2021 DNS Firewall Internet 
Malwarebytes
JULY 12, 2021
Firefox recently announced that it will be rolling out DNS-over-HTTPS (or DoH) soon to one percent of its Canadian users as part of its partnership with CIRA (the Canadian Internet Registration Authority), the Ontario-based organization responsible for managing the.ca DNS-over-HTTPS is designed to shut out everyone else.
Cisco Security
MARCH 11, 2021
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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Cisco Security
AUGUST 12, 2021
Cisco Secure returned as a supporting partner of the Black Hat USA 2021 Network Operations Center (NOC) for the 5 th year ; joining conference producer Informa Tech and its other security partners. Threat hunting is a core mission of the Cisco Secure team, while monitoring the DNS activity for potentially malicious activity.
Cisco Security
MARCH 11, 2021
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.
Malwarebytes
APRIL 13, 2021
A set of vulnerabilities has been found in the way a number of popular TCP/IP stacks handle DNS requests. Yes, the researchers found 9 DNS-related vulnerabilities that have the potential to allow attackers to take targeted devices offline or to gain control over them. Basically, you could say DNS is the phonebook of the internet.
McAfee
DECEMBER 22, 2021
CVE-2021-44228 – Apache Releases Log4j Version 2.15.0 A full technical analysis can be found here: McAfee Advanced Threat Research: Log4Shell Vulnerability is the Coal in our Stocking for 2021. KB95091: McAfee Enterprise coverage for Apache Log4j CVE-2021-44228 Remote Code Execution. Attack Chain and Defensive Architecture.
Cisco Security
MARCH 16, 2021
Hiding internet activity strengthens privacy—but also makes it easier for bad actors to infiltrate the network. In this blog I’ll describe two recent privacy advances—DNS over HTTPS (DoH) and QUIC—and what we’re doing to maintain visibility. Keeping your destination private: DNS over HTTPS. DoH prevents both of these problems.
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