How the Bad Guys Exploit DNS
Are you curious how hackers exploit the Domain Name System (DNS) to gain access, redirect traffic, or exfiltrate data? In this video, cybersecurity educator Dr. Bill Heldman breaks down the most common DNS attack methods used by threat actors—from DNS spoofing to cache poisoning, subdomain hijacking, and DNS tunneling.
Topics Covered:
What is DNS and how it works
How attackers manipulate DNS
Tools hackers use (like dig, fierce, dnsrecon, and dnsenum)
Real-world examples of DNS-based attacks
Inside the mind of the attacker: Learn how threat actors think, and how to defend your networks by anticipating their tactics.
Like, share, and subscribe for weekly cybersecurity and digital literacy content.
Perfect for:
Cybersecurity students | Ethical hackers | IT professionals | Educators | Network admins
00:00 Introduction
23:22 NSLookup
25:50 DNSEnum
26:55 Fierce
27:26 DNSRecon