You can now read 10 articles in a month for free on BostonGlobe.com. Read as much as you want anywhere and anytime for just 99¢.

The Boston Globe

Nation

Surveillance programs thwarted dozens of attacks, NSA chief says

WASHINGTON (AP) — The director of the National Security Agency said Wednesday that once-secret surveillance programs disrupted dozens of terrorist attacks, explicitly describing for Congress how the programs worked in collecting Americans’ phone records and tapping into their Internet activity.

Loading comments...

You have reached the limit of 10 free articles in a month

Stay informed with unlimited access to Boston’s trusted news source.

  • High-quality journalism from the region’s largest newsroom
  • Convenient access across all of your devices
  • Today’s Headlines daily newsletter
  • Subscriber-only access to exclusive offers, events, contests, eBooks, and more
  • Less than 25¢ a week