From AAA Services to Zero Trust Network Access, Portnox’s cybersecurity center covers every inch of network security, data protection, cyber threats, and beyond—from A to Z.
What is an ARP table and how does it work? The ARP (Address Resolution Protocol) table is a critical component of network communication in IPv4-based networks. It functions like a...
What is a bastion host and why is it used? A bastion host is a special-purpose computer on a network specifically designed and configured to withstand attacks. It typically serves...
What is a subnet mask and how does it work? A subnet mask is a 32-bit number used in IPv4 networking that helps divide an IP address into two components:...
What is ARP and how does it work? The Address Resolution Protocol (ARP) is a communication protocol used for discovering the link-layer address (MAC address) that corresponds to a given...
What is FIPS? FIPS stands for Federal Information Processing Standards. These are publicly announced standards developed by the U.S. federal government to ensure that computer systems and data used by...
What is DevOps? DevOps is a set of practices, tools, and a cultural philosophy that brings together software development (Dev) and IT operations (Ops). The goal of DevOps is to...
What is the Automated Certificate Management Environment (ACME)? The Automated Certificate Management Environment (ACME) is a protocol designed to automate the process of obtaining, renewing, and managing SSL/TLS certificates from...
What is machine learning? Machine learning (ML) is a branch of artificial intelligence (AI) that enables computers to learn from data and improve over time without being explicitly programmed. In...
What is data poisoning? Data poisoning is a type of attack in machine learning or data-driven systems where malicious or incorrect data is intentionally inserted into a dataset to corrupt...
