--- title: New Known Breaches in the Past Week - March 19, 2021 description: Check out the latest news on Cybersecurity and Risk Management --- [Omnistruct Newsletters](https://blog.omnistruct.com) # [New Known Breaches in the Past Week - March 19, 2021](https://blog.omnistruct.com/new-known-breaches-in-the-past-week-march-19-2021) Written by [Omnistruct Marketing](https://blog.omnistruct.com/author/omnistruct-marketing) | Mar 22, 2021 6:35:56 PM ## [Buffalo Public Schools cancels classes after cyberattack](https://www.cyberscoop.com/buffalo-public-schools-canceled-cyberattack-ransomware/?utm_campaign=Cybersecurity%20News%20that%20Matters&utm_source=hs_email&utm_medium=email&_hsenc=p2ANqtz-9xxmqciUWFvCLB63GWtMD6ablK430g7jsyjjVU4rTYqgextd0i5QuLprq20M3Hle9b_bD0) Ransomware attackers appear to have taken a swipe at Buffalo Public Schools in recent days, screeching the school system’s plans for remote classes and in-person learning to a halt on Friday. By Shannon Vavra I March 15, 2021   ## [Multiple APT Groups Now Targeting Microsoft Exchange Servers](https://cyware.com/news/multiple-apt-groups-now-targeting-microsoft-exchange-servers-09311355?utm_campaign=Cybersecurity%20News%20that%20Matters&utm_source=hs_email&utm_medium=email&_hsenc=p2ANqtz-9xxmqciUWFvCLB63GWtMD6ablK430g7jsyjjVU4rTYqgextd0i5QuLprq20M3Hle9b_bD0) Multiple state-sponsored hacking groups have been identified targeting tens of thousands of on-premise Exchange servers around the globe. These attacks are exploiting recently discovered severe vulnerabilities in Microsoft Exchange servers, tracked as ProxyLogon. By Cyware Alerts I March 16, 2021   ## [Hacker dumps Guns.com database with customers, admin data](https://www.hackread.com/hacker-dumps-guns-com-database-customers-admin-data/?web_view=true&utm_campaign=Cybersecurity%20News%20that%20Matters&utm_source=hs_email&utm_medium=email&_hsenc=p2ANqtz-9xxmqciUWFvCLB63GWtMD6ablK430g7jsyjjVU4rTYqgextd0i5QuLprq20M3Hle9b_bD0) As the domain name indicates, Guns.com is a major Minnesota, US-based platform to buy and sell guns online. It is also home to news and updates for gun owners and enthusiasts around the world. However, on March 9th, 2021, a database apparently belonging to Guns.com was dumped on an infamous hacker forum. By Hacking News I March 15, 2021   ## [Blender website in maintenance mode after hacking attempt](https://www.bleepingcomputer.com/news/security/blender-website-in-maintenance-mode-after-hacking-attempt/?&web_view=true&utm_campaign=Cybersecurity%20News%20that%20Matters&utm_source=hs_email&utm_medium=email&_hsenc=p2ANqtz-9xxmqciUWFvCLB63GWtMD6ablK430g7jsyjjVU4rTYqgextd0i5QuLprq20M3Hle9b_bD0) Blender.org, the official website of the popular 3D computer graphics software Blender, is now in maintenance mode according to a message displayed on the site. By Sergiu Gatlan I March 15, 2021   ## [Molson Coors Cyberattack: Status and Business Recovery Update](https://www.msspalert.com/cybersecurity-news/molson-coors-cyberattack-status-and-business-recovery-update/?utm_campaign=Cybersecurity%20News%20that%20Matters&utm_source=hs_email&utm_medium=email&_hsenc=p2ANqtz-9xxmqciUWFvCLB63GWtMD6ablK430g7jsyjjVU4rTYqgextd0i5QuLprq20M3Hle9b_bD0) Molson Coors Beverage Company is striving to recover from a cyberattack that triggered a systems outage and impacted brewery operations, production and shipments, according to an SEC filing. By Joe Panettieri I March 15, 2021   | [**Manage Your Newsletter Subscription!**](https://email.omnistruct.com/hs/manage-preferences/unsubscribe-test?d=VmYj8q8B8Y8PVKgD3Q3_YlyBW2m3bL73_YlyBN1JxwY5GKd_PV20N651_S8-DW32h8-b1SMBrJDxCXk4nYxf1&v=3&utm_campaign=Cybersecurity%20News%20that%20Matters&utm_source=hs_email&utm_medium=email&_hsenc=p2ANqtz-8JY2k8rYji8ybkKsRGLX3QruVH833SZb2sPEHg8QoplUyUIeSBucWWbZlr0oNi2swQqB_i) | | --- |   | Sincerely, **Omnistruct Marketing** 866-683-8827 [www.omnistruct.com](https://omnistruct.com/?utm_campaign=Cybersecurity%20News&utm_source=hs_email&utm_medium=email&_hsenc=p2ANqtz--bZS74_WZe1IDlpd0Z6DuKMLZcZmRMDuUWzB2uaX6wFusI-z5BS8N513GN3u_X92ecTCaX) Omnistruct, 2740 Fulton Avenue #101-02, Sacramento, CA 95821, USA, (866) 683-8827 [Unsubscribe                  ](https://email.omnistruct.com/business-information-security-news-october-9-2020#)[Manage preferences](https://email.omnistruct.com/business-information-security-news-october-9-2020#) | | --- | [View full post](https://blog.omnistruct.com/new-known-breaches-in-the-past-week-march-19-2021) ```json { "@context" : "http://schema.org", "@type" : "BlogPosting", "author" : { "@type" : "Person", "name" : "Omnistruct Marketing" }, "dateModified" : "2021-03-22T18:35:56.598Z", "datePublished" : "2021-03-22T18:35:56Z", "headline" : "New Known Breaches in the Past Week - March 19, 2021", "image" : { "@type" : "ImageObject", "height" : 627, "url" : "https://cdn2.hubspot.net/hub/5223782/hubfs/Newsletter/March%20Newsletter%20Graphic.png?upscale=true&width=1116&upscale=true&name=March%20Newsletter%20Graphic.png", "width" : 1116 }, "mainEntityOfPage" : "https://blog.omnistruct.com/new-known-breaches-in-the-past-week-march-19-2021", "publisher" : { "@type" : "Organization", "logo" : { "@type" : "ImageObject", "height" : 60.0, "url" : "https://cdn2.hubspot.net/hubfs/5223782/Omnistruct1-1.png", "width" : 282.48926 }, "name" : "Newsletters" } } ```