Needing the DoH: The Ongoing Encryption and Centralization of DNS

Дата: 26.02.2021. Автор: CISOCLUB. Категории: Подкасты и видео по информационной безопасности

Most connections on the Internet start with a DNS request. As the connections themselves increasingly have moved to encrypted methods (primarily HTTP to HTTPS), surveillance and data aggregation by service providers and nation states have transitioned from monitoring the contents of the connection itself to monitoring unencrypted headers and their DNS requests.

In an attempt to protect DNS queries from Monster in the Middle (MITM) interception and manipulation, DNS-over-TLS (DoT) and DNS-over-HTTPS (DoH) have emerged as new proposed standards. These have evoked some concerns as they represent major changes to both the end user and network operators.

By Eldridge Alexander

Full Abstract & Presentation Materials: https://www.blackhat.com/us-20/briefings/schedule/#needing-the-doh-the-ongoing-encryption-and-centralization-of-dns-20458

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