Network Security Archives - The Security Buddy

What is DHCP Spoofing and how does it work?

CCNA, CCNP, CompTIA, Data Breaches and Prevention, End Point Protection, Exclusive Articles, Malware Prevention, Network Security, Phishing, Security Fundamentals

DHCP Spoofing attack is an attack in which attackers set up a rogue DHCP server and use that to send forged DHCP responses to devices in a network. Attackers often use this attack to replace the IP addresses of Default Gateway and DNS servers and thereby divert...

What is DHCP Starvation attack and how does it work?

CCNA, CCNP, CompTIA, DoS and DDoS Prevention, Exclusive Articles, Network Security

DHCP Starvation attack is an attack in which attackers deplete the IP address space available to a DHCP server and thereby cause a denial of service to legitimate devices in a network. Attackers can use various methods to perpetrate a DHCP Starvation attack. But, they...

The Difference Between IKE and ISAKMP Protocol

CCNP, CompTIA, Data Breaches and Prevention, Data Security, End Point Protection, Exclusive Articles, Network Security, VPN

IKE or Internet Key Exchange protocol is a protocol that sets up Security Associations (SAs) in the IPSec protocol suite. And, ISAKMP or Internet Security Association and Key Management Protocol is a protocol that is used to establish SA and cryptographic keys. Then...

How does the IKEv2 protocol work?

CCNP, CompTIA, Data Breaches and Prevention, Data Security, Encryption, End Point Protection, Exclusive Articles, Network Security, VPN

What is the Internet Key Exchange Protocol (IKE)? IKE or Internet Key Exchange protocol is a protocol that performs mutual authentication and sets up or maintains Security Associations (SAs) in the IPSec protocol. It uses the Diffie-Hellman Key Exchange protocol to...

What is a DNS sinkhole and how can it be used to prevent malware?

CCNA, CCNP, CompTIA, Data Breaches and Prevention, Data Security, Email Security, End Point Protection, Exclusive Articles, File Less Malware, Malware Prevention, Network Security, Phishing, Ransomware Prevention, Rootkits and Prevention

What is a DNS sinkhole? Let’s say an employee of a company has received one phishing email. He could not recognize the phishing attempt and clicked on the phishing link or opened an attachment to the email. As a result, the employee’s system tries to connect to the...