Remove 2020 Remove DNS Remove Encryption
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MasterCard DNS Error Went Unnoticed for Years

Krebs on Security

A DNS lookup on the domain az.mastercard.com on Jan. From June 30, 2020 until January 14, 2025, one of the core Internet servers that MasterCard uses to direct traffic for portions of the mastercard.com network was misnamed. 14, 2025 shows the mistyped domain name a22-65.akam.ne.

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Does Your Domain Have a Registry Lock?

Krebs on Security

13, 2020, which was the date the fraudsters got around to changing the domain name system (DNS) settings for e-hawk.net. That alert was triggered by systems E-HAWK had previously built in-house that continually monitor their stable of domains for any DNS changes. Use DNSSEC (both signing zones and validating responses).

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Let’s Encrypt CA is revoking over 3 Million TLS certificates due to a bug

Security Affairs

Let’s Encrypt is going to revoke over 3 million certificates today due to a flaw in the software used to verify users and their domains before issuing a certificate. A bug in Let’s Encrypt’s certificate authority (CA) software, dubbed Boulder, caused the correct validation for some certificates.

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Future Focused: Encryption and Visibility Can Co-Exist

Cisco Security

In fact, 63% of threats detected by Cisco Stealthwatch in 2019 were in encrypted traffic. The European Union is concerned enough that it drafted a resolution in November 2020 to ban end-to-end encryption, prompting outcry from privacy advocates. Keeping your destination private: DNS over HTTPS.

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No, I Did Not Hack Your MS Exchange Server

Krebs on Security

Watson said the Krebsonsecurity file will attempt to open up an encrypted connection between the Exchange server and the above-mentioned IP address, and send a small amount of traffic to it each minute. I’d been doxed via DNS. ” What was the subdomain I X’d out of his message? Just my Social Security number.

Hacking 363
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Local Networks Go Global When Domain Names Collide

Krebs on Security

A core part of the way these things find each other involves a Windows feature called “ DNS name devolution ,” a kind of network shorthand that makes it easier to find other computers or servers without having to specify a full, legitimate domain name for those resources. He then learned the.ad

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New SteelFox Trojan mimics software activators, stealing sensitive data and mining cryptocurrency

SecureList

Its parameters are also encrypted — they are decrypted once dropped by the first stage. The target DLL is loaded via a malicious shellcode and encrypted with AES-128 in the same way as described earlier in the initial stage. SteelFox resolves this via Google Public DNS and DNS over HTTPS (DoH). sys driver running inside.

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