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What Is DNS Security? Everything You Need to Know

eSecurity Planet

DNS security protects the domain name system (DNS) from attackers seeking to reroute traffic to malicious sites. Since a majority of business IT traffic now accesses or passes through the internet, DNS plays an increasingly important — and vulnerable — role. in the DNS cache for more efficient delivery of information to users.

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4 strategies to help reduce the risk of DNS tunneling

CSO Magazine

Domain name system (DNS) tunneling is a pervasive threat that enables hackers to get any data in and out of a company's internal network while bypassing most firewalls. But DNS tunneling essentially smuggles hostile traffic through DNS ports, which makes these attacks difficult to detect and mitigate.

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Role of DNS-level security for SASE

Security Boulevard

Many articles in the industry and my blog on Deciphering SASE are very clear on the major constituents of SASE. In the case of SASE Security, the predominant components discussed are Secure Web Gateway (SWG), Cloud Access Security Broker (CASB), Zero Trust Network Access (ZTNA), and Next-Generation Firewall (NGFW).

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Flaws in widely used dnsmasq software leave millions of Linux-based devices exposed

CSO Magazine

Security researchers have found several serious vulnerabilities in dnsmasq, a utility used in many Linux-based systems, especially routers and other IoT devices, to provide DNS services. Dnsmasq is a lightweight tool that provides DNS caching, DNS forwarding and DHCP (Dynamic Host Configuration Protocol) services.

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BrandPost: 5 Often-Overlooked Log Sources

CSO Magazine

Common logs from servers and firewalls are fairly easily ingested and parsed, while DNS or physical security logs are much tougher to manage at scale, and block visibility into the security environment. To read this article in full, please click here All logs are not created equal.

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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.

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Future Focused: Encryption and Visibility Can Co-Exist

Cisco Security

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. When you type “example.com” in your browser, the request goes to a DNS server that matches the URL to an IP address. I welcome your comments.