Network security
With the growth of malware and data breaches, enterprises must ensure their networks -- and the applications and traffic on those networks -- are secure. Learn about important network security strategies and technologies, such as VPNs, Secure Access Service Edge (SASE), zero trust and software-defined perimeter (SDP).
Top Stories
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Conference Coverage
15 May 2025
Cisco Live 2025 conference coverage and analysis
Cisco Live 2025 will largely focus on the need to modernize infrastructure with AI capabilities. Use this guide to follow along with conference news and analysis. Continue Reading
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Answer
13 May 2025
How can an enterprise mobile VPN fit into a mobility plan?
Organizations that need to secure mobile users and provide remote access to corporate resources should consider an on-premises or cloud-hosted mobile VPN. Continue Reading
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News
30 Nov 2017
Aporeto app security uncoupled from network infrastructure
Aporeto app security startup has introduced security software that achieves scale by decoupling application security from the network infrastructure of a hybrid cloud environment. Continue Reading
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Tip
08 Nov 2017
Need help making Wi-Fi secure? Consider some 'classic' approaches
Keeping your Wi-Fi secure is a challenge, to say the least. Security hasn't kept up with Wi-Fi advances, but there are steps you can take to keep your Wi-Fi network protected. Continue Reading
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News
03 Nov 2017
What endpoint security systems do companies need?
This week, bloggers look into advances in endpoint security systems, achieving greater functionality with AirCheck G2 and the continued role of the command-line interface in an API era. Continue Reading
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News
13 Oct 2017
Cybersecurity evolution brings shifts for network security
Bloggers explore cybersecurity evolution and its impact on network security, new network fabrics from Extreme and take a deep dive on routing protocols, such as BFD. Continue Reading
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News
20 Sep 2017
Aruba launches 360 Secure Fabric user behavioral analytics system
Artificial intelligence and machine learning are key components of the newly launched Aruba 360 Secure Fabric user behavioral analytics security software. Continue Reading
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News
07 Sep 2017
VMware network security improves with AppDefense launch
Bloggers examine AppDefense -- a new VMware network security offering -- and look into synchronizing BGP and OSPF, as well as the capabilities of new Savvius analytics. Continue Reading
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News
30 Aug 2017
VeloCloud's SD-WAN security program adds more partners
VeloCloud introduced new members to its SD-WAN security program, while Canonical Ltd. and SnapRoute combine technologies to develop an integrated white box switching stack. Continue Reading
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Feature
25 Aug 2017
Learn what network access control systems can do for you
Network access control systems keep rogue or compromised devices off of corporate networks. See how they work and the other security technologies with which they work. Continue Reading
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News
18 Aug 2017
WatchGuard launches new firewall appliances, 5G focus of MWC
Bloggers examine WatchGuard firewall appliances, explore transparency as a vendor virtue and assess the role of 5G in future SD-WAN deployments. Continue Reading
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News
28 Jul 2017
2017 cybersecurity trends at the Black Hat conference
This week, bloggers look into 2017 cybersecurity trends leading up to the Black Hat conference, Movidius deep learning and Mist's approach to WLAN. Continue Reading
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News
27 Jun 2017
Cisco and Apple alliance deepens, targets security and Wi-Fi projects
With Cisco's Ericsson partnership on hold for now, the Cisco and Apple CEOs hinted at joint work on Wi-Fi and security at Cisco annual customer conference. Continue Reading
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Answer
08 Jun 2017
How to cut false security, malware alerts in hybrid cloud
The bad news: IT teams are deluged by false security and malware alerts with their hybrid clouds. The good news: New tools are here to help. Continue Reading
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News
11 Apr 2017
VeloCloud introduces SD-WAN security partnership program
VeloCloud introduced a partner program that lets security vendor partners develop integrated SD-WAN security services. Current partners include Fortinet, IBM Security and Check Point. Continue Reading
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News
28 Mar 2017
Session stickiness in the race for load-balancer performance
This week, bloggers look into load-balancer performance, congressional changes to ISP rules and software-defined perimeters. Continue Reading
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News
15 Mar 2017
Assessing the Google Cloud security strategy
This week, bloggers assess the Google Cloud security strategy, Cisco's lessons from OpenStack and Arista's new containerized network operating system. Continue Reading
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News
09 Mar 2017
New York cybersecurity regulations could have big impact nationwide
This week, bloggers assess the effect of New York cybersecurity regulations, whether the network edge will grow in importance and how customers create complexity. Continue Reading
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Tip
09 Feb 2017
Cloud security tips to consider when mulling external data centers
The old security rules don't apply when moving workloads to the cloud. These cloud security tips will help you make the right decision. Continue Reading
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News
05 Jan 2017
Looking at cybersecurity initiatives in 2016 and 2017
This week, bloggers explore cybersecurity initiatives, Google Compute Engine and new Versa SD-WAN options. Continue Reading
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News
11 Nov 2016
President-elect silent on federal cybersecurity policies
This week, bloggers look ahead to the new administration's cybersecurity policies, how to close gaps in app delivery management and the best way to optimize data centers. Continue Reading
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News
26 Oct 2016
Why one Gartner analyst is 'not sorry' about DDoS attack program
This week, bloggers look into the DDoS attack program that leveraged IoT devices, Webscale's cloud-resource-allocation platform and alternative views of digital transformation. Continue Reading
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News
24 Aug 2016
IT professionals aim to operationalize threat intel in the enterprise
This week, networking bloggers look into operationalizing threat intel, Google Fiber's deployment and home lab spending. Continue Reading
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News
11 Jul 2016
Cisco lifts branch security with latest software release
Cisco introduced at its Live conference branch security software for the ISR router. The networking company also improved malware protection in the Meraki MX appliance. Continue Reading
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News
30 Jun 2016
CloudLock to make Cisco security portfolio better at cloud security
Cisco spends $293 million on technology that secures mobile users' access to the cloud. It's the latest addition to the Cisco security portfolio. Continue Reading
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News
29 Jun 2016
Using microsegmentation to create a secure communication channel
This week, bloggers look at a startup using microsegmentation to create a secure communication channel, FireEye and customized managed network services. Continue Reading
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News
02 Jun 2016
SS8 takes new approach to cyberthreat intelligence
SS8 launches BreachDetect, a Layer 7 'time machine' for breach detection in enterprises and a new addition to the cyberthreat intelligence marketplace. Continue Reading
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News
26 Apr 2016
Juniper provides container firewall to banks, cloud
Juniper Networks has added a container firewall to its SRX portfolio. The latest product provides container protection for banks, carriers and cloud providers. Continue Reading
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News
29 Feb 2016
Versa Networks updates software-defined security offerings
Versa Networks says new security features will help providers create safer branch networks; SDN could make medical devices more secure; and Aryaka claimed two SDN-related patents. Continue Reading
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News
14 Jan 2016
Patch offered for breach in Juniper firewalls
This week, a patch becomes available for Juniper firewalls, analysts parse IT employment statistics for 2015 and Aruba deploys 802.11ac for the U.S. Army. Continue Reading
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Buyer's Guide
15 Dec 2015
Network security basics: A Buyer's Guide
Getting network security basics right is critical. This SearchNetworking Buyer's Guide helps you purchase the best products for your enterprise. Continue Reading
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Feature
16 Nov 2015
Blue Coat ProxySG: Secure Web gateway overview
With features like authentication and Web filtering, the Blue Coat ProxySG secure Web gateway can be deployed as a physical appliance, a virtual machine or a cloud-based service. Continue Reading
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Feature
09 Nov 2015
Palo Alto WildFire: Malware sandbox product overview
Tightly integrated with existing Palo Alto next-generation firewalls, the Palo Alto WildFire cloud-based malware sandbox service supports both public and private cloud deployments. Continue Reading
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Answer
06 Oct 2015
How can enterprises manage the cybersecurity skills gap?
Due to the demand for professionals with backgrounds in both computer science and networking, filling cybersecurity jobs is difficult. Technology will have to play a bigger role. Continue Reading
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News
09 Sep 2015
Security in SDN effort puts Fortinet in limelight
Fortinet introduces a framework for security in SDN, as startups attract market spotlight. Continue Reading
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Tip
21 Aug 2015
OPM hack two months later: What was learned?
Network security expert Michele Chubirka shares her thoughts about June's OPM hack and what steps IT should take to fend off future attacks. Continue Reading
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Feature
04 Aug 2015
Facing network breach threats, visibility is key
In this Q&A, an IT pro at Penn Mutual shares how his dual strategy of user education and Layer 7 visibility helps prevent network breaches. Continue Reading
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Tip
10 Jul 2014
How to buy: Assessing next-gen firewalls
Is there a next-gen firewall in your future? Our How to Buy guide offers advice you need to ensure you purchase the best platform to meet your needs. Continue Reading
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News
23 Sep 2010
Next-generation firewalls not ready to replace all legacy firewalls
Application-aware firewalls enhance network security by offering deeper visibility, but enterprises will hang on to old-style firewalls. Continue Reading
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News
16 Sep 2010
Networking vendors aim to improve server virtualization security
Server virtualization security is no longer guaranteed by creating physical security zones for different classes of virtual machines on host servers. Networking and network security vendors are introducing virtual security products that apply security controls and policies directly to virtual machines within virtual hosts. Continue Reading
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Feature
14 Feb 2005
Most popular viruses and hacking tools
Here are 2004's most popular hacker tools, viruses, remote tools, adware, spyware, Trojans and worms. Continue Reading
- Answer 08 Sep 2003
