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MasterCard DNS Error Went Unnoticed for Years

Krebs on Security

The payment card giant MasterCard just fixed a glaring error in its domain name server settings that could have allowed anyone to intercept or divert Internet traffic for the company by registering an unused domain name. A DNS lookup on the domain az.mastercard.com on Jan. 14, 2025 shows the mistyped domain name a22-65.akam.ne.

DNS 361
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New DNS Hijacking Attacks

Schneier on Security

DNS hijacking isn't new, but this seems to be an attack of uprecidented scale: Researchers at Cisco's Talos security division on Wednesday revealed that a hacker group it's calling Sea Turtle carried out a broad campaign of espionage via DNS hijacking, hitting 40 different organizations.

DNS 279
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Facebook Is Down

Schneier on Security

Basically, someone deleted their BGP records, which made their DNS fall apart. BGP is a mechanism by which Internet service providers of the world share information about which providers are responsible for routing Internet traffic to which specific groups of Internet addresses. …at approximately 11:39 a.m.

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All Gmail users at risk from clever replay attack

Malwarebytes

This attack, first flagged by Nick Johnson , the lead developer of the Ethereum Name Service (ENS), a blockchain equivalent of the popular internet naming convention known as the Domain Name System (DNS). Protect yourand your family’spersonal information by using identity protection.

Risk 100
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How to Secure DNS

eSecurity Planet

The domain name system (DNS) is basically a directory of addresses for the internet. Your browser uses DNS to find the IP for a specific service. For example, when you enter esecurityplanet.com, the browser queries a DNS service to reach the matching servers, but it’s also used when you send an email.

DNS 137
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Bomb Threat, Sextortion Spammers Abused Weakness at GoDaddy.com

Krebs on Security

Experts at Cisco Talos and other security firms quickly drew parallels between the two mass spam campaigns, pointing to a significant overlap in Russia-based Internet addresses used to send the junk emails. When it was initially set up, it took advantage of two managed DNS servers assigned to it by GoDaddy — ns17.domaincontrol.com,

DNS 268
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DNS-over-HTTP/3 in Android

Google Security

Posted by Matthew Maurer and Mike Yu, Android team To help keep Android users’ DNS queries private, Android supports encrypted DNS. In addition to existing support for DNS-over-TLS, Android now supports DNS-over-HTTP/3 which has a number of improvements over DNS-over-TLS. In Android 9.0,

DNS 142