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2022
Portnox unveils first cloud-native TACACS+ solution for AAA services.
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- As change swirls around our digital lives, from the rise of AI to the proliferation of IoT (Internet of Things) devices to the never-ending tales of new and creative data breaches, the advantages of having a cloud-native NAC (Network Access Control) solution are of paramount importance to any organization’s success. Suffering a data breach has far-reaching consequences – from tangible losses like diminished sales, ransom payouts, and hours spent rebuilding compromised systems, to more nebulous issues like loss of customer confidence, demolished roadmaps, and burnout from employees struggling to keep things afloat. NAC has long been a stalwart of network security, but despite efforts to rebrand (zero trust! SASE! SDP!) traditional offerings like Aruba Clearpass, Cisco ISE, Fortinet FortiNAC, and other on-premises solutions have left administrators struggling with complex deployments, changing licensing agreements, difficulties meeting growing business needs, and the dreaded after-hours weekend patches and maintenance. Thankfully, Portnox has combined network access control with the innovation of a cloud-native platform; the advantages of a cloud-native NAC make it possible to get all the amazing access control benefits without the typical drudgery that was previously a heavy price to pay for security. Simplified Deployment and Management Deploying a network security solution can often feel like a herculean task fraught with complex configurations and the potential for time-consuming setbacks. This is particularly true for organizations leveraging legacy NAC solutions, which are synonymous with intricate setup procedures and protracted deployment timelines. Such complexities not only heighten the operational burden but also elevate the risk of errors, which can compromise network security. Enter Portnox Cloud, a paragon of efficiency in the realm of network access control. Distinctly designed for simplicity, Portnox Cloud eradicates the barriers typically associated with the deployment and management of network access control. Unlike its traditional counterparts, this cloud-based solution eschews the need for specialized knowledge or extensive training, embodying a simplified deployment that is refreshingly straightforward. Organizations can activate Portnox Cloud swiftly, often within mere minutes, sidestepping the elaborate and cumbersome installation processes that legacy systems demand. This expedited deployment not only accelerates the path to robust network security but also significantly reduces the administrative load on IT teams. They’re liberated from the intricate web of configurations and architecture, able to focus instead on strategic initiatives that propel the organization forward. Moreover, the intuitive nature of Portnox Cloud’s management interface further streamlines ongoing operations. IT administrators find themselves equipped with a user-friendly platform that demystifies network security management, making it accessible to a broader range of personnel and ensuring that maintaining a secure network environment is no longer a formidable task. Scalability and Flexibility The digital terrain of modern enterprises is ever-changing, necessitating network security solutions that not only grow with the organization but also seamlessly adapt to new business directives and technological innovations. Legacy NAC systems often lag in these critical areas, tethered by their reliance on physical infrastructure. Virtualized solutions are an improvement, but they still require planning and time to scale up or down. Portnox Cloud emerges as a beacon of adaptability in this regard, providing an agile framework that aligns with the dynamic needs of every organization. Its cloud-native architecture ensures that as an organization expands—whether through geographical spread, innovation of services, or an increase in remote workforce—Portnox Cloud easily scales in tandem. This scalability liberates enterprises from the constraints of traditional hardware-dependent models, which can become obsolete or require costly upgrades to meet expanding network demands. The flexibility of Portnox Cloud extends to its operational capabilities as well; it empowers organizations to swiftly adjust security protocols, add or remove access controls, and integrate with new systems without the procedural and technical rigidity often seen in legacy NAC solutions. Moreover, this scalability and flexibility do not compromise security or performance. On the contrary, they enhance it by ensuring that security measures evolve in lockstep with the organization’s growth and changing landscapes. This ensures that security postures are not only maintained but strengthened, even in the face of rapid organizational changes or sudden shifts in the global business environment, making Portnox Cloud an ideal partner for enterprises aiming to thrive in a fluid digital world. Enhanced Security Measures Beyond Legacy NAC Capabilities Unlike legacy NAC systems, which primarily focus on network access control, Portnox Cloud extends its protective measures to encompass more nuanced and sophisticated security needs. It integrates seamlessly with the latest in cybersecurity technologies, from a SIEM (Security Information and Event Management) solution to an MDM (Mobile Device Management) and beyond. These features ensure that networks are not only shielded from unauthorized access but are also resilient against the lateral movement of threats within them, an area often overlooked by traditional NAC solutions. Portnox Cloud sets a new benchmark in network security by introducing an array of advanced features designed to address the complexities of modern cyber threats. With IoT Device Trust, Portnox accurately fingerprints devices on the network – preventing unauthorized IoT devices from acting as potential entry points. Along with fingerprinting, Secure MAB (MAC Authentication Bypass) makes Mac address bypass spoof-proof. Any device that suddenly changes its fingerprint will send an alert, and it can be automatically kicked off the network. Portnox also introduced Conditional Access for Applications, which extends the access control vital to keeping networks safe to cloud-based and on-prem applications. Implementing Conditional Access with Passwordless Authentication enhances the security posture across all of your most critical assets. Real-time Compliance and Access Control Across All Devices The best security policies in the world are meaningless if you have no way to enforce them. Legacy NAC solutions often stumble when it comes to offering the depth of visibility and the immediacy of control that today’s fast-paced, device-diverse environments demand. This gap in capabilities can leave networks exposed to unnecessary risks, from unmanaged devices slipping through the cracks to delays in responding to emerging threats. Portnox Cloud, on the other hand, excels in providing comprehensive, real-time enforcement of security policies for every device with a powerful risk policy engine. You can define detailed criteria for devices to successfully connect – from passcodes on smartphones to Windows registry keys to drive encryption on Macs to unauthorized peripherals on Linux. Even better, rather than just the deny/allow/quarantine of traditional NACs, Portnox has a host of automated remediation options that can bring devices into compliance with no IT or user intervention required. Actions like starting services or updating anti-virus can save time and frustration for everyone. While NAC has been a security stalwart for good reasons, the advantages of cloud-native NAC solutions represent a significant leap forward in innovation and efficiency, offering unmatched scalability, real-time security management, and seamless integration across diverse IT environments. Portnox’s cloud-based NAC emerges as the clear choice over legacy systems for businesses seeking a modern, efficient, cost-effective solution to safeguard their digital assets. Advantages of Cloud-Native NAC At-A-Glance Read more...
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- Understanding the Bedrock of Zero Trust Security The foundation of Zero Trust Security is built upon a transformative principle: trust no one, verify everything. This paradigm shift compels organizations to reevaluate their security posture, transitioning from a traditional, perimeter-based defense to a more dynamic, identity-centric approach. At its core, Zero Trust mandates a rigorous, continuous assessment of all access requests, irrespective of their origin. This means every user, device, and network connection is treated with a degree of skepticism, necessitating verification before access to resources is granted. Integral to enforcing this stringent verification process is User Account Control (UAC), which embodies the essence of Zero Trust by facilitating rigorous scrutiny of user credentials and device compliance. By leveraging UAC, organizations can meticulously manage who gets access to what, and under what circumstances, ensuring that every access request aligns with the organization’s security policies. It’s a critical step in minimizing potential attack vectors and thwarting unauthorized access attempts. Implementing Zero Trust requires a profound understanding of the complex interplay between users, devices, and network resources. It involves dissecting and analyzing the multitude of ways through which data can be accessed and ensuring that stringent controls are in place to monitor and manage these access pathways. User Account Control is instrumental in this process, serving not just as a barrier, but as a sophisticated filter that adapts to the evolving needs of an organization’s security landscape. The transition to a Zero Trust architecture is not merely a technological upgrade, but a fundamental rethinking of organizational security philosophy. It demands a holistic view of security, where User Account Control is not just a feature, but a cornerstone in the relentless pursuit of a more secure, resilient digital environment. The Strategic Imperative of User Account Control User Account Control stands at the forefront of cybersecurity defenses, acting as a vigilant guardian within the Zero Trust framework. Its role in enforcing the principle of least privilege is not merely a procedural step; it is a strategic imperative that profoundly shapes an organization’s security architecture. By meticulously controlling access rights, UAC ensures that users are granted only the necessary permissions required for their specific roles, dramatically reducing the surface area for potential cyber threats. In this light, UAC transcends its functional utility, embodying a critical mechanism for mitigating the risk of unauthorized access and privilege escalation. Its capacity to discern and regulate user activities renders it an indispensable tool in the arsenal against both external threats and insider vulnerabilities. The ability to preemptively halt unauthorized actions before they manifest into security incidents is a testament to the preventative power of UAC within a Zero Trust strategy. However, the significance of User Account Control extends beyond safeguarding against immediate threats. It plays a pivotal role in cultivating a culture of security mindfulness among users. By integrating consent prompts and requiring administrative approval for high-risk operations, UAC serves as a constant reminder of the ongoing vigilance required to maintain organizational security. This not only reinforces the security-first mindset critical to Zero Trust but also fosters an environment where every stakeholder is an active participant in the collective defense against cyber threats. In embracing UAC, organizations are not just implementing a control mechanism; they are embedding a strategic foundation that underpins the successful realization of a Zero Trust security model. Its judicious application and optimization are imperative for any enterprise seeking to fortify its digital fortresses in today’s increasingly hostile cyber landscape. Accelerating Zero Trust Adoption through UAC Optimization To propel Zero Trust adoption forward with vigor, the strategic refinement of User Account Control (UAC) settings is paramount. This quest involves a meticulous calibration of UAC to embody the principles of least privilege and unwavering verification, thus fostering a security environment where access is precisely aligned with an individual’s role and responsibilities. Organizations are tasked with the implementation of role-based access controls that meticulously categorize users and define access parameters, ensuring a tight-knit security fabric that seamlessly integrates with the overarching Zero Trust framework. A critical step in this journey is the enhancement of UAC prompts, designed to necessitate administrator intervention for actions deemed high-risk. Such a measure not only elevates the security threshold but also instills a culture of accountability and mindfulness towards cyber hygiene among users. Additionally, the vigilant monitoring of user activities for anomalies plays a crucial role in this ecosystem, enabling the early detection of potential security incidents and the swift enactment of preventative measures. Optimizing UAC within the Zero Trust paradigm is a dynamic endeavor, requiring constant vigilance and adaptation to the evolving digital threatscape. Zero Trust is a proactive, integrated approach to security.It demands a holistic approach that encompasses not just technological adjustments, but also a shift in organizational culture towards embracing security as a fundamental tenet. The strategic optimization of UAC settings is not an end in itself but a means to achieving a robust, resilient cybersecurity posture that is capable of withstanding the challenges of the modern cyber world. Through this focused optimization, organizations can significantly amplify their Zero Trust adoption, marking a pivotal step in their journey towards a more secure digital future. Navigating the Challenges of User Account Control Implementation Implementing User Account Control within a Zero Trust framework, while paramount for securing digital assets, presents its own set of challenges that require astute navigation. A primary concern is achieving an equilibrium that does not compromise user productivity for security, or vice versa. This balance is delicate and necessitates a nuanced understanding of both user needs and security imperatives. Effectively managing UAC prompts is integral to this balance, ensuring they serve as meaningful checkpoints rather than obstacles to productivity. Moreover, the task of harmonizing UAC with legacy applications poses a significant hurdle. These applications, often critical to business operations, may not have been designed with modern security practices in mind, leading to potential friction points when integrating stringent access controls. Overcoming this challenge requires a strategic blend of technological acuity and innovative problem-solving. It involves engaging in a thorough audit of legacy systems, identifying compatibility issues, and devising bespoke solutions that bridge the gap between old and new security protocols. A collaborative approach is indispensable in this endeavor. It demands engagement across departments, from IT to end-users, ensuring all perspectives are considered in crafting a UAC strategy that aligns with organizational objectives while upholding Zero Trust principles. This collaboration extends to an iterative testing phase, where UAC settings are rigorously evaluated and refined based on real-world feedback and performance data. Continuous monitoring and adjustment of UAC settings underpin the dynamic nature of cybersecurity. As threats evolve, so too must the defenses against them. This ongoing process not only aids in maintaining the delicate balance between security and usability but also ensures that UAC remains a robust, adaptive tool in the Zero Trust arsenal, capable of meeting the cybersecurity challenges of today and tomorrow. The Future of User Account Control in Zero Trust Architectures As the digital realm expands and evolves, the imperative for robust cybersecurity frameworks like Zero Trust becomes more pronounced. In this advancing landscape, User Account Control (UAC) is poised for significant enhancements that promise to redefine its role in securing organizations against increasingly sophisticated cyber threats. The integration of cutting-edge technologies such as behavior-based analytics, machine learning, and automation into UAC systems heralds a new era of cybersecurity defense mechanisms. These technologies are set to empower UAC with unparalleled precision in detecting and responding to anomalous user behavior, effectively automating the verification process in real-time. The advent of machine learning algorithms will enable UAC systems to learn from historical access patterns, thereby improving the accuracy of threat detection and reducing false positives. This level of automation not only streamlines security protocols but also significantly alleviates the administrative burden on IT departments, allowing them to focus on strategic security initiatives. Furthermore, the future of UAC in Zero Trust architectures promises a more personalized security experience. By analyzing user behavior and context, UAC can adjust access controls dynamically, providing a seamless and secure user experience without compromising on security. This adaptive approach ensures that security measures evolve in tandem with user behavior and emerging threats, maintaining a vigilant defense against unauthorized access. In essence, the evolution of UAC technologies is a cornerstone in the journey towards a more resilient and intelligent Zero Trust security model. By leveraging the power of innovation, organizations can look forward to not just defending their digital frontiers but fortifying them against the cybersecurity challenges of tomorrow. Read more...
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- It should come as no surprise that passwords have fallen out of favor as a reliable method of authentication. This is because passwords are often weak (easily guessable), can be forgotten, and password stores become a weak point for security (if an intruder accesses the password store, they hit the motherload). Luckily, there is a better way to reliably authenticate users – certificate-based authentication. What Is Certificate-Based Authentication? Certificate-based authentication is a cryptographic technique that uses a digital certificate to identify a user, device, or machine before granting access to specific resources. Certificate-based authentication isn’t new. It’s widely used by many internet security protocols, including SSL/TLS, a near-universal protocol that encrypts communications between a client and server, typically web browsers and websites or applications. However, certificate-based authentication works slightly differently for SSL/TLS than in other use cases. With SSL/TLS, the server confirms its identity to the client machine, but this happens in reverse for client certificate-based authentication. For example, let’s say a company wants to use certificate-based authentication to grant employees access to its email servers. In this scenario, the company will issue employees with valid certificates to access the email servers, and only employees with these certificates will be granted access. In recent years, certificate-based authentication has risen in popularity as an alternative to password-based authentication, mainly as a way to address the security gaps with usernames and passwords. For example, username/password authentication uses only what the user knows (the password). In contrast, certificate-based authentication adds another layer of security by also using what the user has (the private cryptographic key). With that said, it’s important to note that certificate-based authentication is rarely used as a replacement for usernames and passwords but instead used in conjunction with them. By using both, companies essentially achieve two-factor authentication without requiring any extra effort from the end user (getting out their cell phone to receive a one-time password (OTP), for example). How Does Certificate-Based Authentication Work? Before answering this question, we first have to understand what a digital certificate is. A digital certificate is an electronic password or file that proves the authenticity of a user, server, or device through cryptography and the public key infrastructure (PKI). PKI refers to tools leveraged to create and manage public keys for encryption. It’s built into all web browsers currently in use today, and organizations also use it to secure internal communications and connect devices securely. The digital certificate file contains identifiable information about the certificate holder and a copy of the public key from the certificate holder. This identifiable information can be a user’s name, company, department, and the device’s IP address and serial number. When it comes to the public key, the key needs to be matched to a corresponding private key to verify it’s real. So, how does this work in practice? First, the end user digitally signs a piece of data using their private key. This data and the user’s certificate then travel across the network. The destination server will then compare the signed data (protected with a private key) with the public key contained within the certificate. If the keys match, the server authenticates the user, and they’re free to access network resources. Benefits of Certificate-Based Authentication Digital certificates are widely used by organizations today and for many reasons. Let’s dive into why. Boosted Security Public key cryptography, also known as asymmetric encryption, is considered very secure. This is because all data encrypted with the public key can only be decrypted with the matching private key. So, when two parties communicate, the sender encrypts (scrambles) the data before sending it, and the receiver decrypts (unscrambles) the data after receiving it. The unscrambling can only happen if the keys match. And while in transit, the data remains scrambled and will appear as gibberish to a hacker. Ease of Deployment & Use Certificate-based solutions are easy to deploy and manage. They typically come with a cloud-based management platform that allows administrators to issue certificates to new employees with ease. The same is true for renewing or revoking certificates. Moreover, many solutions integrate with Active Directory, which makes the certificate issuing process even more straightforward. They also don’t require any additional hardware, which isn’t the case for other authentication methods like biometrics or OTP tokens. Lastly, certificate-based solutions are very user-friendly and require minimal end-user involvement. Users don’t have to expend additional effort to get this boosted level of security. This is crucial because adding friction to any security measures tends to frustrate users and can often lead to worse outcomes. We see this happen with passwords where users typically reuse passwords to ease the burden of remembering multiple highly secure phrases. Natively Supported by Many Existing Enterprise Applications Countless enterprise applications and networks natively support X.509 digital certificates – the typical format used in public key certificates. This means enterprises can get up and running with certificate-based authentication with just a few configuration tweaks. Security Flaws of Certificate-Based Authentication No solution is without its drawbacks, and the same is true for certificate-based authentication. It’s much harder to crack a key than a password, but once cracked, the results are the same. If a key is compromised, cybersecurity goes out the window. Essentially, IT can’t distinguish between a hacker and a legitimate employee if the keys match. And this is precisely why certificate-based authentication should be used in coordination with other authentication and cybersecurity measures wherever possible. Second, certificate-based authentication is only as strong as the digital certificate. Or in other words, the stronger the cryptographic algorithms used to create the certificates, the less likely an attacker can compromise them. For this reason, organizations must ensure that the certificate authority is reputable and trustworthy. Final Thoughts on Certificate-Based Authentication Certificate-based authentication can be an excellent addition to any organization’s cybersecurity stack. While it’s not without its drawbacks, the benefits outweigh the challenges. Certificate-based authentication allows only approved users and devices to access your network while keeping unauthorized users and rogue devices locked out. Read more...
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- In the ever-evolving landscape of cybersecurity, one role stands firm amidst constant change: the network engineer. These professionals operate at the heart of a company’s information technology (IT) infrastructure, harnessing their specialized skills to ensure seamless and secure operations. In this article, we will delve into the crucial role of a network engineer, the challenges they face, their market demand, and how their role is expected to evolve over the next decade. The Essential Role of Network Engineers Within the bustling epicenter of a company’s IT operations, network engineers, often recognized as network security engineers, wield their expertise to ensure the flawless and secure functioning of the organization’s technological backbone. These vital players cater to the IT needs of mid-to-large scale corporations by masterminding the design, orchestration, and upkeep of the company’s internal and external networks. This encompasses the management of local area networks (LANs), wide area networks (WANs), and intranets, as well as the administration of routers, switches, and firewalls. The crux of their work lies in making corporate data easily accessible while maintaining a robust defense against cyber threats. On any given day, network engineers vigilantly oversee network performance, swiftly troubleshoot and rectify issues, and conjure strategies for network enhancement. Serving as the bulwark against cyber threats, they employ cutting-edge security protocols to safeguard crucial corporate information. In addition, they are deeply involved in disaster recovery planning, laying down robust contingency plans to guarantee business resilience in the face of potential network disruptions. Their role extends far beyond merely maintaining a network; they are the stewards of a company’s digital landscape, tasked with ensuring a secure, stable, and efficient IT environment. This responsibility not only demands technical prowess but also requires strategic thinking and a keen awareness of potential cyber threats. Theirs is a role of critical importance, and their actions directly impact the safety and productivity of their organization. This, in no uncertain terms, outlines the paramount role that network engineers play in the contemporary digital world. The Unique Challenges Faced by Network Engineers The world of a network engineer is far from serene; it teems with a plethora of challenges that command resilience, adaptability, and ceaseless learning. Tasked with the crucial responsibility of guarding an organization’s precious data, network engineers frequently find themselves in an intricate dance with increasingly sophisticated security threats. Cyberattacks, like shape-shifters, morph constantly in nature and intensity, requiring network engineers to constantly refresh their knowledge and skillsets to preempt and counteract potential breaches. Further adding to their complex role is the obligation of maintaining peak network performance in the face of skyrocketing data loads. The digital age has ushered in an era of unprecedented data generation, with the proliferation of big data, Internet of Things (IoT) devices, and cloud technologies. Juggling this enormous data influx while preserving network speed and integrity is no small feat, obligating network engineers to perpetually innovate and strategize. In addition to this, the high stakes attached to their role add a layer of pressure. Any network vulnerabilities can lead to severe consequences, including data breaches, financial losses, and damage to the company’s reputation. Therefore, they must always remain vigilant, ensuring that the company’s digital defenses remain impregnable. The role of a network engineer, then, is a confluence of technical mastery, strategic foresight, and ceaseless adaptability. Their journey is marked by relentless evolution, fueled by the volatile, high-speed nature of the digital landscape. Every day presents a new learning curve, a fresh challenge, a different puzzle to unravel. Far from being disheartening, these challenges fuel the dynamism of the role, making the profession of a network engineer both demanding and incredibly fulfilling. The Market Demand for Network Engineers The escalating need for robust cybersecurity measures has led to a significant surge in the market demand for proficient network engineers. The recent rise in remote work arrangements brought on by the pandemic, coupled with an intensifying frequency of cybersecurity threats, are factors propelling an even greater demand. As businesses of all sizes and across industries increasingly rely on digital technologies for their operations, the role of network engineers becomes more critical than ever. Their unique expertise in designing, implementing, and managing secure network systems places them at the forefront of the battle against cyber threats. This indispensable role underscores their high value in the job market, from tech start-ups to established multinational corporations. Moreover, the exponential growth in data generation and the subsequent need for effective data management strategies have amplified the necessity for skilled network engineers. Their role in managing this data deluge, while maintaining optimum network performance and security, makes them a prized asset in the digital age. Furthermore, the rapid development and adoption of emerging technologies such as big data, cloud computing, Internet of Things (IoT) devices, and artificial intelligence necessitate a network engineer’s expertise. As companies scramble to integrate these technologies into their existing infrastructure without compromising security, the skills of a network engineer become even more invaluable. Therefore, the current market landscape presents a prosperous outlook for network engineers. Despite the demanding nature of the role and the high-stakes responsibilities it entails, the career prospects for network engineers are promising. Their specialized skills, adaptability, and strategic thinking are in high demand, promising rewarding career opportunities and solid job security. In fact, the flourishing demand for network engineers underscores the vital role they play in a world that is becoming increasingly interconnected and data-driven. The Future Evolution of the Network Engineer Role As we cast an eye towards the horizon, the contours of a network engineer’s role are set to shift and grow in line with the emerging technologies. The dawn of breakthroughs such as artificial intelligence (AI), machine learning (ML), and 5G is poised to infuse a new dimension into the network engineering domain. Specifically, AI and ML hold the promise of transforming network management radically. From automating routine tasks to amplifying network security measures, these technologies stand to redefine the traditional boundaries of a network engineer’s role. As a result, network engineers will need to arm themselves with a new suite of skills to leverage these advancements effectively. This paradigm shift will see them evolve from merely being custodians of the network to strategic visionaries in the cybersecurity landscape. Similarly, the advent of 5G technology will mandate a whole new level of network performance and security management. With the capacity to support billions of devices and provide unprecedented data speeds, 5G will place the network engineer at the heart of a thrilling technological revolution. In the face of these advancements, one thing remains clear: the role of a network engineer is not static. It is a dynamic, ever-changing position that reflects the ebb and flow of technological evolution. The future beckons with a wave of new opportunities and challenges, calling upon network engineers to step up and adapt. By doing so, they will not only stay ahead of the curve but will also help navigate their organizations safely through the digital age. In a nutshell, the network engineer’s role in the future will be characterized by a blend of technical adeptness, strategic leadership, and visionary thinking. As they embrace this new era, network engineers will continue to play a pivotal role in shaping a secure and efficient digital world. Thus, their journey is marked not just by an evolution in role, but also a revolution in impact, firmly establishing them as indispensable assets in the ever-evolving landscape of cybersecurity. Read more...
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