SearchNetworking Network Security

Use ssh-keygen to create new key pairs, copy host keys, use a single login key pair for multiple hosts, retrieve key fingerprints and more.

SSH tunneling creates secure encrypted connections through private and untrusted networks, enabling remote access, bypassing restrictions and protecting sensitive data transfers.

To manage security threats across devices and networks, IT administrators should implement tools and best practices for strong mobile network security.

Governance, risk and compliance (GRC) refers to an organization’s strategy, or framework, for handling the interdependencies of the following three components: corporate governance policies, enterprise risk management programs, and regulatory and company compliance.

Security theater refers to highly visible security measures that create the illusion of increased safety but don’t stop threats.

Communications security (COMSEC) is the prevention of unauthorized access to telecommunications traffic or to any written information that is transmitted or transferred.

IoT security is the technology segment focused on safeguarding connected devices and networks in the internet of things.

Nslookup is the name of a program that lets users enter a hostname and find out the corresponding Internet Protocol address or Domain Name System record.

A smart home is a residence that uses internet-connected devices to enable the remote monitoring and management of appliances and systems, such as lighting and heating.

Firewalls are an essential part of network security. As more employees use mobile devices for work, mobile firewalls are an increasingly vital security tool for organizations.

A content delivery network (CDN), also called a content distribution network, is a group of geographically distributed and interconnected servers.

The CISO (chief information security officer) is a senior-level executive responsible for developing and implementing an information security program.

Biometric authentication is a security process that relies on the unique biological characteristics of individuals to verify their identity.

The domain name system (DNS) is a naming database in which internet domain names are located and translated into Internet Protocol (IP) addresses.

An SD-branch is a single, automated, centrally managed, software-centric platform that replaces or supplements an existing branch network architecture.

Zero trust means a lot more than determining how users access resources. Successful implementation takes time, commitment and ongoing support.

A network management system (NMS) is an application or set of applications that enable network engineers to manage a network’s independent components inside a larger network management framework and perform several key functions.

Ingress filtering is a method used by enterprises and internet service providers to prevent suspicious traffic from entering a network.

Cisco Live 2025 largely focused on the need to modernize infrastructure with AI capabilities. Use this guide to get all the conference news and analysis from this year.

Network as a service (NaaS) is a cloud model for delivering various network services virtually on a subscription basis.