Network Security
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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
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June 27, 2019
27
Jun'19
Pica8 PicOS upgrade enhances network security
Pica8 claims its PicOS network operating system will address rising security and efficiency challenges with its new network access control integrations.
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June 26, 2019
26
Jun'19
What networking analysts are saying about Cisco's future
Has Cisco outgrown networking? One industry insider seems to think so. Plus, other analysts size up Cisco's future around security and intent-based networking.
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June 24, 2019
24
Jun'19
Aviatrix adds next-gen firewalls to cloud services
The Palo Alto Networks VM-Series next-generation firewalls are now deployed as part of Aviatrix's Firewall Network Service -- an extension of the Multi-Cloud Backbone portfolio.
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June 18, 2019
18
Jun'19
DH2i's DxConnect brings zero-trust connectivity to networks
DH2i's zero-trust architecture software, DxConnect, will address common security issues and bring microtunnel development, discreet invisibility, an open API and more.
Network Security Get Started
Bring yourself up to speed with our introductory content
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What does stateful vs. stateless mean in a networking context?
When it comes to understanding state from a networking perspective, knowing the difference between stateful vs. stateless firewalls is a crucial starting point. Continue Reading
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A glossary of 10 essential network security terms
This network security glossary covers both old and new key terms -- such as zero trust networks and microsegmentation -- that can bolster anyone's security vocabulary. Continue Reading
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An introduction to the types of firewalls and how they work
In this introduction to firewall technology, learn about the types of firewalls and how they work to keep private networks safe from hackers and other security threats. Continue Reading
Evaluate Network Security Vendors & Products
Weigh the pros and cons of technologies, products and projects you are considering.
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Who's to blame for ransomware attacks -- beyond the attackers?
Cyberattackers are to blame for ransomware attacks, but what about companies that release flawed software or don't install patches? Our expert looks at where the buck stops. Continue Reading
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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
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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
Manage Network Security
Learn to apply best practices and optimize your operations.
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How to improve network visibility and regain control
Gaining visibility into the network has never been easy; technology like cloud and IoT makes it even tougher. Learn how to meet such challenges and keep network traffic flowing. Continue Reading
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The role of edge computing security in enterprise networks
By ensuring IoT security, IT teams can secure enterprise networks as well. Edge computing can provide one path toward this security, as long as IT properly evaluates and plans for it. Continue Reading
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3 important SD-WAN security considerations and features
Device onboarding, control plane security and data plane security are three crucial SD-WAN security considerations enterprises should research when choosing an SD-WAN vendor. 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.
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How to fix the top 5 cybersecurity vulnerabilities
Check out the top five cybersecurity vulnerabilities and find out how to prevent data loss or exposure, whether the problem is end-user gullibility, inadequate network monitoring or poor endpoint security defenses. Continue Reading
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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
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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