Author: Staff

DANE Protocol via DNS Improving Email Transport Security

Email remains one of the most vital forms of communication in the digital age, yet it continues to face significant challenges in terms of security. Transport Layer Security (TLS) has long been the standard for encrypting email in transit, protecting messages from interception and tampering. However, traditional TLS relies heavily on third-party certificate authorities (CAs)…

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Privacy-Preserving DNS Logging Techniques and Tools

DNS logging is an essential component of network management and security, offering critical insights into system behavior, troubleshooting issues, and detecting malicious activity. However, the practice of logging DNS queries has increasingly come under scrutiny due to privacy concerns. DNS queries can reveal sensitive information about users’ browsing habits, interests, and activities, making them a…

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Impact of TLS 1.3 and Encrypted DNS on Network Operations

The emergence of TLS 1.3 and encrypted DNS protocols, such as DNS over HTTPS (DoH) and DNS over TLS (DoT), represents a significant milestone in enhancing the privacy and security of Internet communications. These technologies address longstanding vulnerabilities in network protocols by encrypting sensitive data, thereby protecting users from eavesdropping, tampering, and interception. However, their…

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DNS and Internet Governance Policy Debates and Technical Implications

The Domain Name System (DNS) is a cornerstone of the modern Internet, enabling seamless communication by translating human-readable domain names into IP addresses. Despite its technical nature, the DNS has become a focal point of discussions on Internet governance, reflecting the interplay between technological innovation, policy-making, and global collaboration. These debates encompass issues of control,…

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DNS Tunneling Detection and Prevention Emerging Strategies

DNS tunneling represents a significant and evolving threat in the realm of cybersecurity. This technique exploits the Domain Name System (DNS), a critical protocol for translating human-readable domain names into IP addresses, to covertly exfiltrate data or establish unauthorized communication channels. Because DNS is essential for most Internet activity and is often allowed through firewalls…

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Using DNS to Secure the Software Supply Chain

The software supply chain has become a critical target for cyberattacks, with adversaries seeking to exploit vulnerabilities in the distribution and update mechanisms of software to infiltrate networks and systems. Recent high-profile incidents have highlighted the devastating consequences of supply chain attacks, from widespread breaches to the compromise of sensitive data. As organizations strive to…

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Secure Dynamic DNS Updates Ensuring Integrity and Authenticity

The Domain Name System (DNS) serves as a foundational element of the Internet, enabling users to access resources using human-readable domain names. In dynamic environments, where IP addresses frequently change due to mobility or other factors, Dynamic DNS (DDNS) allows DNS records to be updated automatically without manual intervention. While this functionality is critical for…

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DNS Blackholing Advanced Techniques for Blocking Malicious Domains

As cyber threats evolve in sophistication and scale, organizations increasingly rely on proactive defenses to protect their networks and users. One such technique is DNS blackholing, a powerful method for blocking access to malicious domains at the DNS resolution level. By intercepting and redirecting DNS queries for known malicious domains, DNS blackholing prevents users and…

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Best Practices in DNSSEC Key Management and Rollover

DNS Security Extensions (DNSSEC) have become a cornerstone of Internet security, providing cryptographic authentication and data integrity for the Domain Name System (DNS). By using digital signatures to validate DNS responses, DNSSEC helps protect against common attacks such as cache poisoning, spoofing, and man-in-the-middle exploits. However, the security of DNSSEC depends heavily on effective key…

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DNS’s Role in CDN Optimization Mapping Users to the Nearest Content

In an age where digital experiences are expected to be fast, seamless, and responsive, content delivery networks (CDNs) have become a cornerstone of Internet infrastructure. CDNs ensure that websites, videos, and applications can reach global audiences with minimal latency by caching and distributing content across geographically dispersed servers. At the heart of this system lies…

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