Transportation Secretary Sean Duffy said that "inconsistency" in data from routers in the air traffic control system led to the FAA issuing a nationwide ground stop Friday.
Pressed on whether the administration can say with 100% certainty this wasn't a cyberattack, Homeland Security Secretary Markwayne Mullin responded, "There's nothing completely certain right now," then said, "It doesn't appear that way."
–––
Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G
ABC News is your daily source of breaking national and world news, exclusive interviews and 24/7 live streaming coverage. https://abcnews.com
Download the ABC News app for the latest headlines and alerts: https://abcnews.com/devices
Connect with ABC News on social media:
Facebook: https://www.facebook.com/ABCNews
Instagram: https://www.instagram.com/abcnews
TikTok: https://www.tiktok.com/@abcnews
X: https://twitter.com/ABC
Threads: https://www.threads.net/@abcnews
WhatsApp: https://whatsapp.com/channel/0029VajTNakKWEKkXoAPIR11
LinkedIn: https://www.linkedin.com/company/abcnews