What would happen if the internet went down?
It’s impossible to turn off the entire internet, but it’s still a good idea to be prepared for online services to be disrupted.
The internet itself is not a singular entity, but a vast network of interconnected computers and devices. This network facilitates various services, from social media to email and banking. Unlike a smartphone or TV, there’s no "off switch" for the internet. Instead, it relies on infrastructure such as physical cables, wireless links, and satellites to transmit data across continents.
If one system fails, it doesn't necessarily mean all systems go dark. However, shared dependencies can amplify the impact of outages. For instance, a problem with a shared sign-in system could simultaneously disrupt services like email, document editing, and online learning platforms. While a complete internet blackout is unlikely due to its extensive infrastructure, disruptions to specific services are probable and increasing.
Outages can vary in severity, affecting different services based on which shared systems fail and the availability of alternatives. To mitigate these risks, organizations should have well-prepared incident response plans, including clear criteria for isolating systems, maintaining essential operations, and recovering from cyber incidents.
For users, the key preparation lies in identifying critical services, identifying alternatives, and setting up backup arrangements. This includes storing essential documents offline, finding alternative methods for communication and payments, and preparing backup sign-in codes for multi-factor authentication. While the internet itself may not fail completely, the resilience of individual services heavily depends on our proactive preparation.
Written by urgent.news from The Conversation AU's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.
