List of the Top 25 Network Security Software for Small Business in 2025

Control D is a versatile DNS filtering and traffic redirection service that utilizes advanced Secure DNS protocols such as DNS-over-HTTPS, DNS-over-TLS, and DNS-over-QUIC, while also accommodating traditional DNS. With Control D, users can effectively eliminate harmful threats, restrict various types of undesirable content across the network—including advertisements, trackers, IoT data, adult material, social media, and more—while also redirecting traffic through transparent proxies and monitoring network activities and usage patterns at a client-specific level. Consider it your own personalized Authoritative DNS resolver for the entire Internet, providing you with detailed control over which domains are allowed to be resolved, redirected, or blocked. This capability not only enhances security but also empowers users to tailor their online experience according to their preferences.

Unimus is a comprehensive on-premise solution for Network Automation and Configuration Management (NCM) that prioritizes quick installation and user-friendliness. This platform enhances network security by offering a unified view of configurations and providing real-time alerts for unauthorized changes. Its robust API allows seamless integration with SIEM systems, enhancing overall visibility and supporting security operations. With Compliance Reporting features, Unimus ensures that configurations align with internal security standards and audit requirements. The Mass Config Push functionality facilitates scheduled firmware updates, enabling you to address vulnerabilities throughout your network efficiently, without the need for manual intervention. Supporting over 400 device types from more than 150 different manufacturers, Unimus serves as a vendor-agnostic platform for Network Automation, Change Management, and Configuration Auditing. It minimizes the risk of human errors, bolsters security, and accelerates operational processes, all while being accessible to users without programming expertise.

Strengthen your organization's security posture and simplify compliance with major regulatory standards like ISO 27001, GDPR, and HIPAA using Proton's software-based VPN solution. Designed for easy and seamless integration with your existing infrastructure, Proton VPN for Business provides a flexible and scalable way to protect your organization. All our plans use strong encryption algorithms such AES-256 or ChaCha20 to keep your data secure in transit. You can further enhance your company's endpoint security with enforced two-factor authentication (2FA) and effortless single sign-on (SSO) user access. And with full support for SCIM, you can seamlessly automate provisioning and user management across your organization. With the Proton VPN Professional plan, you can assign dedicated VPN servers and Gateways (logical groupings of dedicated servers), and segment access based on each individual's role or department to ensure employees only connect to the resources they need. This approach enhances both security and operational efficiency across distributed teams and hybrid environments. Proton VPN is part of a suite of open source end-to-end encrypted tools created by the team behind Proton Mail. Backed by a large global server network, our platform delivers high-speed (up to 10 Gbps) connections and trustworthy privacy protection, making it ideal for businesses of all sizes that prioritize data security and compliance.

SpamTitan's email security solution safeguards businesses, educational institutions, small to medium-sized enterprises (SMBs), and managed service providers (MSPs) from various email threats including spam. It effectively defends against phishing attempts, zero-day vulnerabilities, viruses, malware, ransomware, and other malicious email activities, ensuring a secure mail flow and filtering out unwanted messages. Our user-friendly yet robust email protection is compatible with Office365, making it accessible for a wide range of users. You can try SpamTitan Email Security risk-free with a fully supported trial. SpamTitan – Comprehensive features included: * Protection against CEO impersonation * Safeguarding against spear phishing attacks * Analysis of links within emails * Complete email sanitization * Defense against zero-day attacks * Mail spooling capabilities * Anti-spoofing measures * Protection against ransomware and malware * Checking for SPF, DKIM, and DMARC compliance * Encryption options available * Fully multi-tenant architecture * Customizable user interface for branding * Complete REST API access * Detailed setup documentation and support Recognized as a top solution in the G2 Crowd Email Security category, SpamTitan Email Security stands out for its premium functionalities and reliability. Begin your free trial today and enhance your email security!

NinjaOne enhances network security by implementing monitoring, patching, and enforcing policies. Alerts are generated when unauthorized devices or applications are detected, prompting IT teams to investigate. Automated patching minimizes the risks associated with vulnerable systems. Comprehensive reporting features provide insights into security trends and areas needing compliance improvement. Remote access solutions utilize robust encryption to safeguard data. Additionally, backup integration strengthens defenses against cyber threats. Overall, NinjaOne empowers organizations to uphold a robust network security framework.

ConnectWise Automate enables rapid resolution of IT issues, streamlining processes for technology teams. This powerful platform for remote monitoring and management (RMM) enhances the productivity of IT personnel. It empowers teams to pinpoint devices and users in need of proactive oversight, eliminate obstacles to service delivery, and manage a greater number of endpoints efficiently, all without increasing their workload. As a result, organizations can maintain a higher level of service and support.

ManageEngine OpManager serves as a network security monitoring tool that offers immediate identification of network irregularities and possible security risks. It oversees device configurations, observes unauthorized modifications, and guarantees adherence to security protocols. By delivering proactive notifications, OpManager aids in recognizing unusual traffic patterns, identifying potential vulnerabilities, and addressing performance concerns, allowing for swift action to reduce risks. Additionally, it connects seamlessly with firewall and intrusion detection systems, bolstering network security by providing insights into possible attacks and security breaches.

Delska operates as a specialized data center and network service provider, delivering customized IT and networking solutions for enterprises. With a total of five data centers in Latvia and Lithuania—one of which is set to open in 2025—and additional points of presence in Germany, the Netherlands, and Sweden, we create a robust regional ecosystem for data centers and networking. Our commitment to sustainability is reflected in our goal to reach net-zero CO2 emissions by 2030, establishing a benchmark for eco-friendly IT infrastructure in the Baltic region. Beyond traditional services like cloud computing, colocation, and data security, we also introduced the myDelska self-service cloud platform, designed for rapid deployment of virtual machines and management of IT resources, with bare metal services expected soon. Our platform boasts several essential features, including unlimited traffic and fixed monthly pricing, API integration, customizable firewall settings, comprehensive backup solutions, real-time network topology visualization, and a latency measurement map, supporting various operating systems such as Alpine Linux, Ubuntu, Debian, Windows OS, and openSUSE. In June 2024, Delska expanded its portfolio by merging with two companies—DEAC European Data Center and Data Logistics Center (DLC)—which continue to function as separate legal entities under the ownership of Quaero European Infrastructure Fund II. This strategic merger enhances our capacity to provide even more innovative services and solutions to our clients.

Manage Engine's EventLog Analyzer stands out as the most cost-effective security information and event management (SIEM) software in the market. This secure, cloud-based platform encompasses vital SIEM functionalities such as log analysis, log consolidation, user activity surveillance, and file integrity monitoring. Additional features include event correlation, forensic analysis of logs, and retention of log data. With its robust capabilities, real-time alerts can be generated, enhancing security response. By utilizing Manage Engine's EventLog Analyzer, users can effectively thwart data breaches, uncover the underlying causes of security challenges, and counteract complex cyber threats while ensuring compliance and maintaining a secure operational environment.

Log360 is a comprehensive security information and event management (SIEM) solution designed to address threats across on-premises, cloud, and hybrid environments. Additionally, it assists organizations in maintaining compliance with various regulations like PCI DSS, HIPAA, and GDPR. This adaptable solution can be tailored to fit specific organizational needs, ensuring the protection of sensitive information. With Log360, users have the ability to monitor and audit a wide range of activities across their Active Directory, network devices, employee workstations, file servers, databases, Microsoft 365, and various cloud services. The system effectively correlates log data from multiple sources to identify intricate attack patterns and persistent threats. It includes advanced behavioral analytics powered by machine learning, which identifies anomalies in user and entity behavior while providing associated risk scores. More than 1000 pre-defined, actionable reports present security analytics in a clear manner, facilitating informed decision-making. Moreover, log forensics can be conducted to delve deeper into the origins of security issues, enabling a thorough understanding of the challenges faced. The integrated incident management system further enhances the solution by automating remediation responses through smart workflows and seamless integration with widely used ticketing systems. This holistic approach ensures that organizations can respond to security incidents swiftly and effectively.

Syncro serves as a comprehensive business platform designed specifically for managing a successful managed service provider (MSP). Experience the convenience of PSA, RMM, and remote access all bundled into one cost-effective solution. Additionally, you can enhance your productivity even further with seamless integrations to over 50 MSP and business applications that you already utilize. The pricing structure of Syncro is straightforward, offering a single flat fee that covers all PSA, RMM, and remote access functionalities, allowing for unlimited endpoints with no binding contracts or minimum requirements. This simplicity makes it easier for MSPs to budget and plan their services effectively.

TotalView provides comprehensive network monitoring and straightforward root-cause analysis of issues, using clear, accessible language. This solution tracks every device and all interfaces associated with those devices, ensuring nothing is overlooked. Furthermore, TotalView delves deep by gathering 19 different error counters, along with performance metrics, configuration details, and connectivity data, allowing for a holistic view of the network. An integrated heuristics engine processes this wealth of information to deliver clear, easily understandable insights into problems. With this system, even junior engineers can tackle complex issues, freeing up senior engineers to concentrate on higher-level strategic initiatives. The main product encompasses all essential tools required for maintaining an optimally functioning network, including configuration management, server and cloud service monitoring, IP address management (IPAM), NetFlow analysis, path mapping, and diagramming capabilities. By utilizing TotalView, you can achieve complete visibility of your network, enabling you to resolve issues more swiftly and efficiently, ultimately enhancing overall network performance.

UTunnel Secure Access offers solutions including Cloud VPN, ZTNA, and Mesh Networking to facilitate secure remote connections and reliable network performance. ACCESS GATEWAY: Our Cloud VPN as a Service allows for the rapid deployment of VPN servers on either Cloud or On-Premise setups. By employing OpenVPN and IPSec protocols, it ensures secure remote connections complemented by policy-driven access controls, enabling businesses to establish a robust VPN network effortlessly. ONE-CLICK ACCESS: The Zero Trust Application Access (ZTAA) feature revolutionizes secure interaction with internal business applications such as HTTP, HTTPS, SSH, and RDP. Users can conveniently access these services via their web browsers without the necessity of any client-side applications. MESHCONNECT: This solution, combining Zero Trust Network Access (ZTNA) and mesh networking, offers detailed access controls tailored to specific business network resources and fosters the formation of secure, interconnected business networks for enhanced collaboration. SITE-TO-SITE VPN: Additionally, the Access Gateway allows for the establishment of secure IPSec Site-to-Site tunnels, which facilitate connections between UTunnel's VPN servers and other network infrastructure components like gateways, firewalls, routers, and unified threat management (UTM) systems, thereby enhancing overall network security. By integrating these features, UTunnel Secure Access is committed to providing comprehensive solutions that meet the evolving needs of modern businesses.

Splunk Enterprise is a data platform designed to give organizations total visibility into their operations, security, and infrastructure. It allows businesses to collect and analyze data from virtually any source, whether it’s logs, metrics, or streaming data, enabling proactive monitoring and response. Teams can build powerful dashboards, automate alerts, and track anomalies in real time, ensuring that threats and issues are identified before they disrupt operations. Powered by Splunk AI, the platform goes beyond reporting by predicting risks, uncovering hidden patterns, and enabling data-driven decisions. Splunk’s machine learning apps, such as the AI Assistant and Anomaly Detection toolkit, bring advanced intelligence to IT service management and security workflows. Its flexible architecture scales effortlessly, supporting terabytes of data and over 2,300 integrations with popular enterprise tools. Whether in security operations, IT infrastructure, or digital business monitoring, Splunk unifies data across edge, cloud, and hybrid ecosystems. Customers report dramatic efficiency gains, such as cutting incident workloads by nearly 99% and slashing costs with automation. This ability to connect insights across the enterprise makes Splunk an essential platform for digital resilience. By turning raw data into clear, actionable intelligence, Splunk empowers organizations to act with speed, clarity, and confidence.

Firewall Analyzer is a comprehensive tool designed for effective management of firewalls, automating the administration of firewall rules. It monitors both configuration and rule modifications, allows for the scheduling of configuration backups, and aids in the oversight of firewall policies. Additionally, it conducts regular security audits, issues alerts for any security-related incidents, and keeps tabs on VPN utilization while providing detailed VPN reports alongside the current security posture of firewalls. The tool also tracks employee internet activity to produce real-time and historical bandwidth reports, sending alerts when bandwidth thresholds are surpassed. Furthermore, it collects, consolidates, and scrutinizes firewall logs to generate insightful reports on security and bandwidth usage, ensuring that administrators have all the necessary information to maintain robust network security. This multifaceted functionality makes Firewall Analyzer an essential asset for organizations aiming to enhance their cybersecurity measures.

Imunify360 offers comprehensive security solutions tailored for web-hosting servers. Beyond merely functioning as antivirus software and a web application firewall, Imunify360 integrates an Intrusion Prevention and Detection system along with a specialized web application firewall, real-time antivirus protection, and patch management features into a cohesive security package. This innovative suite is designed to be fully automated, providing users with an intuitive dashboard that presents all relevant statistics clearly. In addition, Imunify360 continuously updates its protective measures to adapt to emerging threats, ensuring that web-hosting environments remain secure at all times.

Network engineers streamline their workflows using the BackBox Automation Platform for Network Teams, which efficiently automates and audits labor-intensive manual processes. Featuring a collection of more than 3,000 ready-made automations and a user-friendly, script-free interface for creating additional ones, BackBox simplifies the initiation of your automation efforts. This platform serves as an intuitive point-and-click solution for managing backups of firewalls and network devices, performing OS updates and patching, conducting configuration compliance audits and remediation, overseeing network vulnerability management, and handling changes in network configurations, among other tasks. By leveraging BackBox, network teams can enhance their productivity and focus on strategic initiatives rather than repetitive tasks.

NetFlow Analyzer offers immediate insights into network bandwidth performance by utilizing flow technologies effectively. This tool delivers an in-depth perspective on your network's bandwidth consumption and traffic behaviors. It has successfully optimized countless networks around the globe. Serving as a unified solution, NetFlow Analyzer examines, reports, and gathers information regarding your network's bandwidth consumption. With the capability to enhance bandwidth management across over a million interfaces globally, it also includes features for network forensics and traffic analysis. By adjusting policies through traffic shaping with ACLs and class-based rules, you can exercise control over the most frequently used applications. Furthermore, NetFlow Analyzer employs Cisco NBAR technology to provide an intricate understanding of Layer 7 traffic. It is also proficient in detecting applications that utilize dynamic port numbers or conceal themselves behind commonly used ports, ensuring comprehensive network management. Ultimately, this tool is essential for maintaining optimal network performance and security.

The CacheGuard product range revolves around a foundational offering known as CacheGuard-OS. When installed on either a physical or virtual machine, CacheGuard-OS effectively converts that system into a robust network appliance. This newly formed appliance can serve multiple functions as various types of gateways that enhance the security and efficiency of your network. Below is a concise overview of the various CacheGuard appliances available. - Web Gateway: exercise control over organizational web traffic and filter out undesirable web access. - UTM (Unified Threat Management): protect your networks from a wide array of online threats using a combination of a firewall, antivirus at the gateway, VPN server, and a filtering proxy. - WAF (Web Application Firewall): prevent harmful requests from reaching your essential web applications and safeguard your enterprise. The WAF incorporates OWASP rules while allowing for the creation of custom rules, along with an IP reputation filtering system that enables the blocking of IPs identified in real-time blacklists. - WAN Optimizer: optimize the flow of your vital network traffic, conserve bandwidth, and ensure high availability for your internet connection through the use of multiple ISPs. Each appliance is designed to address specific network challenges, ultimately providing comprehensive solutions tailored to your organization’s needs.

The attack surface encompasses all potential entry points that could be exploited against your security defenses, representing the total information you expose to external threats. It essentially reflects the vulnerabilities available for hackers to leverage in order to gain unauthorized access to your network. Professional hackers typically adhere to a strategy known as the cyber kill chain when selecting their targets. The initial phase of this approach involves a thorough assessment of the target's attack surface, often referred to as advanced reconnaissance. By effectively minimizing your attack surface, you can significantly lower the likelihood of successful cyberattacks. The cyber kill chain serves as a framework for identifying and monitoring every phase of a cyber intrusion, extending from the initial reconnaissance to the final data extraction process. This comprehensive understanding of the attack surface is crucial for developing robust cybersecurity measures.

Perimeter 81 is transforming the landscape of network security with its innovative SaaS solution that delivers tailored networking and top-tier cloud protection. By streamlining secure access to networks, clouds, and applications for today's distributed workforce, Perimeter 81 empowers businesses of all sizes to operate securely and confidently within the cloud. Unlike traditional hardware firewalls and VPNs, Perimeter 81 offers a cloud-based, user-focused Secure Network as a Service that utilizes Zero Trust and Software Defined Perimeter security frameworks. This modern approach not only enhances network visibility but also ensures effortless integration with leading cloud providers and facilitates smooth onboarding for users. The result is a comprehensive security solution that adapts to the needs of contemporary organizations while promoting a more agile and secure working environment.

Keep an eye on the data usage of each application on your computer with GlassWire's detailed network monitoring graph, which allows you to review both sent and received data over time while identifying the connections your PC is making. It effectively identifies spyware, malware, poorly behaving applications, and bandwidth-intensive programs, enabling you to block their connections using its robust firewall. You can also oversee all devices connected to your network and receive notifications when unfamiliar devices attempt to access your WiFi. Additionally, GlassWire alerts you to any network-related modifications to your computer or unusual alterations in your applications that may suggest the presence of malware, ensuring your system remains secure. This comprehensive monitoring helps you maintain control over your network environment and safeguard against potential threats.

GoodAccess is a cybersecurity solution focused on SASE/SSE, aimed at assisting mid-sized companies in effortlessly adopting Zero Trust Architecture (ZTA), no matter the intricacy or scale of their IT systems. Utilizing a Low-Code/No-Code methodology, GoodAccess allows for rapid, hardware-free implementations that can be completed within hours or days, thereby removing the necessity for extensive internal IT skills. The platform provides smooth integration with both contemporary cloud applications and older systems, ensuring the protection of vital resources for teams working remotely or in hybrid settings. Targeting organizations with employee counts ranging from 50 to 5000 across diverse sectors, GoodAccess is particularly ideal for those leveraging multi-cloud and SaaS frameworks, enhancing their overall security posture significantly. Additionally, this solution empowers companies to stay agile and secure in an increasingly digital landscape, fostering a robust defense against emerging cyber threats.

Complete cybersecurity solutions and automated patch management for expanding enterprises Avast Ultimate Business Security offers a top-tier next-gen antivirus combined with online privacy features and software for automating patch management, ensuring that your devices, data, and applications remain updated and protected. Key Advantages: * Management from a distance via an online administration console * Advanced device safeguarding through next-gen antivirus * Data security enhanced by Firewall, Ransomware Shield, USB Protection, and Password Protection * Online privacy and security features such as VPN, Web Shield, and Web Control * Efficient patch management system to streamline updates

Files that are not recognized may be downloaded onto your computer, and a duplicate will be forwarded to Threat Labs specialists to assess their safety. It conducts checks on web pages prior to them launching in your browser, enhancing your online browsing experience by providing a safety rating within search engine results. With the implementation of cloud-based proactive AI Detection and Real-Time Outbreak Detection, you receive improved safeguards against emerging malware threats. This system defends against various online security risks, including spam, viruses, hackers, and malware, while Anti-Spyware features shield you from spyware and adware that may compromise your personal information. Our security measures for Windows file servers ensure that your data remains confidential, secure, and inaccessible to cybercriminals. Furthermore, the Advanced File Shredder permanently removes files to avert any chances of unintended recovery. It conducts scans on your computer during idle periods, ensuring that your work is uninterrupted. Thus, this comprehensive solution takes care of your cybersecurity needs, allowing you and your team to focus on business operations without facing costly interruptions or distractions. Ultimately, this protection empowers your organization to operate more efficiently in an increasingly digital landscape.