Best Free Network Security Software of 2025 - Page 2

Pentest-Tools.com is built for actual security testing, not just detection. We provide the coverage, consolidation, and automation cybersecurity teams need to optimize vulnerability assessment workflows. And we ensure the depth, control, and customization on which professional pentesters count to increase engagement quality and profitability. ✔️ Comprehensive toolkit with real-world coverage ✔️ Validated findings rich with evidence ✔️ Automation options with granular control ✔️ Flexible, high-quality reporting ✔️ Workflow-friendly by design Optimize and scale penetration testing and vulnerability assessment workflows - without sacrificing accuracy, control, or manual testing depth. 🎯 Attack surface mapping and recon 🎯 Comprehensive vulnerability scanning 🎯 Vulnerability exploitation 🎯 Customizable pentest reporting and data exports 🎯 Continuous vulnerability monitoring In our company, we build what we use We launched Pentest-Tools.com in 2013 as a team of professional penetration testers - and we've kept that mindset ever since. Our experts still drive product development today, focusing relentlessly on accuracy, speed, and control. Every new feature, detection, and workflow comes from real-world experience. We constantly improve the product with updated attack techniques, smarter automation, and validation that reflects how malicious hackers actually operate - so your team can deliver security work that's faster, more visible, and built on proof.

Hybrid SIEM solutions combine real-time log monitoring with comprehensive system and network monitoring to provide users with a complete view of their servers, endpoints, and networks. The security event log normalization and correlation engine with descriptive emails alerts provides additional context. It presents cryptic Windows security incidents in easy-to-understand reports that provide insight beyond what is available as raw events. EventSentry's NetFlow component visualizes network traffic and can detect malicious activity. It also provides insight into bandwidth usage. EventSentry's ADMonitor component makes it easy to keep track of Active Directory changes. It records all changes to Group Policy objects and provides a complete user inventory that can be used to identify old accounts. There are many integrations and multi-tenancy options.

We offer the most user-friendly technology without sacrificing performance or features. We back it up with exceptional support and care delivered under a fair, cost-effective pricing model Our technology is used by small startups with big ideas, small budgets, and global enterprises. We love them all! Easy to use Load balancing, WAF, GSLB and SSO/Pre-Authentication. It is also the only true ADP Application Delivery Platform that allows for the enhancement of functionality and longevity using the app store or apps you create in-house.

Network Analyzer gives administrators an in-depth view of all network traffic sources and possible security threats. This allows system administrators to quickly gather high-level information about the health of the network and highly granular data to complete and thorough network analysis. Network Analyzer gives you a central view of all your network traffic and bandwidth data, as well as potential network compromises. The home dashboard gives you an overview of important netflow and sflow data sources, server system metrics, abnormal network behavior, and other network issues. It is a quick way to assess the health of your network. Users can drill down to view specific information on IPs, source ports, destination ports, or any combination thereof. Network Analyzer's advanced alerting capabilities and reporting capabilities give IT staff a better understanding of their network. For further analysis and tracking, you can access and archive highly detailed and down-to-the packet data.

NTFS permissions serve as a means to regulate access to files and folders within NTFS file systems. The NTFS Permissions Auditor facilitates the quick analysis, validation, and review of any NTFS folder permissions. With our complimentary version, users receive comprehensive audit results, while the Pro version enhances the experience with features like advanced, customizable filtering and the capability to export results in multiple formats. You can choose or import the directories you wish to audit, or even search for additional shares to include in your audit criteria. If desired, you can adjust further audit settings, or simply proceed with the default configurations. Once you hit ‘Audit,’ the tool will scan all folders along with their NTFS permissions. After the audit is completed, the results can be easily viewed or exported to a file. Installation is straightforward and requires no additional configuration, allowing users to get started immediately. The filtering system is robust, allowing for various conditions—utilize ‘And’ and ‘Or’ operators to refine your queries and obtain the precise information required. This makes the auditing process not only efficient but also highly customizable, catering to diverse user needs.

Xeams, a secure and powerful complete email server for Windows, Linux Solaris, MacOSX, and other flavors UNIX, is available. Xeams supports SMTP and POP3, as well as IMAP. It has a powerful spam filtering engine which eliminates up to 99 percent of junk mail upon installation. It is very user-friendly because it offers a flexible approach to email.

Fluxguard offers cloud-based website monitoring. Locate errors, defacement or other business-critical website modifications, even on complex web apps and multi-page, multistep sequences. Filter out irrelevant changes. To alert IT staff and business users to any changes to web pages, create simple rules. You can also delegate the analysis and monitoring to one of our Solution Architects, who will optimize monitoring and create a change report. Natural Language Processing is used to simplify monitoring. This allows variation detection of the extracted features of a document, such as people and products. These insights can be used to create compelling dashboards or unique interrelationship analysis. Staff remediation, analysis, and investigation will be done quickly with the change summaries. You will receive detailed reports as soon changes are detected.

SOC Prime equips security teams with the largest and most robust platform for collective cyber defense that cultivates collaboration from a global cybersecurity community and curates the most up-to-date Sigma rules compatible with over 28 SIEM, EDR, and XDR platforms. Backed by a zero-trust approach and cutting-edge technology powered by Sigma and MITRE ATT&CK®️, SOC Prime enables smart data orchestration, cost-efficient threat hunting, and dynamic attack surface visibility to maximize the ROI of SIEM, EDR, XDR & Data Lake solutions while boosting detection engineering efficiency. SOC Prime’s innovation is recognized by independent research companies, credited by the leading SIEM, XDR & MDR vendors, and trusted by 8,000+ organizations from 155 countries, including 42% of Fortune 100, 21% of Forbes Global 2000, 90+ public sector institutions, and 300+ MSSP and MDR providers. SOC Prime is backed by DNX Ventures, Streamlined Ventures, and Rembrandt Venture Partners, having received $11.5M in funding in October 2021. Driven by its advanced cybersecurity solutions, Threat Detection Marketplace, Uncoder AI, and Attack Detective, SOC Prime enables organizations to risk-optimize their cybersecurity posture.

CloudLAN is a secure virtual office that allows distributed teams to collaborate. CloudLAN allows users to connect all their computers through a single network. TeamVPN IP provides a roaming static IP that is not tied to an internet connection in a physical location. Additional features such as service casting and Host connect make remote work possible even for companies without an in-house technical team.

Banyan offers a secure access solution tailored for enterprises, replacing conventional network access methods such as VPNs, bastion hosts, and gateways with a cloud-based zero trust approach. This innovative platform enables users to connect to infrastructure effortlessly with just a single click, ensuring that private networks remain hidden. Its straightforward setup process guarantees high-performance connectivity, allowing for seamless automation of access to essential services while keeping private networks secure. Users can enjoy one-click access to various environments like SSH/RDP, Kubernetes, and databases, as well as hosted applications such as GitLab, Jenkins, and Jira, including command-line interface support. The system facilitates collaboration across both on-premises and cloud environments without the need for intricate IP whitelisting. Additionally, it streamlines deployment, onboarding, and management through tag-based resource discovery and publishing. The user-to-application segmentation is designed to be simple and cloud-delivered, optimizing for availability, scalability, and management ease. This superior user experience accommodates agentless, BYOD, and passwordless scenarios, providing convenient one-click access through a comprehensive service catalog. Ultimately, Banyan revolutionizes the way enterprises manage their access needs, enhancing security and efficiency significantly.

Protect your network from malware, tracking, and unwanted advertisements on every device connected to it. You have the flexibility to select individual devices, groups, or your entire network for protection. The software is straightforward to deploy and configure, with options for custom blocklists and exceptions. Blockade is a DNS-based server solution crafted to eliminate third-party tracking tools, analytics software, advertisements, and access to websites associated with malware across all internet-capable devices on your network. With just one server software license, you can shield all devices—ranging from computers and laptops to smartphones and smart TVs—from intrusive internet tracking and ads. Simply install Blockade on any Windows or Linux machine within your network that is not already serving DNS or web services. With Blockade in place, your network will remain free from advertisements, tracking, and analytical programs, ensuring a safer browsing experience for all users. This comprehensive protection offers peace of mind for families and organizations alike.

The way we work has changed. People can now work anywhere and not only from their office. Applications are now hosted in the cloud and not on-premise. The company network perimeter is now distributed across the internet. Traditional, network-centric VPNs for remote access are not only difficult to maintain and outdated, but also expose businesses to security risks. It is expensive and time-consuming to purchase, deploy, and maintain VPN infrastructure. Hackers can expose entire networks if they are unable to secure access at the application level. Twingate allows organizations to quickly implement a zero trust network that is more secure than VPNs. Twingate is a cloud-based service that allows IT teams to quickly set up a software-defined perimeter without having to change infrastructure. It also centrally manages user access to internal apps, no matter if they are in the cloud or on-prem.

When connected to a home Wi-Fi router, this IoT device establishes a new, secure network that rapidly neutralizes potential threats. The accompanying app is vital for setting up the device and also provides security alerts and insights that enhance users' understanding of cybersecurity. Through its security dashboard, comprehensive visibility into offsite networks is achieved, enabling the enforcement of high-grade policy controls in remote settings. The DuskRise solution is backed by the threat intelligence research and data analysis conducted by the Cluster25 team. Effectively manage threats by employing robust control and prevention filters alongside efficient detection and response mechanisms. Utilize our proprietary AI algorithms to sift through noisy network data and identify unusual behavior in real-time. By creating a secure network enclave, users can establish a segment that they can control and protect, regardless of the network environment. This added security layer not only strengthens the user’s overall network defense but also fosters a proactive approach to cybersecurity challenges.

enforza is a cloud-managed firewall platform designed to unify multi-cloud perimeter security. It offers robust firewall, egress filtering, and NAT Gateway capabilities, enabling consistent security policies across various cloud environments and regions. By transforming your Linux instances—whether on-premises or in the cloud—into managed security appliances, enforza provides a cost-effective alternative to AWS Network Firewall, Azure Firewall, and native NAT Gateways, all without data processing charges. Key Features: Simplified Deployment: Install the enforza agent on your Linux instance with a single command. Seamless Integration: Register your device through the enforza portal for centralized management. Intuitive Management: Easily create and enforce security policies across multiple environments via a user-friendly interface. With enforza, you can achieve enterprise-grade security without the complexity and costs associated with traditional cloud-native solutions.

Cloud-Fish offers robust protection for your sensitive data across various platforms, equipping your business with a strong defense against cyber threats and data breaches. Sensitive information related to your business, such as intellectual property and customer data, may reside on employees' devices, mobile gadgets, and external cloud services utilized by your organization. Safeguarding this critical information is essential to shielding your company from potential financial liabilities, regulatory infractions, and damage to its reputation. How do you maintain the security of sensitive data that is scattered across multiple platforms? Given that your organization operates both regionally and through global offshore offices, you might find it challenging to have a clear view and control over the activities within your offshore branches. Who is disseminating which information? To effectively address these challenges, it is vital to have the capability to monitor data flow and a reliable system in place to react promptly in the event of a cyber-attack or security breach. Without such measures, your company's sensitive data remains vulnerable to unauthorized access and exploitation.

Ensuring authentication and password security has become increasingly critical in today's digital landscape. Our powerful password audit software meticulously examines your Active Directory to pinpoint any vulnerabilities associated with passwords. The insights gathered yield a variety of interactive reports that detail user credentials and password policies in depth. Specops Password Auditor operates in a read-only mode and is offered as a free download. This tool enables you to evaluate your domain's password policies, as well as any fine-grained policies, to determine whether they facilitate the creation of robust passwords. It also produces comprehensive reports that highlight accounts with password weaknesses, such as those with expired passwords, reused passwords, or empty password fields. Beyond these valuable insights, Specops Password Auditor empowers you to assess how effective your policies are in resisting brute-force attacks. There is also a complete list of available password reports in the product overview for your convenience. Ultimately, leveraging this tool can significantly enhance your organization's overall security posture.

Aruba AirWave stands out as the sole multi-vendor solution for managing both wired and wireless networks, specifically tailored for mobile devices, users, and applications. By continuously assessing the health and performance of all connected entities, AirWave equips IT departments with essential insights to enhance the modern digital workplace. As the intricacies of network management escalate, so too do the dangers linked to compromised data flows. HPE Intelligent Management Center (IMC) provides extensive oversight across campus cores and data center networks, transforming irrelevant network data into valuable insights that keep both your network and business thriving. HPE's network and service management offerings facilitate telco networks from the core to the edge, empowering operators to capitalize on the opportunities presented by 5G technology. Additionally, they streamline the management of data centers and Fibre Channel (FC) storage area network (SAN) infrastructures, while the HPE IMC Branch Intelligent Management System enables remote oversight of Customer Premises Equipment (CPE). This comprehensive approach ensures that businesses can maintain efficient and secure network operations in an increasingly digital landscape.

Every application should have security integrated into its framework. A comprehensive application security platform empowers teams to safeguard their software, enhance transparency, and secure their codebase. It ensures the protection of applications by thwarting data breaches, preventing unauthorized account access, and mitigating attacks on business logic. By improving transparency, it allows for real-time incident monitoring, optimizes incident response, and automates the management of your application inventory. Securing the code involves identifying critical vulnerabilities, addressing them promptly, and embedding security throughout the Software Development Life Cycle (SDLC). Through a unified platform, users can protect, monitor, and evaluate their applications, adopting a comprehensive security strategy. Additionally, it offers the capability to analyze application execution logic in real-time, enhancing security measures without sacrificing performance. Furthermore, sandboxed microagents are designed to intelligently adapt to the changing landscape of applications and potential threats, all while minimizing the need for ongoing maintenance. This dynamic approach ensures that security remains a priority in an ever-evolving digital environment.

RBLTracker offers user-friendly, real-time monitoring of blacklists for your email, website, and social media platforms. By collating data from numerous sources, we ensure comprehensive monitoring coverage. Users receive immediate, multi-channel alerts if any of their hosts appear on a blacklist. Our services come with flexible pricing options, including a monthly subscription and a customizable pay-per-check plan. Our API can be seamlessly integrated into your provisioning and monitoring workflows. Whether managing a single IP address or thousands, our platform simplifies the process. This gives you peace of mind, knowing your customers can reach you securely. As a frontrunner in blacklist monitoring, RBLTracker conducts over 650,000 checks daily for thousands of clients across more than 45 countries. We are proud to be the only provider offering URIBL, Safe Browsing, Threat Exchange, and DNS Security monitoring tailored for your email, websites, and social media. Experience the ease of managing thousands of IP addresses with the same simplicity as a single one, ensuring robust protection for your online presence. With RBLTracker, you can focus on your business while we handle your blacklist monitoring needs efficiently.

Lynis Enterprise specializes in security scanning for Linux, macOS, and Unix operating systems, enabling users to quickly identify and resolve issues so they can redirect their attention to their core business and projects. This targeted approach is relatively uncommon in an industry saturated with diverse services and software solutions, as we concentrate specifically on Linux and Unix security. The main goal of Lynis is to conduct thorough health checks of systems, which also aids in identifying vulnerabilities and weaknesses in configuration management. As a robust software solution, Lynis Enterprise facilitates security auditing, compliance testing, and the implementation of system hardening measures. With Lynis at its core, this software is tailored for use in environments that utilize Linux, macOS, or other Unix-like systems. Furthermore, Lynis provides valuable insights that empower organizations to enhance their overall security posture effectively.

PerfectMail boasts an impressive filter accuracy rate of over 99%, with fewer than 0.1% of legitimate emails mistakenly marked as spam. It intelligently adapts to understand the communication habits of its users and their regular contacts, ensuring that important messages are never blocked. The only instances where PerfectMail may face challenges are with emails from unfamiliar senders, which minimizes the risks commonly associated with spam filtering. In contrast to traditional spam filters that operate by receiving, queuing, filtering, and then delivering emails, often resulting in delays and unnoticed blocks of legitimate messages, PerfectMail employs a real-time filtering approach. This innovative method allows it to assess messages as they come in, immediately notifying senders if their emails are being blocked. Additionally, PerfectMail's antispam engine is developed in C, recognized as the fastest programming language globally, further enhancing its performance. This combination of real-time processing and rapid coding ensures that users experience a seamless email communication environment.

Secure Cell serves as a versatile cryptographic container designed for the secure storage of various types of data, ranging from encrypted documents to database entries. It effectively encrypts data that is at rest and utilizes advanced encryption standards such as AES-256-GCM and AES-256-CTR. For encrypted communication, Secure Message offers a straightforward solution that caters to a broad spectrum of applications, enabling users to send encrypted and signed messages securely between individuals or from client to server, thus mitigating the risk of man-in-the-middle (MITM) attacks and preventing the leakage of singular secrets. It employs a combination of ECC with ECDSA and RSA integrated with PSS and PKCS#7 for robust security. Additionally, the Secure Comparator allows users to verify identities through a zero-knowledge proof protocol, facilitating secret comparisons over untrusted channels without exposing sensitive information or risking reuse attacks. Meanwhile, Secure Session provides an encrypted data exchange mechanism that is session-based and incorporates forward secrecy, enhancing security for more sophisticated infrastructures. By integrating these technologies, users can ensure a higher level of safety and confidentiality in their digital communications and data management.

The ability to edit and erase messages, as well as automatically delete them, clear chat windows, and completely wipe history is essential. Users can remotely disconnect devices, utilize a false secret phrase, and enable auto-lock and auto-logout features when inactive. There are options to hide contacts and create blacklists, along with tailored visibility settings for each contact and the ability to configure contact permissions. Tasks can be assigned to oneself and coworkers, with progress tracking to ensure accountability. Additionally, users can securely store and manage passwords, sharing them with contacts when necessary. Collaboration is enhanced by establishing team goals and overseeing the resolution of various issues, fostering a productive work environment. This comprehensive set of features significantly improves communication and organization within any team.

Sophos UTM elevates threat prevention to unprecedented heights. At the core of Sophos Sandstorm is an advanced deep learning neural network, a sophisticated type of machine learning that effectively identifies both familiar and unfamiliar malware without depending on traditional signatures. Notably, Sophos UTM 9.4 stands out as one of the pioneering products to incorporate our state-of-the-art next-gen cloud sandboxing technology. Sandstorm significantly enhances protection against ransomware and targeted attacks while providing comprehensive visibility and analytical capabilities. It swiftly and accurately detects evasive threats before they infiltrate your network. Furthermore, it delivers exceptional value by offering enterprise-quality protection without the burden of exorbitant costs or complexities. You can fortify your web servers and Microsoft Enterprise Applications against cyber threats while ensuring secure access for external users through reverse proxy authentication. Additionally, our unique all-in-one solution guarantees complete SMTP and POP message protection from spam, phishing attempts, and data breaches, enhancing your overall cybersecurity posture. Ultimately, Sophos UTM equips businesses with robust tools to safeguard their digital assets effectively.

Enhance your security posture with LevelBlue USM Anywhere, a cutting-edge open XDR platform tailored to adapt to the dynamic nature of your IT environment and the increasing demands of your enterprise. Featuring advanced analytics, comprehensive security orchestration, and automation capabilities, USM Anywhere provides integrated threat intelligence that accelerates and sharpens threat detection while facilitating smoother response management. Its unparalleled flexibility is highlighted by a wide array of integrations, known as BlueApps, which improve its detection and orchestration capabilities across numerous third-party security and productivity applications. Additionally, these integrations allow for seamless triggering of automated and orchestrated responses, making security management more efficient. Take advantage of a 14-day free trial today to see how our platform can transform your approach to cybersecurity and help you stay ahead of potential threats.