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What is Passive DNS and how do you leverage it in research?

CTOvision

The concept was created in 2004 to help mitigate the threat of malware but is now used for that and far more use cases. This can help identify who is infected with malware and help identify who is benefiting from the malware. DNS works like a contact application for the Internet.

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A Tutorial For Enhancing Your Home DNS Protection

CTOvision

The Internet only works because it has a similar automated switching system. Every device you have, indeed, every device on the Internet, uses DNS to determine how to route information to other devices. When you buy Internet service for your home, your Internet Service Provider automatically configures a DNS service for you.

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