Network Security
New & Notable
Your Free CCNA Certification Prep Guide
Achieving your CCNA certification requires a true in-depth understanding of network fundamentals and network security technologies, so it’s important to stay on track with your studies. Download this exclusive prep guide to gain a clear understanding of the CCNA exam today and take a 10-question practice quiz to help you determine if you’re ready for your certification.
Network Security News
-
May 22, 2019
22
May'19
Risk & Repeat: Cisco vulnerabilities raise backdoor concerns
This week's Risk & Repeat podcast looks at vulnerabilities in Cisco and Huawei products, which have raised concerns about backdoor access in networking equipment.
-
May 20, 2019
20
May'19
Marconi Mainnet launched for building, scaling complex networks
The Marconi Mainnet platform provides blockchain security, multi-cloud connectivity, advanced firewalls and secure gateways for decentralized networks.
-
May 15, 2019
15
May'19
Extreme launches autonomous network strategy at Extreme Connect
Extreme unveils its building blocks for an autonomous network, called Elements. The company also introduces at the Extreme Connect show an IoT security tool.
-
May 10, 2019
10
May'19
Cisco AMP for Networks bolsters SD-WAN security
Cisco AMP for Networks is now part of the company's SD-WAN product. Cisco also announced this week that it had open sourced its MindMeld AI development platform.
Network Security Get Started
Bring yourself up to speed with our introductory content
-
What are the 5 types of network firewalls and how are they different?
As they monitor and filter network traffic, some firewalls can provide some pretty advanced security controls. But added packet inspection can slow network performance. Continue Reading
-
How to build a strong cloud network security strategy
Building a secure network in the cloud is different from securing a traditional network. Learn what the main differences are and how to establish cloud networking security. Continue Reading
-
payload (computing)
In computing, a payload is the carrying capacity of a packet or other transmission data unit. The term has its roots in the military and is often associated with the capacity of executable malicious code to do damage. Technically, the payload of a ... Continue Reading
Evaluate Network Security Vendors & Products
Weigh the pros and cons of technologies, products and projects you are considering.
-
What is network traffic analytics and how does it enhance security?
Network traffic analysis has evolved to incorporate machine learning techniques that help identify network security threats in real time and expedite a response. Continue Reading
-
Zero-trust security model primer: What, why and how
What exactly is a zero-trust security model? This primer explains the basics about the philosophy behind how designing a security architecture strictly limits access to all, not just outsiders. Continue Reading
-
NetOps vs. DevOps vs. NetSecOps: What's the difference?
DevOps, NetOps and NetSecOps ... oh my! These IT concepts have their differences, but at the end of the day, they're family. Here's how they relate. Continue Reading
Manage Network Security
Learn to apply best practices and optimize your operations.
-
DDoS attacks among top 5G security concerns
DDoS attacks top the list of primary security concerns for mobile operators now that 5G wireless is advancing as the number of connected devices grows. Continue Reading
-
New options to enable remote access in the network
Networking pros must enable remote access to corporate networks in more agile ways to keep pace with complex networks using both private and public clouds. Continue Reading
-
The future of VPN will reflect the need for flexibility
The future of VPN services reflects the industry's trend toward software networking, evident in developments like SD-WAN and public cloud. The need for flexible technology is a main driver. Continue Reading
Problem Solve Network Security Issues
We’ve gathered up expert advice and tips from professionals like you so that the answers you need are always available.
-
How to secure network devices in a hostile world
Find out how to secure network devices by locking down the biggest, riskiest holes to protect them from exploits long before some or all of the network crashes. Continue Reading
-
What tools can reinforce network edge security?
Firewalls, intrusion prevention systems and cloud-based threat intelligence are just a few of the many ways that organizations can bolster network edge security. Continue Reading
-
What does a zero-trust model mean for network security?
A zero-trust model limits access and permissions according to a defined set of parameters that enterprises specify for each application. Learn what this means for network security. Continue Reading