📌 Air-Gapped Network Summary
An air-gapped network is a computer network that is physically isolated from other networks, especially the public internet. This means there are no direct or indirect connections, such as cables or wireless links, between the air-gapped network and outside systems. Air-gapped networks are used to protect sensitive data or critical systems by making it much harder for cyber attackers to access them remotely.
🙋🏻♂️ Explain Air-Gapped Network Simply
Imagine keeping your most valuable possessions in a locked room that has no doors or windows connecting it to the rest of the house. The only way to get something in or out is to physically walk it through a guarded door. This is how an air-gapped network works for computers: it is completely separated from other networks to keep it safe.
📅 How Can it be used?
Use an air-gapped network to protect confidential research data from unauthorised access during a sensitive scientific project.
🗺️ Real World Examples
A government agency responsible for national security might use an air-gapped network to store classified information and run critical applications. Employees must use specially approved devices to transfer data in or out, often using encrypted USB drives that are carefully monitored.
A nuclear power plant uses an air-gapped network to control its reactor systems, ensuring that even if the public internet is compromised, the critical control systems remain safe from remote cyber attacks.
✅ FAQ
What is an air-gapped network and why is it used?
An air-gapped network is a group of computers or devices that are completely separated from other networks, including the internet. This isolation is used to protect important information or systems, making it much harder for hackers to reach them from outside. It is often used in places where security is a top priority, like government agencies or critical infrastructure.
Can data ever be transferred to or from an air-gapped network?
Yes, data can still move in and out of an air-gapped network, but it has to be done in person using things like USB drives or CDs. This manual process adds an extra layer of security, but it also means that people need to be very careful to avoid accidentally bringing in viruses or other threats.
Are air-gapped networks completely safe from cyber attacks?
While air-gapped networks are much safer than most, they are not completely immune to attacks. There have been rare cases where attackers have used infected USB drives or even clever tricks to cross the gap. However, the lack of a direct connection makes these attacks much more difficult, which is why air-gapped networks are trusted for protecting sensitive information.
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