Telecom’s 5G future

Enterprise Mobility

Article | June 15, 2023

Cybercrimes have increasingly become a matter of concern for companies worldwide. Over the past few years, the rise of big-ticket ransomware attacks and exposure of perilous software supply chain infections has awakened organizations to various digital dangers. So, the big question is, how to combat the security threats that are on meteoric growth? The best solution is to adopt a security vulnerability assessment. What is Security Vulnerability Assessment? A vulnerability assessment involves a systematic review of security hazards, which helps identify IT infrastructure’s weaknesses, risks, and vulnerabilities. When it comes to mitigating vulnerabilities and resolving issues, the collective imperative is to analyze the problem areas before getting them fixed. A security assessment is critically important to combat the complexities and with an effective vulnerability assessment program, organizations use the tools required to comprehend the probable security weaknesses and enable the protection of systems and data from intruders and unauthorized breaches. For most organizations, ensuring the safety of devices, networks, applications, and digital assets are part of a broader vulnerability management strategy. It includes an extensive assessment, in-depth processes, and mitigation methods to explore the entire threat spectrum. Typically, it is conducted regularly. Vulnerability assessment offers a firm assurance in the security of data, especially when some alterations have been implemented or a new service has been added, or, for that matter, and installation of new equipment has taken place. Each assessment provides a perspective about the risk in its periphery and suggests solutions to control the risk factors and the evolving threats. Why Security Vulnerability Assessment Is Necessary? The perpetual threat of cybercrime has necessitated the demand for vulnerability assessments significantly. They make organizations realize their security defects and contribute towards mitigating them. Hackers are forever ready to make phishing attacks. As per reports, hackers are at work every 39 seconds. Thus, it is extremely important to be vigilant or complacent to activate hackers’ and cybercriminals’ machinations. Over the period, cybercrimes are fluctuating and thus need ongoing attention. The ideal solution is to undertake consistent vulnerability assessments to safeguard confidential data, systems, and networks. Furthermore, it helps organizations understand the risk and enables smart decision-making. To ensure security, companies ought to conduct both external and internal scans of their networks. According to Gartner (paywall), “Large organizations with thousands of employees, tens of thousands of servers and many operating systems receive hundreds of requests per year to patch thousands of vulnerabilities that cannot be remediated in less than 15 days.” One of the best reasons security vulnerability assessments are important is because it confirms an enterprise’s management processes and whether it has covered every critical patch through outlined existing remediation. Why Do Companies Need Vulnerability Assessment? A vulnerability assessment provides companies insightful details on all types of security discrepancies in their environment. It paves ways to evaluate the risks associated with the flaws. This helps organizations have a better knowledge of their security scare, overall weaknesses, and assets. Moreover, the first thing that strikes us on hearing about a cyber-attack is the security of data. With the right and adequate implementation of security assessments, the safety and security of important data could be easily protected. A security assessment would be helpful to reduce irrelevant expenses and make space and increase the IT budget to invest in other key aspects. Undoubtedly, data breach causes substantial loss to an organization, which leads to legal hassles and financial hazards. In fact, most of the time companies fail to recover the loss. Thus, it doesn’t harm to place solid policies and methods to strengthen the entire security position of the organization and this can only be possible with a strategic security vulnerability assessment. In a nutshell, this would keep the companies aware and, in all likelihood, keep the cyber-criminals at bay. A CASE STUDY ANALYSIS To cite an example, let’s take how Zensar conducted a three-pronged vulnerability assessment with port scan and penetration scanning. It determined the security of its offerings to meet customer requests for Brainshark, a leading provider of on-demand presentation solutions, helping customers deliver business interaction across 600+ ranking companies in the market. While Brainshark knew their systems were secure and could also establish it through their documentation, they still undertook a third-party security vulnerability assessment. Zensar’s vulnerability assessment procedures were based on the industry’s best practices that included tests for SQL injection, cookie manipulation, access control weakness, session state, and cross-site scripting. The focus of the test was to identify the host and application security concerns. Upon completing the tests and assessments, Brainshark expressed satisfaction and was confident enough in their ability and solution. They knew their security posture was highly protected and secure. Types of Vulnerability Assessments: Vulnerability assessments unearth a variety of system and network vulnerabilities. This indicates the reliability of the assessment process, which is implemented with different tools, scanners, and methods that helps discover the vulnerabilities, risks, and threats. Network-based assessment scanning: It is used to determine the presumptive network security attacks. This kind of scanning can also detect the vulnerable systems on wired as well as wireless networks. Host-based scans: It is easy to locate the vulnerabilities in servers or other network hosts with host-based scanning. This type of scanning provides visibility into the configuration settings and legacy systems. Database scans: Database scans ascertain the weak points in a database to preclude malefic attacks. Application Scans: It examines websites to identify and recognize software vulnerabilities and inaccurate configurations in network or web applications. Summing Up Organizations need to be watchful every minute and ensure the security posture is rigorous, which is only possible with security vulnerability assessments. Based on this criterion, understanding company risks gets simplified in turn preventing intrusions and threats. FREQUENTLY ASKED QUESTIONS What Are the Advantages of Security Vulnerability Assessment? There are several advantages attached to security vulnerability assessments. To put it precisely, it can help identify the vulnerabilities before cybercriminals do and determine the level of risk. Undoubtedly, opting for vulnerability assessment would save a lot of time and money and mitigate the risk and prevent the irrelevant expenditure that follows after the cyber-attacks. What Are the Disadvantages of Security Vulnerability Assessment? While vulnerability assessments are highly advisable, it has its share of drawbacks which cannot be ignored. One of the primary limitations of vulnerability assessment is that it does not hint at every vulnerability that exists. Moreover, it sometimes signals false positives too. { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [{ "@type": "Question", "name": "What Are the Advantages of Security Vulnerability Assessment?", "acceptedAnswer": { "@type": "Answer", "text": "There are several advantages attached to security vulnerability assessments. To put it precisely, it can help identify the vulnerabilities before cybercriminals do and determine the level of risk. 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Enterprise Mobility, Mobile Infrastructure

Article | June 16, 2023

Wi-Fi and the Internet have become an indispensable part of our daily lives. Because of the importance and convenience of a business Wi-Fi network, it is now a must-have service for most businesses. Unfortunately, numerous small-to-medium-sized businesses lack the resources and cyber skills required to appropriately secure their networks. This can be a major issue because an unsecured network exposes the company to attacks from hackers looking to steal valuable company information or customer data. How Can Businesses and IT Leaders Strengthen Their Wi-Fi Security? A data breach can cripple your business. It not only undermines consumer trust, but data breaches cost an average of $4.24 million. Fortunately, improving your Wi-Fi security is not difficult. To safeguard your company's wireless Internet connection, follow the steps outlined below. Use Up-To-Date Wi-Fi Encryption You should upgrade your hardware if it can only support WEP or WPA encryption. The Wi-Fi Alliance strongly encourages the widespread use of WPA2. Cutting-edge encryption has been demonstrated to be protected against even the most persistent attackers when correctly implemented. If you run an enterprise environment, you should take advantage of the extra security provided by specific digital certificates. Encrypt Wi-Fi Router Administration Pages Taking your Wi-Fi security a step further needs the use of a Wi-Fi digital certificate to secure your admin login pages. Self-signed certificates that come pre-installed on a few routers are untrusted, easy to copy, and prone to Man-In-The-Middle (MITM) attacks. TLS certificates from reputable certificate authorities can ensure that all of your Wi-Fi connectivity is safe and confidential. If your router's quick start guide does not contain digital certificates, you can obtain information on the manufacturer's support page. Consider Restricting MAC addresses Smaller network managers can lock down MAC addresses for more control. Wireless routers and access points use MAC (Media Access Control) address filtering to block attacks. Every WiFi-enabled device has a unique MAC or physical address and a list of connected devices. You can manually enter addresses to define network access, but hackers can fake MAC addresses. Use Always-On SSL You must utilize HTTPS across your website and apply it to Wi-Fi. Accessing an account on an encrypted page and subsequently interacting with the site through unencrypted pages exposes the user to session-side jacking. Create a Guest AP with Tighter Security Not all businesses must enable guests or customers to connect to their networks, but some companies do offer guests access by providing them with guest login credentials. If your company falls into this category, set up a dedicated guest AP that is isolated from the rest of the company network. You can set up a second AP on your router and utilize a firewall to limit access from that AP to certain services that you want your visitors to be able to access. Closing Lines Nowadays, having an internet connection is critical for organizations, as is keeping it secure from hackers. Moreover, when conducting business, it is crucial to keep critical information and customer data secure. Otherwise, you risk compromising your company's image. So, if you want to maintain your Wi-Fi network security and keep your business working effectively, you must adhere to a few fundamental principles. Finally, you are on the path to make your Wi-Fi network safer and more robust by following all of these techniques at once or step by step.

Network Management, Network Security

Article | July 17, 2023

Discover key network performance metrics to enhance user experience. Explore in-depth latency, throughput, jitter, packet loss, VOIP quality, and MOS score to optimize network performance analysis. Contents 1. Importance of Network Performance Metrics for Performance Analysis 2. Critical Key Network Performance Metrics to Monitor 2.1 Latency 2.2 Throughput 2.3 Jitter 2.4 Packet Loss 2.5 VOIP Qualiy 2.6 MOS Score 3. Steps to Monitor and Measure Network Performance 4. Significance of Monitoring Metrics in Network Troubleshooting 4.1 Provides Network Visibility 4.2 Prevents Network Downtime 4.3 Observe Bandwidth Usage 5. Overcome Monitoring Challenges in Network Performance Metrics 6. Key Takeaway 1. Importance of Network Performance Metrics for Performance Analysis Network performance involves analyzing and evaluating network statistics to determine the quality of services provided by the underlying computer network. Considering various key network metrics, it is primarily measured from the end-users’ perspective. Measuring these metrics, analyzing performance data over time, and understanding the impact on the end-user experience is essential to assess network performance. Measuring network performance requires considering factors such as the location and timing of measurements. For instance, network performance may differ when comparing paths between cities or during periods of varying user demands throughout the day. Therefore, a comprehensive approach to monitoring network performance involves identifying these variables and identifying areas for improvement. Network performance metrics offer valuable insights into any network infrastructure and services. These metrics provide real-time information on potential issues, outages, and errors, allowing one to allocate IT resources efficiently. Understanding end-user demands can create an adaptive network to meet future business needs. However, comprehensive monitoring requires an advanced network monitoring tool to gather, analyze, and interpret data effectively, optimizing network performance. Leveraging relevant metrics can improve network performance, help make informed decisions, enhance network reliability, and deliver a superior user experience. 2. Critical Key Network Performance Metrics to Monitor 2.1 Latency Latency, or network delay, is a crucial performance metric in network monitoring and management. It quantifies the time required to transmit data between destinations. Factors like packet queuing and fiber optic cabling affect network latency. Consistent delays or sudden spikes in latency indicate significant network performance issues. Monitoring and minimizing latency are essential for ensuring optimal network performance. By actively tracking latency, organizations identify and address issues that may cause delays in data transmission, thereby improving overall network responsiveness and minimizing disruptions for end-users. 2.2 Throughput Throughput metrics for network monitoring enable measurement of the data transmission rate across various network segments. Unlike bandwidth, which represents the theoretical data transfer limit, throughput reflects the successful delivery of data packets to their destination. Variations in throughput can occur across different network areas. A low throughput indicates the presence of dropped packets requiring retransmission, and highlights potential performance issues that need attention. Monitoring throughput is crucial for effective network management. By monitoring this performance metric, organizations can gain insights into the actual data transmission rate, ensuring that it aligns with expected levels. 2.3 Jitter Jitter, a key performance metric in network monitoring, refers to the variation in delay between packets, measured as the difference between expected and actual arrival times. It results due to network congestion, routing issues, or other factors, leading to packet loss and degraded application performance. Jitter disrupts the standard sequencing of data packets and can arise due to network congestion or route changes. Monitoring jitter is crucial for identifying and addressing network stability issues and ensuring reliable data transmission. By actively monitoring this performance metric, organizations can address variations in packet delay, mitigating issues that leads to packet loss and enabling proactive troubleshooting. 2.4 Packet Loss Packet loss, a performance management network monitoring metric, represents the number of data packets lost during transmission. It directly affects end-user services, leading to unfulfilled data requests and potential disruptions. Packet loss can arise from various factors, including software problems, network congestion, or router performance issues. Monitoring the entire process precisely to detect and address packet loss, ensures reliable data transmission and optimal network performance. Monitoring packet loss with the right network monitoring software enables timely troubleshooting and optimization of network infrastructure, ultimately enhancing overall network reliability and performance. 2.5 VOIP Quality VoIP (Voice over Internet Protocol) quality is a crucial network performance metric. It refers to the overall performance of a VoIP system in delivering clear and reliable voice communications over the Internet, replacing traditional phone lines. Factors influencing VoIP quality include network bandwidth, latency, packet loss, jitter, and the quality of end-user devices. Monitoring VoIP quality ensures optimal system functionality and high-quality voice communications. Key performance indicators (KPIs) such as mean opinion score (MOS), jitter, latency, packet loss, and call completion rates are utilized to assess and optimize VoIP quality. 2.6 MOS Score Mean opinion score (MOS) is a vital performance metric in network monitoring, rating the perceived quality of a voice call on a scale of 1 to 5. It is a standardized measurement developed by the ITU, an international agency focused on enhancing communication networks. Initially designed for traditional voice calls, the MOS has been adapted to evaluate Voice over IP (VoIP) calls. The MOS score considers various factors, including the specific codec employed for the VoIP call, providing a comprehensive assessment of voice calls quality in network monitoring. 3. Steps to Monitor and Measure Network Performance Step 1: Deploy a Software for Network Monitoring To effectively measure network performance, deploying dedicated network monitoring software is crucial. While temporary tools like traceroutes and pings can provide insights into ongoing problems, they are insufficient for troubleshooting intermittent network issues. Relying on periodic tools for intermittent issues is reliant on chance, as it may only detect problems when they occur during tool usage. By implementing comprehensive network monitoring software, one can proactively monitor and analyze network metrics, historical data, and performance, allowing for timely detection and resolution of both ongoing and intermittent network issues. Step 2: Distribute Monitoring Agents For comprehensive network performance measurement, businesses must distribute monitoring agents strategically across key network locations. These specialized software agents continuously monitor network performance using synthetic traffic, simulating and assessing the end-user perspective. By distributing Monitoring Agents, organizations can: • Measure key network metrics, including jitter, packet loss, and throughput. • Identify and troubleshoot intermittent network issues that are challenging to pinpoint. • Receive alerts regarding any performance degradation, ensuring a timely response. • Collect valuable data for in-depth troubleshooting and analysis, facilitating proactive network management and optimization. Step 3: Measure Network Metrics After deploying the monitoring agents, they continuously exchange synthetic User Datagram Protocol (UDP) traffic, forming a network monitoring session. During this session, the agents measure network performance by evaluating key metrics and conducting network traffic analysis. The metrics used in the analysis include specific parameters, and the results of these measurements are presented in a network response time graph, providing a visual representation of the network's performance characteristics. Monitoring and analyzing these metrics enable organizations to gain valuable insights into network performance, facilitating informed decision-making and convenient network performance troubleshooting. 4. Significance of Monitoring Metrics in Network Troubleshooting 4.1 Provide Network Visibility Monitoring metrics plays a vital role in network troubleshooting by offering network visibility. They enable the identification of performance bottlenecks, configuration problems, and security vulnerabilities that detrimentally affects network performance. These issues can be addressed through targeted troubleshooting efforts, resulting in improved network performance and enhanced end-user experience. Organizations identify and resolve network issues by monitoring metrics, ensuring optimal network functionality and overall business productivity. 4.2 Prevent Network Downtime Effective monitoring metrics are instrumental in preventing network downtime, a costly concern for businesses. Swift identification and resolution of network issues through proactive network performance troubleshooting help minimize downtime, ensuring uninterrupted business operations. By promptly addressing potential problems, network troubleshooting safeguards against lost productivity, revenue, and customer dissatisfaction. Maintaining a proactive approach to monitoring and resolving network issues to enhance network reliability and business continuity. 4.3 Observe Bandwidth Usage Monitoring metrics are essential in network troubleshooting as they enable the observation of bandwidth usage. This allows organizations to detect abnormal or excessive utilization, pinpoint key performance issues and ensure optimal resource allocation. It allows for identifying critical bandwidth-hogging applications or network intrusions, helping experts take immediate action to mitigate risks, safeguard data, and protect the overall network integrity. Additionally, experts can optimize network performance and ensure a seamless user experience for organizations relying on efficient network infrastructure. 5. Overcome Monitoring Challenges in Network Performance Metrics Enterprises seeking to ensure optimal network performance and improve overall business operations must overcome network monitoring obstacles. Effectively monitoring, tracking, and improving network performance requires a strategic combination of skilled personnel, advanced technologies, and well-defined strategies. Failing to address these requirements results in various challenges that hinder the ability to enhance network performance effectively. The challenges that businesses often encounter include managing scalability, handling massive data volumes, achieving real-time monitoring, dealing with multi-vendor environments, addressing network security and privacy concerns, and adapting to evolving network demands. Each obstacle presents unique complexities that require tailored approaches and expert insights. To overcome these challenges, enterprises must invest in comprehensive monitoring tools capable of handling the scalability demands of growing networks. These tools should provide real-time network visibility, robust analytics capabilities, and intelligent data filtering mechanisms to extract meaningful insights from vast network data. Establishing clear monitoring objectives aligned with business goals and defining key performance indicators (KPIs) are essential in effectively addressing network performance challenges. 6. Key Takeaway Monitoring network performance metrics is crucial for assessing the quality of services a computer network provides from an end-user perspective. It involves continuously tracking and analyzing key metrics such as latency, throughput, jitter, packet loss, VOIP quality, and MOS score. Organizations can actively monitor and assess performance, proactively identify intermittent issues, and collect valuable data for in-depth analysis by implementing dedicated network monitoring software and strategically deploying monitoring agents across the network. In addition, it is imperative to emphasize the significance of monitoring metrics in mitigating the potential financial impact of network downtime, enhancing the utilization of available bandwidth resources, and efficiently tackling the complexities inherent in scaling operations, real-time monitoring, diverse vendor ecosystems, security concerns, and the ever-evolving requirements of modern networks.

Article | May 8, 2022

For communications service providers, questions still loom over how 5G will be monetized. Many have voiced the view that the enterprise segment is where 5G will make its money, with potential use cases across a breadth of verticals including the automotive, manufacturing and utilities industries to name a few. However, if service providers focus more on delivering 5G business use cases to small and midsized enterprises (SMEs), this market segment could prove to be a fruitful source of revenue. As 5G deployments continue to roll-out globally, CSPs are focused on deriving value from projects and partnerships with large multinational enterprises. And they are eager to do so quickly to assure payback from their $1trillion investments in the next generation network. However, are CSPs blinkered in their approach to generating ROI from 5G? Are they limiting themselves by focusing too much on a small segment of the enterprise market, that to date has limited CSPs' involvement in early 5G projects, reducing them to mere providers of connectivity?