Imagine trying to log into your online accounts, but your phone simply won't get the security code. For most of us, getting a text message for multi-factor authentication, or MFA, is a simple, everyday thing. It adds an important layer of safety to our digital lives.

But what if you live and work in a place where cell towers are non-existent, and satellite connections are slow and costly? This isn't a hypothetical question for the dedicated scientists and support staff living in Antarctica. Their story shows how a simple security step can become a massive, forgotten hurdle.