Sufficiently andvanced incompetence

[zhiva]

Russian mobile operator Megafon managed to make thousands of SMS sent from its website open to the Yandex web search engine, which promptly indexed them. Complete message texts, tied to the actual phone numbers. By the time Yandex cleared its cache, someone collected 997 messages and made a Google spreadsheet. All this because Megafon didn't put robots.txt file into directory with SMS texts...