(Bloomberg View) -- If you were at work last Friday, you might have noticed that you couldn’t get on Twitter, Spotify, or whatever it is you do to avoid work. The sites themselves were fine, but users across the country lost access due to a large-scale attack on Dyn, a company whose servers provide infrastructure and routing services for the internet’s top destinations.

The attack began on the East Coast, then moved westward and lasted throughout the day. As of this writing, it appeared to have subsided. Here’s a map from the website Downdetector, showing the areas most affected:

Register or login for access to this item and much more

All Information Management content is archived after seven days.

Community members receive:
  • All recent and archived articles
  • Conference offers and updates
  • A full menu of enewsletter options
  • Web seminars, white papers, ebooks

Don't have an account? Register for Free Unlimited Access