Decoding 2026 DNS Attack Trends: What It Means for DNS Floods to Account for 40% of Network-Layer Attacks

In Cloudflare’s semi-annual DDoS threat report, one figure warrants serious attention: the share of network-layer attacks accounted for by DNS flood attacks climbed from 25.7% in the first quarter to 40.0% in the second. This means that two out of

What Is a DNS Tunneling Attack? How Attackers Steal Data Using DNS Queries

There is a counterintuitive fact in cybersecurity: the most dangerous attacks often lurk in the places you would least suspect. Firewalls typically permit DNS traffic on port 53 because the Internet cannot function without domain name resolution.

Which is better: DoH or DoT? A Comparison of DNS Encryption Protocols (Performance, Privacy, and Compatibility)

The topic of DNS encryption has been debated for years, yet when it comes to making a selection, many people still get stuck on the same question: both DoH and DoT can encrypt DNS queries, so which one should be chosen? The answer isn't a matter

What is the difference between a DNS flood attack and a DNS amplification attack?

There are many types of DNS attacks, but only two are primarily used in large-scale real-world scenarios: DNS flood attacks and DNS amplification attacks. These terms are often used interchangeably—sometimes even lumped together as "DNS DDoS"

A Comprehensive Guide to Domain Security: From Threat Awareness to Practical Defense

The Reality of DNS Poisoning in 2026: Four Major Challenges Facing Enterprises

Why Do SSL Certificate CSR Generation Failures Occur? How to Avoid Them—A Comprehensive Analysis and Troubleshooting Guide

Monitoring Malicious DNS Tunneling Traffic: A Critical Line of Defense for Enterprise Data Loss Prevention

In an enterprise's cybersecurity architecture, firewalls typically permit DNS traffic by default—after all, without DNS, almost no

Numerous enterprises have experienced accidental deletion of SSL certificates, resulting in business disruptions.

Recently, multiple production incidents have come to light within the security and operations community; in many cases, operations personnel accidentally

What are the differences between the three SSL certificate validation levels: DV, OV, and EV certificates?

When selecting an SSL certificate, the acronyms DV, OV, and EV can often be confusing. Prices range from free to several thousand yuan, and issuance times vary from a few minutes to a week—so what exactly is the difference? Let’s start with a conclusion