Some pages on NASA’s website were hacked by a Brazilian Hacker named “#BMPoC” Visitors to the pages were first greeted with a pop-up window which reads “DO NOT ATTACK THE SYRIAN” followed by another reading “U.S. SPY STOP THE BRAZIL” before the deface page appears. Earlier reports based on Snowden’s documents revealed the existence of the NSA’s PRISM program, and indicate that the National Security Agency spied on Brazilians. At the time of writing, hacked pages were restored but defacement mirrors are available.
Source: https://thehackernews.com/2013/09/nasa-website-hacked-protest-by-hackers.html