The choice bits:

  > During this time Makwana had root access to all of the main
  > systems, credentials which the company failed to revoke until
  > the evening of the day of his layoff.

  > His intention was nothing short of replacing the entire financial
  > data, including the backups, from all of the company's production
  > servers, with zeroes.

  > the admin appended malicious code to a legitimate script, leaving
  > a page-worth of blank lines between the two in order to avoid
  > detection.

  > Had this malicious script executed, engineers expect it would
  > have caused millions of dollars of damage and reduced if not
  > shutdown operations at Fannie Mae for at least one week.