This copy is for your personal, non-commercial use only. Distribution and use of this material are governed by our Subscriber Agreement and by copyright law. For non-personal use or to order multiple copies, please contact Dow Jones Reprints at 1-800-843-0008 or visit www.djreprints.com. https://www.wsj.com/articles/hack-suggests-new-scope-sophistication-for-cyberattacks11608251360 # Hack Suggests New Scope, Sophistication for Cyberattacks **[wsj.com/articles/hack-suggests-new-scope-sophistication-for-cyberattacks-11608251360](https://www.wsj.com/articles/hack-suggests-new-scope-sophistication-for-cyberattacks-11608251360)** December 18, 2020 ## Suspected Russian hack involving SolarWinds software that compromised parts of the U.S. government was executed on a scale that has surprised even veteran security experts ----- Hackers compromised widely used software made by SolarWinds, an Austin, Texas, firm. Kris Tripplaar/Sipa/Associated Press By [Dustin Volz](https://www.wsj.com/news/author/dustin-volz) [and Robert McMillan](https://www.wsj.com/news/author/robert-mcmillan) Updated Dec. 17, 2020 10:35 pm ET The suspected Russian hack that compromised parts of the U.S. government was executed with a scope and sophistication that has surprised even veteran security experts and exposed a potentially critical vulnerability in America’s technology infrastructure, according to investigators. ----- As the probe continues into the massive hack—which cast a nearly invisible net across 18,000 companies and government agencies—security specialists are uncovering new evidence that indicates the operation is part of a broader, previously undetected cyber espionage campaign that may stretch back years. [SubscribeSign In](https://subscribe.wsj.com/wsjsnippet) Continue reading your article with a WSJ membership [View Membership Options](https://subscribe.wsj.com/wsjsnippet) Copyright ©2022 Dow Jones & Company, Inc. All Rights Reserved This copy is for your personal, non-commercial use only. Distribution and use of this material are governed by our Subscriber Agreement and by copyright law. For non-personal use or to order multiple copies, please contact Dow Jones Reprints at 1-800-843-0008 or visit www.djreprints.com. Copyright ©2022 Dow Jones & Company, Inc. All Rights Reserved This copy is for your personal, non-commercial use only. Distribution and use of this material are governed by our Subscriber Agreement and by copyright law. For non-personal use or to order multiple copies, please contact Dow Jones Reprints at 1-800-843-0008 or visit www.djreprints.com. -----