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Black Hat Flashback: The Day That Dan Kaminsky Saved the Internet

Dark Reading

Dark Reading's Kelly Jackson Higgins explains the enormous legacy left behind by Dan Kaminsky and his seminal "Great DNS Vulnerability" talk at Black Hat 2008.

Internet 112
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What Is DNS And Why Should Your Business Care?

Adam Levin

Department of Homeland Security issued an emergency directive in January 2019 giving government agencies ten days to verify that they weren’t compromised by DNS hijacking. Today, less than 20% of DNS traffic is secured by DNSSEC, and only three percent of Fortune 1,000 companies have implemented it.

DNS 141
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Microsoft Patch Tuesday, March 2021 Edition

Krebs on Security

Top of the heap this month (apart from the ongoing, global Exchange Server mass-compromise ) is a patch for an Internet Explorer bug that is seeing active exploitation. “We strongly encourage all organizations that rely on Internet Explorer and Microsoft Edge (EdgeHTML-Based) to apply these patches as soon as possible.”

DNS 337
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Google Public DNS’s approach to fight against cache poisoning attacks

Google Security

Tianhao Chi and Puneet Sood, Google Public DNS The Domain Name System (DNS) is a fundamental protocol used on the Internet to translate human-readable domain names (e.g., When a user enters a domain name in their browser, the DNS resolver (e.g. Google Public DNS). www.example.com) into numeric IP addresses (e.g.,

DNS 72
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Microsoft Patch Tuesday, July 2021 Edition

Krebs on Security

.” Another concerning critical vulnerability in the July batch is CVE-2021-34494 , a dangerous bug in the Windows DNS Server that earned a CVSS score (severity) of 9.8 “Both core and full installations are affected back to Windows Server 2008, including versions 2004 and 20H2,” said Aleks Haugom , also with Automox.

DNS 301
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Fake Lawsuit Threat Exposes Privnote Phishing Sites

Krebs on Security

Launched in 2008, privnote.com employs technology that encrypts each message so that even Privnote itself cannot read its contents. Other Privnote phishing domains that also phoned home to the same Internet address as pirwnote[.]com The real Privnote, at privnote.com. And it doesn’t send or receive messages. com include privnode[.]com

Phishing 239
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Episode 233: Unpacking Log4Shell’s Un-coordinated Disclosure Chaos

The Security Ledger

Mark talks about how the Internet community can come together ahead of the next vulnerability to make sure the. Mark talks about how the Internet community can come together ahead of the next vulnerability to make sure the mistakes that are evident in the response to Log4j aren’t repeated. . Read the whole entry. »

DNS 98