An Expert’s View on DNSSEC: Pros, Cons, and When to Implement

Asks whether DNS cache poisoning still matters: explains how the classic attack works, why confirmed major incidents have all but vanished, and where the technique remains exploitable.

How to pick a DNS server for speed, privacy and security: compares Cloudflare, Google and other resolvers, explains DNSSEC and caching, and includes setup guidance for every user type.

A Viettel Cyber Security overview of how DNS is leveraged in DDoS attacks and the protective measures organizations can take.

An overview of attacks targeting ISP infrastructure, covering DDoS, IP spoofing, route leaking and BGP hijacking, illustrated by the 2016 Mirai attack on Liberia's national internet.

The Internet is a vast and unforgiving wilderness; every day, some new monstrous beast rears its ugly head and threatens the hapless denizens of networks everywhere.

Guide to Nmap alternatives across web and CLI: fast mass scanners Masscan and ZMap, vulnerability audits with OpenVAS, and browser-based services like Nmap.online and ZoomEye—plus where the terminal still wins.