--- title: Protecting Crypto Domains and Infra: A Guide to... description: A breakdown of DNS and BGP hijacking threats targeting DeFi and Web3 projects, using the April 2026 CowSwap DNS exploit as a case study. Attackers modified DNS... canonical: https://daily.dev/posts/protecting-crypto-domains-and-infra-a-guide-to-defending-against-dns-hijacking-and-bgp-attacks-exzlxpi12 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Protecting Crypto Domains and Infra: A Guide to Defending Against DNS Hijacking and BGP Attacks | daily.dev og:description: A breakdown of DNS and BGP hijacking threats targeting DeFi and Web3 projects, using the April 2026 CowSwap DNS exploit as a case study. Attackers modified DNS... og:url: https://daily.dev/posts/protecting-crypto-domains-and-infra-a-guide-to-defending-against-dns-hijacking-and-bgp-attacks-exzlxpi12 og:image: https://api.daily.dev/og/posts/ExZlXpI12.png og:image:alt: Protecting Crypto Domains and Infra: A Guide to Defending Against DNS Hijacking and BGP Attacks og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Protecting Crypto Domains and Infra: A Guide to Defending Against DNS Hijacking and BGP Attacks **[Coins Bench](https://daily.dev/sources/coinsbench)** · 5 min read · 0 upvotes · 0 comments ## Summary A breakdown of DNS and BGP hijacking threats targeting DeFi and Web3 projects, using the April 2026 CowSwap DNS exploit as a case study. Attackers modified DNS records to serve a phishing frontend with an embedded wallet drainer, resulting in $500k+ in losses within a two-hour window. The post identifies a pattern of attacks targeting .fi and .finance domains registered through certain providers like Gandi, and recommends migrating to mainstream TLDs. It advocates for enterprise-grade DNS protection via MarkMonitor and lists accessible alternatives like DigiBastion and Guardrail. Practical hardening steps include enabling registrar lock, DNSSEC, hardware security keys, API token rotation, and real-time domain monitoring. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [TDL 006 \| Beyond the Firewall: How Attackers Weaponize Your DNS](https://daily.dev/posts/tdl-006-beyond-the-firewall-how-attackers-weaponize-your-dns-sttwfmytk) · Security Boulevard · 0 upvotes · 0 comments - [The purpose of DNS is to spread scams](https://daily.dev/posts/the-purpose-of-dns-is-to-spread-scams-9kvenwh8e) · Terence Eden · 1 upvotes · 0 comments - [Borrowed Trust: Cloud DNS Hijack Fuels Gambling SEO Attack](https://daily.dev/posts/borrowed-trust-cloud-dns-hijack-fuels-gambling-seo-attack-l0tliv0ch) · Cyble · 0 upvotes · 0 comments --- Tags: [#defi](https://daily.dev/tags/defi) [View this post on daily.dev](https://daily.dev/posts/protecting-crypto-domains-and-infra-a-guide-to-defending-against-dns-hijacking-and-bgp-attacks-exzlxpi12) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Protecting Crypto Domains and Infra: A Guide to Defending Against DNS Hijacking and BGP Attacks","url":"https://daily.dev/posts/protecting-crypto-domains-and-infra-a-guide-to-defending-against-dns-hijacking-and-bgp-attacks-exzlxpi12","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/protecting-crypto-domains-and-infra-a-guide-to-defending-against-dns-hijacking-and-bgp-attacks-exzlxpi12"},"datePublished":"2026-04-17T14:45:49.116Z","dateModified":"2026-04-17T14:46:15.501Z","description":"A breakdown of DNS and BGP hijacking threats targeting DeFi and Web3 projects, using the April 2026 CowSwap DNS exploit as a case study. 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