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IDG Contributor Network: Security serves as an essential component to growing an enterprise with SD-WAN

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As enterprises endeavor to expand domestic and global footprints, agile network infrastructure connectivity across geographies continues to prove an ongoing challenge. In particular, ensuring that data shared over these networks is protected from unauthorized access is a primary directive in today’s evolving cyber threat landscape. These often-contradictory demands call for IT decision makers to invest […]

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What is Nmap? Why you need this network mapper

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Network administrators, IT managers and security professionals face a never-ending battle, constantly checking on what exactly is running on their networks and the vulnerabilities that lurk within. While there is a wealth of monitoring utilities available for network mapping and security auditing, nothing beats Nmap’s combination of versatility and usability, making it the widely acknowledged […]

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How to protect your infrastructure from DNS cache poisoning

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Domain Name System (DNS) is our root of trust and is one of the most critical components of the internet. It is a mission-critical service because if it goes down, a business’s web presence goes down. DNS is a virtual database of names and numbers. It serves as the backbone for other services critical to […]

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The rise of next-generation network packet brokers

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Network packet brokers (NPB) have played a key role in helping organizations manage their management and security tools. The tool space has exploded, and there is literally a tool for almost everything. Cybersecurity, probes, network performance management, forensics, application performance, and other tools have become highly specialized, causing companies to experience something called “tool sprawl” […]

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Cisco pays cool $2.3 billion for hot security company Duo

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Cisco today laid out $2.35 billion in cash and stock for network- identity, authentication and security company Duo. According to Cisco, Duo helps protect organizations against cyber breaches through the company’s cloud-based software that verifies the identity of users and the health of their devices before granting access to applications with the idea of preventing […]

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REVIEW: Best VPN routers for small business

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When selecting VPN routers, small businesses want ones that support the VPN protocols they desire as well as ones that fit their budgets, are easy to use and have good documentation. We looked at five different models from five different vendors: Cisco, D-Link, and DrayTek, Mikrotik and ZyXEL. Our evaluation called for setting up each […]

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What are the options for securing SD-WAN?

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A key component of SD-WAN is its ability to secure unreliable Internet links and identify anomalous traffic flows. SD-WAN technology providers are continuing to increase their native security features and to create robust ecosystems of network-security partners. [ See where SDN is going and learn the difference between SDN and NFV. | Get regularly scheduled […]

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10 competitors Cisco just can’t kill off

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Huawei is a 31-year old company that has been competing very successfully against Cisco – especially outside the U.S. – in telecommunications and enterprise networking. In fact, by some analysts’ accounts Cisco and Huawei are the two companies battling it out over the Ethernet-switching world these days. IDC says Cisco’s Ethernet switching share rose about 7 […]