Last week, a software update from CrowdStrike caused chaos worldwide, showing a small preview of the potential consequences of tech systems going down. Experts warn that natural disasters or cyberattacks could cause even more disruption, with the possibility of a solar storm wiping out internet access for weeks on end. Solar storms occur when the sun releases highly charged particles in the form of coronal mass ejections. If these particles head towards Earth, they can induce a current in our electrical systems, causing blackouts and disrupting communications and GPS systems.
The likelihood of a catastrophic solar storm causing an internet blackout is relatively low but inevitable. Experts estimate a 1% chance per year of a Carrington Event-like storm happening, which is a massive solar event like the one observed in 1859 that disrupted the telegraph system. While the internet was not designed to withstand this level of interference, experts believe that a severe solar storm between 2024-2028 could potentially knock out the internet for weeks to months.
Preparation for such an event involves monitoring solar activity through satellites and taking precautionary measures, such as unplugging devices to prevent damage to the power grid. Emergency officials would have a few days’ lead time to prepare for a significant event, potentially avoiding complete chaos. While the likelihood of a catastrophic solar storm is low, the potential consequences highlight the need for preparedness in the face of such rare but significant events.
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