List of the Top Free Network Security Software in 2025 - Page 2

CySight’s groundbreaking Actionable Intelligence is relied upon by Fortune 500 companies worldwide, providing organizations with a highly efficient and secure solution to address the growing challenges posed by the complexity and scale of contemporary physical and cloud networking. By leveraging cyber network intelligence, CySight enhances the capabilities of network and security teams, allowing them to significantly speed up incident response times by revealing hidden vulnerabilities, scrutinizing network data to identify irregularities, detecting cyber threats, and assessing the usage and performance of assets. Additionally, CySight’s innovative Dropless Collection technique grants unparalleled visibility into vast network data, ensuring that information is stored in the most compact manner possible, which in turn boosts machine learning, artificial intelligence, and automation efforts to maximize the potential of all types of metadata, regardless of size or complexity. This comprehensive approach not only streamlines operations but also empowers organizations to stay ahead in an ever-evolving digital landscape.

Gain insights from a hacker's viewpoint on your web applications, network infrastructure, and cloud services. Pentest-Tools.com empowers security teams to effortlessly conduct the essential phases of a penetration test, even without extensive hacking expertise. Located in Bucharest, Romania, Pentest-Tools.com specializes in developing offensive cybersecurity solutions and exclusive vulnerability scanning software tailored for penetration testers and information security professionals. Our suite of tools enables security teams to pinpoint potential attack vectors that adversaries might exploit to infiltrate your organization, allowing you to significantly mitigate the risks associated with cyber threats. > Streamline repetitive pentesting tasks > Accelerate pentest report creation by 50% > Avoid the expenses of utilizing multiple scanning tools What distinguishes us is our capability to automatically consolidate findings from our complete toolkit into a thorough report that is not only ready for immediate use but also easily customizable to meet your needs. From initial reconnaissance to exploitation, our automated reports encapsulate all critical findings, including vulnerabilities in the attack surface, significant “gotcha” issues, subtle misconfigurations, and confirmed security weaknesses, ensuring that you have a comprehensive understanding of your security posture and areas for improvement.

Hybrid SIEM solutions integrate real-time log tracking along with thorough system and network surveillance, granting users an all-encompassing perspective of their servers, endpoints, and networks. The normalization and correlation engine for security event logs, accompanied by informative email alerts, enhances context, turning complex Windows security events into straightforward reports that reveal insights beyond mere raw data. Furthermore, EventSentry’s NetFlow feature visualizes network traffic, enabling the detection of potentially harmful activities while also shedding light on bandwidth consumption. The ADMonitor component from EventSentry simplifies the monitoring of Active Directory modifications, capturing all alterations to Group Policy objects and compiling a comprehensive user inventory to help in pinpointing obsolete accounts. Additionally, the solution offers a wide array of integrations and options for multi-tenancy, making it adaptable to various organizational needs. This flexibility allows businesses to tailor their security monitoring to fit their specific requirements effectively.

Our technology is designed to be incredibly user-friendly while still maintaining high performance and a full range of features. We complement this with outstanding support and a commitment to fair, affordable pricing. Our solutions cater to everyone, from ambitious small startups with limited resources to large global corporations, and we appreciate each one of them! With straightforward options like Load balancing, WAF, GSLB, and SSO/Pre-Authentication, you can easily integrate our offerings. Moreover, we proudly present the only genuine ADP Application Delivery Platform that enables you to enhance both functionality and longevity through our app store or applications developed internally. This versatility ensures that all users can tailor the technology to meet their specific needs effectively.

The Network Analyzer provides administrators with a comprehensive insight into various sources of network traffic and potential security vulnerabilities. This tool enables system administrators to efficiently obtain vital information regarding the overall status of the network, alongside detailed data that facilitates thorough network evaluations. Offering a centralized perspective on all network traffic and bandwidth usage, the Network Analyzer also highlights possible network breaches. The main dashboard presents a snapshot of critical netflow and sflow data sources, server performance metrics, unusual network activities, and other related issues, serving as a rapid assessment tool for network health. Users have the ability to delve into specific details concerning IP addresses, source and destination ports, or any mix of these parameters for a more focused analysis. Moreover, Network Analyzer's sophisticated alerting and reporting features enhance IT personnel's understanding of their network landscape. For deeper investigation and monitoring, users can not only access but also store exceptionally detailed packet-level data, ensuring they have all necessary information at their disposal for effective network management. This multifaceted approach empowers administrators to proactively address issues before they escalate into serious problems.

NTFS permissions are essential for managing access to files and folders within NTFS file systems. The NTFS Permissions Auditor provides a swift method for analyzing, validating, and reviewing NTFS folder permissions. Users of the free version benefit from thorough audit results, while the Pro version offers an enriched user experience with features such as advanced filtering options and the ability to export results in a variety of formats. Users have the flexibility to select or import directories for auditing, as well as search for additional shares to be included in the audit criteria. Furthermore, users can modify audit settings if they wish, or they can simply use the default options to streamline the process. Upon clicking ‘Audit,’ the tool thoroughly scans all folders and their respective NTFS permissions. Once the audit concludes, results can be easily viewed or saved to a file for future reference. The installation process is simple and requires no complex configurations, enabling users to start auditing right away. The filtering capabilities are extensive, allowing users to apply various conditions—using ‘And’ and ‘Or’ operators—to narrow down their queries for the exact information needed. This level of customization not only enhances the efficiency of the auditing process but also ensures it meets the diverse requirements of different users, making it a versatile tool in managing NTFS permissions. Additionally, regular updates to the software ensure that users are equipped with the latest features and improvements for optimal performance.

Xeams is a robust and secure all-in-one email server compatible with various operating systems, including Windows, Linux, Solaris, MacOSX, and other UNIX variants. The server supports essential protocols such as SMTP, POP3, and IMAP, ensuring comprehensive email functionality. One of its standout features is a highly effective spam filtering system that can remove as much as 99 percent of unwanted emails right from the start. Additionally, its user-centric design allows for a customizable email experience, making it accessible for users of all levels. With its impressive capabilities, Xeams stands out as an excellent choice for managing email communications efficiently.

Fluxguard provides a cloud-based solution for monitoring websites, enabling users to identify errors, unauthorized alterations, or other critical changes on complex web applications and multi-step processes. It effectively filters out non-essential modifications, allowing for the creation of straightforward rules that notify IT personnel and business users of any webpage updates. Furthermore, you have the option to assign the task of monitoring and analysis to one of our skilled Solution Architects, who will enhance the monitoring process and generate comprehensive change reports. By leveraging Natural Language Processing, Fluxguard simplifies the monitoring experience, facilitating the detection of variations in key document features, including entities like people and products. The insights derived from this analysis can be utilized to develop engaging dashboards or to perform unique interrelationship assessments. The process of staff remediation, analysis, and investigation is streamlined with concise change summaries, ensuring swift action can be taken. Users can expect to receive thorough reports promptly as soon as any changes are identified, reinforcing the platform’s commitment to maintaining website integrity. By utilizing these advanced features, businesses can significantly enhance their website management and oversight capabilities.

SOC Prime provides security teams with a comprehensive and powerful platform for collaborative cyber defense, fostering teamwork among a worldwide cybersecurity community while offering the latest Sigma rules that are compatible with more than 28 SIEM, EDR, and XDR platforms. By utilizing a zero-trust framework and innovative technology derived from Sigma and MITRE ATT&CK®️, SOC Prime facilitates intelligent data orchestration, economically efficient threat hunting, and adaptive attack surface visibility, thereby enhancing the return on investment for SIEM, EDR, XDR, and Data Lake solutions while improving detection engineering productivity. The company’s groundbreaking advancements have garnered recognition from independent research firms, endorsements from top SIEM, XDR, and MDR vendors, and the trust of over 8,000 organizations across 155 countries, including notable percentages of Fortune 100 companies, Forbes Global 2000 firms, public sector institutions, and numerous MSSP and MDR providers. Supported by notable investors such as DNX Ventures, Streamlined Ventures, and Rembrandt Venture Partners, SOC Prime successfully raised $11.5 million in funding in October 2021. Through its cutting-edge cybersecurity offerings, including the Threat Detection Marketplace, Uncoder AI, and Attack Detective, SOC Prime empowers organizations to enhance their cybersecurity strategies and effectively manage risk. This commitment to innovation and collaboration positions SOC Prime as a leader in the evolving landscape of cybersecurity.

CloudLAN serves as a safe virtual workspace, enabling teams spread out across various locations to work together effectively. This platform facilitates seamless connectivity by linking all users' computers into one cohesive network. With TeamVPN IP, users benefit from a roaming static IP that remains independent of any specific physical internet connection. Furthermore, features like service casting and Host connect empower businesses to operate remotely, even if they lack an internal technical support team. This ensures that companies can maintain productivity and collaboration, regardless of their technological expertise.

Safeguard your network from malware, unwanted advertisements, and tracking on every connected device. You can easily choose to protect specific devices, groups, or your entire network based on your needs. The installation and configuration process of the software is user-friendly, featuring options for custom blocklists and exceptions tailored to your preferences. Blockade acts as a DNS-based server solution designed to eradicate third-party tracking mechanisms, analytics programs, advertisements, and connections to malware-related websites across all devices linked to your network. A single server software license provides comprehensive protection for a wide range of devices, including computers, laptops, smartphones, and smart TVs, against intrusive internet tracking and advertisements. To get started, simply install Blockade on any Windows or Linux machine in your network that isn’t already managing DNS or web services. By implementing Blockade, your network can be kept free from advertisements, tracking, and analytics tools, which contributes to a safer online experience for all users. This extensive level of protection not only enhances individual privacy but also offers reassurance for families and organizations seeking a secure digital environment. Ultimately, adopting such a solution fosters a more enjoyable and less intrusive internet experience overall.

The landscape of work has undergone a significant transformation, enabling individuals to operate from virtually anywhere rather than being confined to their offices. Cloud-based applications have replaced on-premise solutions, leading to a distributed company network perimeter that spans the internet. Traditional VPNs, which focus on network-centric remote access, have become not only cumbersome and outdated but also pose considerable security vulnerabilities for businesses. The costs and resources associated with acquiring, deploying, and maintaining VPN infrastructure can be staggering. When access isn't secured at the application level, hackers may be able to compromise entire networks. Twingate offers a solution for organizations by facilitating the swift implementation of a zero trust network that outperforms VPNs in security. As a cloud-based service, Twingate enables IT teams to establish a software-defined perimeter rapidly without necessitating any changes to existing infrastructure. Moreover, it provides centralized management of user access to internal applications, regardless of whether these applications are hosted in the cloud or on-premise. This modern approach not only enhances security but also simplifies access management across diverse environments.

When linked to a home Wi-Fi router, this IoT device creates a new and secure network that swiftly mitigates potential hazards. The essential app plays a crucial role in configuring the device while offering security notifications and insights that deepen users' comprehension of cybersecurity. Its security dashboard provides extensive visibility into remote networks, allowing for the implementation of stringent policy controls in offsite environments. The DuskRise solution benefits from the threat intelligence research and data analysis conducted by the Cluster25 team, ensuring users are well-informed. Effectively tackle threats by integrating strong control and prevention filters along with effective detection and response strategies. Leverage our unique AI algorithms to analyze complex network data and detect unusual activities instantly. By establishing a secure network enclave, users can create a controllable and protectable segment, irrespective of the surrounding network structure. This additional security layer not only bolsters the overall defense of the user's network but also encourages a proactive stance against cybersecurity threats, ultimately leading to a more resilient digital environment. With the continuous evolution of cyber threats, maintaining an adaptive security strategy becomes imperative for safeguarding valuable information.

Cloud-Fish provides comprehensive security measures for your sensitive data across multiple platforms, ensuring that your business is well-equipped to defend against cyber threats and potential data breaches. Critical information such as intellectual property and customer details can often be stored on employee devices, mobile phones, and external cloud services used by your organization. Protecting this vital data is crucial to safeguarding your business from possible financial risks, compliance issues, and harm to its reputation. How do you effectively secure sensitive information that is distributed across different platforms? Considering that your organization functions on both a regional and a global scale with offshore offices, it can be particularly challenging to maintain visibility and oversight over the activities occurring within these branches. Who is sharing what information? To successfully navigate these complexities, it is essential to have robust monitoring capabilities and an effective response system to swiftly address any cyber incidents or breaches. Without implementing such protective measures, your organization's sensitive data is left open to the risk of unauthorized access and potential exploitation, which could lead to significant repercussions. Ultimately, prioritizing a solid data security framework is not just a necessity; it is a fundamental aspect of maintaining trust and integrity within your business operations.

In the current digital age, the importance of authentication and password security cannot be overstated. Our advanced password auditing tool thoroughly evaluates your Active Directory to identify any weaknesses related to password security. The information collected results in various interactive reports that provide an in-depth analysis of user credentials and password policies. Operating in a read-only mode, Specops Password Auditor is available for free download. This utility allows you to assess your domain's password policies, including any detailed fine-grained policies, to see if they encourage the establishment of strong passwords. Additionally, it generates extensive reports that identify accounts suffering from password vulnerabilities, such as those with expired passwords, reused passwords, or fields left empty. Beyond these critical assessments, Specops Password Auditor also enables you to evaluate the strength of your policies against brute-force attacks. A comprehensive list of available password reports is conveniently included in the product overview, ensuring you have all the necessary information at your fingertips. By utilizing this robust tool, you can significantly improve the overall security framework of your organization and gain peace of mind regarding password integrity.

Aruba AirWave is recognized as the only multi-vendor platform dedicated to overseeing both wired and wireless networks, with a focus on mobile users, devices, and applications. By consistently monitoring the performance and health of all connected components, AirWave provides vital insights that empower IT departments to improve the contemporary digital workplace. As network management becomes increasingly complex, the risks associated with data breaches grow concurrently. HPE Intelligent Management Center (IMC) offers a broad spectrum of visibility across campus cores and data center networks, converting irrelevant network information into actionable insights that support the health of both the network and the overall business. Furthermore, HPE’s network and service management solutions extend their capabilities to telco networks from the core to the edge, allowing operators to seize the advantages of emerging 5G technology. These solutions also optimize the management of data centers and Fibre Channel (FC) storage area network (SAN) infrastructures, while the HPE IMC Branch Intelligent Management System facilitates remote management of Customer Premises Equipment (CPE). This all-encompassing strategy guarantees that companies can uphold efficient and secure network operations within a rapidly evolving digital environment, helping them to stay competitive and resilient. As technology continues to advance, effective network management will be key to sustaining business success in this dynamic landscape.

Integrating security into the framework of every application is essential. A robust application security platform enables teams to protect their software effectively, increase visibility, and secure their codebase thoroughly. It plays a critical role in safeguarding applications by preventing data breaches, blocking unauthorized access to accounts, and reducing attacks directed at business logic. By enhancing visibility, it facilitates real-time incident tracking, streamlines incident response, and automates application inventory management. Securing the code involves promptly identifying and addressing critical vulnerabilities, while embedding security measures throughout the Software Development Life Cycle (SDLC). Users can adopt a holistic security strategy through a unified platform that allows them to protect, monitor, and assess their applications continually. Moreover, it can analyze the execution logic of applications in real time, strengthening security protocols without compromising performance. Furthermore, sandboxed microagents are engineered to adapt intelligently to the evolving landscape of applications and emerging threats, significantly reducing the burden of ongoing maintenance. This proactive and adaptable approach ensures that security always takes precedence in a rapidly changing digital landscape, ultimately fostering a culture of resilience against potential risks.

RBLTracker provides an intuitive, real-time monitoring solution for blacklists that encompass your email, website, and social media accounts. By aggregating information from a wide range of sources, we guarantee thorough monitoring capabilities. Users receive prompt, multi-channel notifications if any of their listed hosts are found on a blacklist. Our service features adaptable pricing models, including a monthly subscription plan and a flexible pay-per-check option. Our API allows for seamless integration into your existing provisioning and monitoring systems. Whether you're overseeing a single IP address or managing thousands, our platform streamlines the entire process, ensuring you can operate with confidence. This level of monitoring offers reassurance that your clients can connect with you safely. As a leader in blacklist surveillance, RBLTracker performs over 650,000 checks each day for numerous clients across more than 45 countries. We take pride in being the sole provider that delivers URIBL, Safe Browsing, Threat Exchange, and DNS Security monitoring specifically designed for your email, websites, and social media. Furthermore, our user-friendly interface allows for the effortless management of thousands of IP addresses, offering the same level of simplicity as managing just one, thereby guaranteeing strong protection for your digital assets. With RBLTracker, you can concentrate on advancing your business while we proficiently manage your blacklist monitoring responsibilities. This comprehensive approach not only saves you time but also enhances your overall online security strategy.

Lynis Enterprise focuses on providing security scanning specifically for Linux, macOS, and Unix operating systems, allowing users to swiftly pinpoint and address issues so they can focus on their primary business objectives and initiatives. This specialized focus is a rarity in a market flooded with various services and software offerings, as we prioritize Linux and Unix security exclusively. The primary aim of Lynis is to perform comprehensive health assessments of systems, which is instrumental in uncovering vulnerabilities and shortcomings in configuration management. Acting as a powerful software tool, Lynis Enterprise supports security auditing, compliance evaluation, and the execution of system hardening strategies. Built with Lynis at its foundation, this software is designed for deployment in environments that operate on Linux, macOS, or other Unix-like platforms. Additionally, Lynis offers critical insights that enable organizations to significantly improve their overall security stance, fostering a proactive approach to risk management. Overall, the emphasis on a targeted solution makes Lynis a vital asset for organizations seeking to enhance their cybersecurity frameworks.

PerfectMail proudly claims a remarkable filter accuracy of over 99%, with less than 0.1% of genuine emails incorrectly categorized as spam. It adeptly learns the communication patterns of its users and their frequent contacts, which guarantees that crucial messages are never obstructed. The primary challenges PerfectMail encounters arise from emails sent by unknown senders, thereby reducing the typical risks linked to spam filtering. Unlike conventional spam filters that work by receiving, queuing, filtering, and delivering emails—which can lead to delays and missed legitimate messages—PerfectMail utilizes a real-time filtering technique. This cutting-edge approach enables it to evaluate incoming messages instantaneously, providing immediate notifications to senders if their emails are blocked. Furthermore, PerfectMail's antispam engine is crafted in C, one of the fastest programming languages available, significantly boosting its efficiency. This blend of instantaneous processing and high-speed coding not only enhances performance but also guarantees users a smooth and uninterrupted email experience. With such innovative features, PerfectMail stands out as a leader in the email filtering landscape.

Secure Cell functions as a multifaceted cryptographic solution tailored for the safe storage of diverse data types, including encrypted files and database records. It proficiently safeguards data at rest by employing cutting-edge encryption techniques like AES-256-GCM and AES-256-CTR. For secure communication needs, Secure Message presents a user-friendly option that supports a wide array of use cases, allowing individuals to exchange encrypted and signed messages safely, whether between peers or from client to server, thus reducing the likelihood of man-in-the-middle (MITM) attacks and preventing the compromise of individual secrets. The system utilizes a combination of ECC with ECDSA and RSA coupled with PSS and PKCS#7 to provide formidable security. Furthermore, the Secure Comparator empowers users to authenticate identities using a zero-knowledge proof method, enabling secret comparisons across insecure channels without disclosing sensitive data or risking reuse attacks. In addition, Secure Session offers a session-based encrypted data exchange framework that integrates forward secrecy, significantly bolstering security for complex infrastructures. Collectively, these innovations allow users to achieve an enhanced level of protection and privacy in their digital interactions and data handling processes. Ultimately, by leveraging these advanced features, organizations can better safeguard their sensitive information against evolving cyber threats.

Having the capability to modify and remove messages, along with the option for automatic deletion, clearing chat histories, and fully erasing all records is crucial. Users are empowered to disconnect devices remotely, employ a deceptive secret phrase, and activate features such as auto-lock and auto-logout during periods of inactivity. There are functionalities to conceal contacts and establish blacklists, as well as customized visibility options for individual contacts, enabling precise configuration of contact permissions. Furthermore, tasks can be delegated to both oneself and team members, with mechanisms in place to monitor progress and ensure accountability. Users also have the ability to securely store and manage their passwords, sharing them with selected contacts as needed. Enhancing collaboration is further supported by setting team objectives and tracking the resolution of various challenges, which cultivates a more effective work atmosphere. Overall, this extensive suite of features greatly enhances both communication and organizational capabilities within any group setting, leading to improved teamwork and efficiency.

Sophos UTM takes threat prevention to new and impressive levels. At the heart of Sophos Sandstorm lies an advanced deep learning neural network, a sophisticated form of machine learning that proficiently recognizes both known and unknown malware without relying on conventional signatures. Importantly, Sophos UTM 9.4 is among the first products to integrate our cutting-edge next-gen cloud sandboxing technology. Sandstorm significantly boosts defenses against ransomware and targeted assaults while offering extensive visibility and analytical tools. It promptly and accurately identifies evasive threats before they can penetrate your network. Additionally, it provides remarkable value by delivering enterprise-grade protection without the hassle of high costs or complexities. You can enhance the security of your web servers and Microsoft Enterprise Applications against cyber threats while ensuring secure access for external users through reverse proxy authentication. Our innovative all-in-one solution also offers complete SMTP and POP message protection against spam, phishing attacks, and data breaches, which significantly elevates your overall cybersecurity strategy. In summary, Sophos UTM empowers organizations with powerful tools to effectively protect their digital assets and maintain a strong security posture. With these capabilities, businesses can confidently navigate the ever-evolving landscape of cyber threats.

Elevate your security framework with LevelBlue USM Anywhere, an innovative open XDR platform designed to evolve alongside the complexities of your IT landscape and the growing requirements of your organization. Equipped with sophisticated analytics, extensive security orchestration, and automation features, USM Anywhere offers integrated threat intelligence that enhances and accelerates threat detection while streamlining response management. Its exceptional adaptability is showcased through a diverse range of integrations, referred to as BlueApps, which enhance its detection and orchestration functions across a multitude of third-party security and productivity tools. Moreover, these integrations enable the seamless activation of automated and orchestrated responses, thereby optimizing security management processes. Experience the capabilities of this transformative platform with a 14-day free trial, allowing you to explore how it can revolutionize your cybersecurity strategy and empower you to proactively counter potential threats in today's rapidly evolving digital landscape. Don't miss the opportunity to strengthen your defenses and ensure a more secure future for your enterprise.

Chariot stands out as the premier offensive security platform designed to thoroughly catalog assets that are visible on the Internet, assess their significance, pinpoint and validate genuine pathways of compromise, evaluate your detection and response strategies, and create policy-as-code rules to avert future vulnerabilities. Operating as a concierge managed service, we function as an extension of your team, alleviating the daily challenges associated with security management. Each account is supported by dedicated offensive security specialists who guide you through every stage of the attack lifecycle, ensuring that you have the right insights at the right time. Before you escalate any concerns to your internal team, we filter out the noise by confirming that each identified risk is both accurate and significant. Our fundamental commitment is to provide alerts only when it truly matters, guaranteeing an absence of false positives. By collaborating with Praetorian, you can gain a strategic advantage over potential attackers. Our unique blend of security expertise and automated technology empowers you to reclaim your offensive stance in the battle against cyber threats, ensuring you are always a step ahead.