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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.”

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Microsoft Patch Tuesday, July 2021 Edition

Krebs on Security

.” Among the critical bugs is of course the official fix for the PrintNightmare print spooler flaw in most versions of Windows ( CVE-2021-34527 ) that prompted Microsoft to rush out a patch for a week ago in response to exploit code for the flaw that got accidentally published online. out of a possible 10.

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DNSSEC: The Secret Weapon Against DNS Attacks 

Security Boulevard

The domain name system (DNS) is known as the phone book of the internet, quickly connecting users from their devices to their desired content. In April 2021, a troubling report indicated that an. The post DNSSEC: The Secret Weapon Against DNS Attacks appeared first on Security Boulevard.

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Internet Systems Consortium (ISC) fixes High-Severity DoS flaw in BIND DNS Software

Security Affairs

The Internet Systems Consortium (ISC) addressed a high-severity denial-of-service (DoS) flaw (CVE-2021-25218) affecting the BIND DNS software. Some operating systems allow packets received via other protocols to affect PMTUD values for DNS over UDP.” SecurityAffairs – hacking, BIND DNS ). Pierluigi Paganini.

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Flaws in the BIND software expose DNS servers to attacks

Security Affairs

The Internet Systems Consortium (ISC) released updates for the BIND DNS software to patch several denial-of-service (DoS) and potential RCE flaws. The most serious vulnerability, tracked as CVE-2021-25216 , is a buffer overflow issue that can lead to a server crash and under specific conditions to remote code execution.

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Privacy bug in the Brave browser exposes Tor addresses to user’s DNS provider

Security Affairs

An anonymous researcher initially reported that the Brave’s Tor mode was sending queries for.onion domains to public internet DNS resolvers, other experts confirmed his findings. Piping.onion requests through DNS where your ISP or DNS provider can see that you made a request for an.onion site defeats that purpose.”

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Threat Trends: DNS Security, Part 1

Cisco Security

After examining topics such as the MITRE ATT&CK framework , LOLBins , and others, this release will look at DNS traffic to malicious sites. We’ll also look at malicious DNS activity—the number of queries malicious sites receive. Organizations and malicious DNS activity. Overview of analysis. Cryptomining.

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