As it relates to computer networking, air gapping. For example, let’s say you want to work on sensitive financial and business documents without any risk of ransomware, keyloggers, and other malware. An air-gapped computer is one that is neither connected to the internet nor connected to other systems that are connected to the internet. This ensures that your air-gapped system can’t be compromised by an attacker over the network, and it also ensures that, even if there is malware like a keylogger on your air-gapped computer, it can’t communicate any data over the network. If you follow cyber security for long enough youre bound to come across the term air gapped computer. An air gap is a security measure that involves isolating a computer or network and preventing it from establishing an external connection. An air-gapped computer system has no physical (or wireless) connection to unsecured systems and networks.
#AIR GAPPED COMPUTER SOFTWARE#
If you need to download some software, for example, use a computer connected to the internet, transfer the software to something like a USB drive, and use that storage device to move the files back and forth. For maximum security, consider reinstalling the computer’s operating system from trusted installation media and using it entirely offline after that.ĭon’t re-connect the computer to a network, even when you need to transfer files. Disconnect any physical Ethernet cables and disable the computer’s Wi-Fi and Bluetooth hardware. Don’t connect it to the internet, and don’t connect it to a local network. The highest level of security for a computer is for it to be air-gapped.
#AIR GAPPED COMPUTER HOW TO#
RELATED: Want to Survive Ransomware? Here's How to Protect Your PC How to Air Gap a Computer Andrea Leone/Īs we’ve seen, air gapping a computer is actually pretty simple: Just disconnect it from the network. An air-gapped computer is physically separated with no hardwired or wireless connection to the rest of the internet.
If you bring an installer infected with ransomware to an air-gapped computer via a USB drive, that ransomware could still encrypt the files on your air–gapped computer and wreak havoc, demanding you connect it to the internet and pay up money before it will decrypt your data.
That said, garden-variety malware could also be a problem.
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