
Enlarge / NGA headquarters. A trove of top secret data processed by NGA contractor Booz Allen Hamilton was left exposed on a public Amazon cloud instance. (credit: Trevor Paglen) On May 24, Chris Vickery, a cyber risk analyst with the security firm UpGuard, discovered a publicly accessible data cache on Amazon Web Services’ S3 storage service that contained highly classified intelligence data. The cache was posted to an account linked to defense and intelligence contractor Booz Allen Hamilton. And the files within were connected to the US National Geospatial-Intelligence Agency…