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What is Transport Layer Security (TLS)?

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Despite the goal of keeping Web communications private, flaws in the design and implementation of Transport Layer Security have led to breaches, but the latest version – TLS 1.3 – is an overhaul that strengthens and streamlines the crypto protocol. What is TLS? TLS is a cryptographic protocol that provides end-to-end communications security over networks […]

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The best enterprise level firewalls: Rating 10 top products

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You know you need to protect your company from unauthorized or unwanted access. You need a network security tool that examines the flow of data packets in and out of the enterprise, governed by rules that decide whether that flow is safe, malicious or questionable and in need of inspection. You need a firewall. Recognizing […]

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Cisco sets $2.3B deal for unified access, multi-factor authentication security firm Duo

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Cisco said today it had closed the $2.35 billion deal it made for network identity, authentication security company Duo. According to Cisco, Duo’s zero trust security model authorizes secure connections to all applications based on the trustworthiness of users and devices. Duo’s cloud-delivered technology lets IT professionals set and enforce risk-based, adaptive access policies and […]

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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 […]