Complex sentence: The agency now says 5.6 million people's fingerprints were stolen as part of the hacks, more than five times the 1.1 million originally estimated when the cyberattacks were disclosed over the summer.
Split into simpler sentences: The agency now says 5.6 million people's fingerprints were stolen as part of the hacks. That's more than five times the 1.1 million government officials estimated when the cyberattacks were initially disclosed over the summer.