For those having a trouble to access the site, this is the archive version: https://web.archive.org/web/20160514214255/http://sijmen.ruwhof.net/weblog/937-how-i

For those having a trouble to access the site, this is the archive version: https://web.archive.org/web/20160514214255/http://sijmen.ruwhof.net/weblog/937-how-i-found-a-huge-data-leak-of-a-company-during-a-college-lecture https://web.archive.org/web/20160514214255/http://sijmen.ruw...