In this photo illustration a Crowdstrike logo seen displayed on a smartphone. The global computer outage affecting airports, banks and other businesses appears to stem at least partly from a software update issued by major US cybersecurity firm CrowdStrike, experts told CNN. (Photo by Mateusz Slodkowski/SOPA Images/LightRocket/Getty Images via CNN Newsource)
Sean Lyngaas is a cybersecurity reporter who has written for various media outlets, including CNN, NewsChannel 21, and ABC 7 Chicago. With a focus on cyber threats, hacking campaigns, and government policies, Sean provides in-depth coverage of cybersecurity issues, including investigations, indictments, and the impact of cyberattacks on critical infrastructure.