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Muddling Meerkat, a mysterious DNS Operation involving China’s Great Firewall

Security Affairs

The China-linked threat actors Muddling Meerkat are manipulating DNS to probe networks globally since 2019. Infoblox researchers observed China-linked threat actors Muddling Meerkat using sophisticated DNS activities since 2019 to bypass traditional security measures and probe networks worldwide.

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Introducing Secure Firewall version 7.3

Cisco Security

Introduction to Cisco Secure Firewall 7.3. Cisco’s latest release of Secure Firewall operating system, Secure Firewall Threat Defence Version 7.3, addresses key concerns for today’s firewall customers. allows for the fingerprinting of traffic that is using the QUIC Protocol in Secure Firewall 7.3.

Firewall 145
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Building Scalable Security with Cisco Secure Firewall Cloud Native Version 1.1

Cisco Security

This is where Cisco Secure Firewall Cloud Native comes in, giving you the flexibility to provision, run, and scale containerized security services. Secure Firewall Cloud Native brings together the benefits of Kubernetes and Cisco’s industry-leading security technologies, providing a resilient architecture for infrastructure security at scale.

Firewall 127
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How to Prevent DNS Attacks: DNS Security Best Practices

eSecurity Planet

Domain name service (DNS) attacks threaten every internet connection because they can deny, intercept, and hijack connections. With the internet playing an increasing role in business, securing DNS plays a critical role in both operations and security. Everything You Need to Know.

DNS 113
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What Is a Firewall Policy? Steps, Examples & Free Template

eSecurity Planet

A firewall policy is a set of rules and standards designed to control network traffic between an organization’s internal network and the internet. Featured Partners: Next-Gen Firewall (NGFW) Software Learn more Table of Contents Toggle Free Firewall Policy Template What Are the Components of Firewall Policies?

Firewall 108
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A Defense-in-Depth Approach Could Stop the Next Big Hack in its Tracks

Webroot

A firewall with the right threat intelligence embedded could have blocked communications with the command-and-control server thus preventing a Trojanized Orion install from connecting back to the attackers and stopping them from furthering the attack. But recent events have worked to undermine this growing understanding.

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The NSA Wants Businesses to Use DoH. Here’s What You Need to Know.

Webroot

In recent months, you’ve likely heard about DNS over HTTPS , also known as DNS 2.0 and DoH, which is a method that uses the HTTPS protocol to encrypt DNS requests, shielding their contents from malicious actors and others who might misuse such information. Ultimately, this DNS privacy upgrade has been a long time coming.

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