Outlook email service](https://www.mindstick.com/blog/299517/microsoft-outlook-emails-are-not-opening-easily-resolve-it-now) earlier that week was caused by a cyberattack. The outage affected users worldwide and lasted for several hours. In a [blog](https://www.mindstick.com/developersection/blog) post, **Microsoft** said that the attack was a [distributed denial-of-service](https://www.mindstick.com/forum/158541/how-does-a-distributed-denial-of-service-ddos-attack-work-and-what-are-the-countermeasures) (DDoS) attack, which is a type of cyberattack that floods a website or server with **traffic** in an attempt to bring it down. The attack was carried out by a group of hackers known as Storm-1359. Microsoft said that it has taken steps to mitigate the risk of future **DDoS** attacks and that it is working with **law** **enforcement** to investigate the attack. [DDoS attacks are becoming increasingly common](https://answers.mindstick.com/qa/97130/what-are-the-types-of-ddos-attacks), and they can have a significant [impact on businesses](https://answers.mindstick.com/qa/113843/what-are-the-latest-trends-in-artificial-intelligence-and-its-impact-on-businesses-in-2025) and individuals. If you use **Outlook**, it is important to be aware of the risks and to take steps to [protect your](https://www.mindstick.com/articles/23598/best-wedding-photographer-inspire-the-best-to-protect-your-valuable-minutes) data. ## Here are some tips for protecting your data from DDoS attacks: Use [strong passwords](https://www.mindstick.com/articles/337199/why-do-strong-passwords-matter-and-how-to-create-them-easily) and [enable two-factor](https://answers.mindstick.com/qa/102814/how-to-enable-two-factor-authentication-on-a-laptop) authentication.\ Keep your software up to date.\ Be careful about what information you share online.\ Use a VPN when connecting to [public Wi-Fi](https://answers.mindstick.com/qa/30999/what-s-wrong-with-using-public-wi-fi) networks.\ By following these tips, you can help to [protect yourself](https://answers.mindstick.com/qa/33200/how-to-protect-yourself-from-telemarketing-fraud) from DDoS attacks and other cyberattacks. --- Original Source: https://www.mindstick.com/news/3060/microsoft-says-outlook-outage-earlier-this-month-caused-by-cyberattacks Copyright © MindStick Software Pvt. Ltd. This Markdown version is provided for developers, AI systems, and offline reading.