What is a brute force attack?
What is a brute force attack? A brute force attack is a trial-and-error method used to decode sensitive data. The most common applications for brute force attacks are cracking passwords…
DNS amplification attack
DNS amplification is a DDoS attack that leverages DNS resolvers to overwhelm a victim with traffic. What is a DNS amplification attack? This DDoS attack is a reflection-based volumetric distributed…
What is time-to-live (TTL)? | TTL definition
What is time-to-live (TTL) in networking? Time to live (TTL) refers to the amount of time or “hops” that a packet is set to exist inside a network before being…
What is the Internet Control Message Protocol (ICMP)?
What is the Internet Control Message Protocol (ICMP)? The Internet Control Message Protocol (ICMP) is a network layer protocol used by network devices to diagnose network communication issues. ICMP is…
What is DNS? | How DNS works
DNS lets users connect to websites using domain names instead of IP addresses. Learn how DNS works. What is DNS? The Domain Name System (DNS) is the phonebook of the…
What is UDP?
A transport layer communication protocol, UDP is a very common protocol for voice and video traffic. What is the User Datagram Protocol (UDP/IP)? The User Datagram Protocol, or UDP, is…
SYN flood attack
An SYN flood exploits a TCP/IP handshake vulnerability in an attempt to disrupt a web service. What is an SYN flood attack? An SYN flood (half-open attack) is a denial-of-service…
What is a DDoS attack?
A distributed denial-of-service (DDoS) attack is a malicious attempt to disrupt the regular traffic of a targeted server, service, or network by overwhelming the target or its surrounding infrastructure with…
What are IP & TCP?
The Internet Protocol (IP) is the address system of the Internet and has the core function of delivering packets of information from a source device to a target device. IP…
What is a Botnet?
A bot is a piece of malware that infects a computer to carry out commands under the remote control of the attacker. A botnet (short for “robot network”) is a…