>"[...]Amadeus presented the paperwork on a page with a URL that includes the passenger's ID number. This ID number could be changed to another number to call u

>"[...]Amadeus presented the paperwork on a page with a URL that includes the passenger's ID number. This ID number could be changed to another number to call up other boarding passes[...]" How many times does this exact enumeration "vulnerability" need to be exploited before people realize it's bad practice to set up your site this way? Perhaps it's a bit of survivorship bias, but it always seems to be banks, health agencies, or otherwise companies storing extremely sensitive data that are exposed for this. It reminds me of a story in Canada, where a young gentlemen was charged for changing the number in the URL for the Nova Scotia Freedom of Information Portal to download documents.[1] [1]https://www.cbc.ca/news/canada/nova-scotia/freedom-of-information-request-privacy-breach-teen-speaks-out-1.4621970 https://www.cbc.ca/news/canada/nova-scotia/freedom-of-inform... >The teen has been charged with "unauthorized use of a computer," which carries a possible 10-year prison sentence, for downloading approximately 7,000 freedom-of-information releases.