I hacked NASA again & reported vulnerabilities; got appreciation letter: Hacker
A hacker, who goes by the alias '7h3h4ckv157', has claimed that he hacked NASA's systems twice and reported some vulnerabilities to them. He also shared a picture of the appreciation letter he received from NASA, saying, "Just today, I received this appreciation letter...after they patched the loopholes." The letter was signed by Mike Witt, NASA Office of Chief Information Officer.