Best Ransomware Protection Software for Linux of 2025

Introducing our cutting-edge anti-ransomware encryption technology—an innovative solution that operates entirely without signatures. This state-of-the-art product safeguards your devices from harmful encryption efforts associated with ransomware attacks. Ensure the safety of your endpoints and network by defending against even the most sophisticated ransomware threats, continuously and in real-time.

For IT professionals to stop ransomware, you need to do more than look for threats. ThreatLocker helps you reduce your surface areas of attack with policy-driven endpoint security and change the paradigm from only blocking known threats, to blocking everything that is not explicitly allowed. Combined with Ringfencing and additional controls, you enhance your Zero Trust protection and block attacks that live off the land. Discover today the ThreatLocker suite of Zero Trust endpoint security solutions: Allowlisting, Ringfencing, Elevation Control, Storage Control, Network Access Control, Unified Audit, ThreatLocker Ops, Community, Configuration Manager and Health Center. 

Control D is a customizable DNS filtering and traffic redirection platform that leverages Secure DNS protocols like DNS-over-HTTPS, DNS-over-TLS and DNS-over-QUIC, with support for Legacy DNS. With Control D you can: block malicious threats, block unwanted types of content network wide (ads & trackers, IoT telemetry, adult content, socials, and more), redirect traffic using transparent proxies and gain visibility on network events and usage patterns, with client level granularity. Think of it as your personal Authoritative DNS resolver for the entire Internet that gives you granular control over what domains get resolved, redirected or blocked.

SpamTitan email security protects businesses, schools, smbs and MSPs from spam. SpamTitan email security protects against spam, phishing, day-zero attacks and viruses, malware, ransomware and other threats to email. It helps to control mail flow, clean it, protect against spam, and protect against unwanted email. We offer easy-to-use, yet powerful email security for businesses, smbs, and MSPs that is Office365-friendly. SpamTitan Email Security is available for a free, fully supported trial. SpamTitan – Premium functionality included * CEO Impersonation protection * Spearphishing Protection/ Phishing * Link analysis * Full Sanding * Zero Day Attacks protection * Mail Spooling * Spoofing protection * Ransomware and Malware Protection * SPF/DKIM/DMARC checking * Encryption * Fully multi-tenant environment * Ability to rebrand entire UI * Full REST API * Set up documents and support SpamTitan Email Security is the best solution in the G2 Crowd Email Security. Start your free trial today!

ESET Protect Advanced offers a comprehensive cybersecurity solution for businesses of any size. It offers advanced endpoint security against ransomware and zero-day threats. It also includes full disk encryption to ensure legal compliance and data security. The solution uses adaptive scanning, cloud sandboxing and behavioral analysis for proactive cloud-based threats defense. Mobile threat protection secures Android and iOS with anti-malware and anti-theft. It also offers cloud app security, mail server protection, vulnerability and patch management, and cloud app protection. Multi-factor authentication and extended detection and reaction (XDR) improve threat detection and response. The solution provides a single pane of glass remote management to provide visibility into threats and users. It also offers advanced reporting and customized notifications.

Unitrends Unified Backup offers a complete, agile and secure platform to protect all of your data. Managed through a single portal, Unitrends offers backup and disaster recovery for on-premises workloads, SaaS applications, cloud workloads and remote endpoints. Automation and artificial intelligence are injected into the platform providing end-to-end protection from cybercrime, human error and natural disasters. Integrations with market-leading security, remote management and documentation tools simplify workflows, increase efficiency and deliver 100% confidence in any recoveries to come.

NAKIVO Backup & Replication provides a top-rated, fast, and affordable backup, ransomware recovery, and disaster recovery solution that works in virtual, physical and cloud environments. The solution provides outstanding performance, reliability and management for SMBs, enterprises and MSPs.

Guardian Digital protects against email threats such as phishing, zero day exploits, and crippling ransomware attacks. These are just some of the many threats email users face every single day. Email security is a business security issue, as more than 90% of cyber attacks originate in an email. A purpose-driven solution is the best way to protect email. It closes critical security gaps in Microsoft 365 and Google Workspace. It also provides remote support, expert setup and ongoing remote management. We provide real-time cybersecurity business insight to help you assess your current risk profile and protect you against the threats that all businesses face when using email.

ESET PROTECT Complete serves as a holistic cybersecurity solution aimed at securing business endpoints, cloud services, and email infrastructures. It employs cutting-edge measures to defend against ransomware and zero-day vulnerabilities, utilizing cloud sandboxing technology alongside machine learning-enhanced detection methods. Additionally, it offers full disk encryption features that support adherence to data protection laws. The solution extends its robust protections to mobile devices, file servers, and email servers, integrating anti-malware, anti-phishing, and anti-spam functionalities. With its centralized management console hosted in the cloud, organizations can efficiently deploy, monitor, and respond to security threats. Furthermore, it includes essential vulnerability and patch management tools, ensuring that any software weaknesses are swiftly detected and rectified. This comprehensive approach not only fortifies the organization's cybersecurity posture but also simplifies the overall management of security protocols and responses.

ESET PROTECT Elite serves as a top-tier cybersecurity platform designed for enterprises, seamlessly combining extensive detection and response capabilities with a robust multilayered defense system. Utilizing cutting-edge techniques like adaptive scanning, machine learning, cloud sandboxing, and behavioral analysis, it effectively combats zero-day vulnerabilities and ransomware threats. The solution delivers modern endpoint protection for both computers and mobile devices, along with server security that ensures real-time data safety and mobile threat defense. Additionally, it incorporates full disk encryption, which aids organizations in meeting data protection compliance requirements. ESET PROTECT Elite also boasts powerful email security features that encompass anti-phishing, anti-malware, and anti-spam measures, while providing protection for cloud applications such as Microsoft 365 and Google Workspace. Its vulnerability management and patch capabilities automate the identification and remediation of security flaws across all endpoints, fostering a proactive approach to cybersecurity. Overall, ESET PROTECT Elite is a comprehensive solution that addresses the evolving challenges of modern cybersecurity threats.

Minimize downtime and safeguard your clients' data while reducing expenses. Acronis Cyber Protect Cloud stands out as the sole solution that seamlessly combines cybersecurity, data protection, and management, ensuring the safety of endpoints, systems, and data. This integrated approach simplifies processes, enabling service providers to offer superior protection to their customers at a more affordable price. With cutting-edge cybersecurity measures in place, it features an advanced AI-driven behavioral detection engine designed to thwart zero-day attacks. Additionally, it guarantees dependable backup and recovery options, offering both full-image and file-level backups, as well as disaster recovery solutions and metadata collection for security forensics. The platform is tailored for managed service providers (MSPs), incorporating protection management features such as URL filtering, vulnerability assessments, and patch management to enhance control. In contrast, the conventional array of endpoint protection products suffers from a lack of integration, resulting in greater time demands for management, including tasks like maintaining licenses, installing updates and patches, verifying compatibility following updates, and juggling multiple policies across various user interfaces. By choosing Acronis, service providers can streamline their operations and improve their overall service quality.

SC//Platform delivers faster time to value in the data centre, distributed enterprise, or at the edge. Scale Computing Platform combines simplicity, high availability, and scalability. It replaces the existing infrastructure and provides high availability for running VMs on a single, easy to manage platform. Fully integrated platform for running your applications. No matter what your hardware requirements are, the same innovative software and user interface gives you the ability to manage infrastructure efficiently at the edge. Reduce administrative tasks and save valuable time for IT administrators. SC//Platform's simplicity directly impacts IT productivity and costs. You can't predict the future, but you can plan for it. Mix and match old and newly developed hardware and applications to create a future-proof environment that can scale as needed.

Faced with an increasingly menacing threat landscape and limited resources, Vali Cyber is ready to assist you. Strengthen your infrastructure by implementing lockdown rules that minimize your attack surface and thwart potential intrusions; additionally, secure your Linux endpoints and enforce multi-factor authentication (MFA) for SSH access, even in environments without direct connections, to uphold a zero-trust framework. Leverage AI and machine learning for rapid detection and prevention of malware, effectively combating ransomware, cryptojacking, and Wiperware—including those elusive and fileless forms—ensuring consistent performance whether on-premises or in the cloud. To maintain operational continuity, utilize fully automated remediation processes that execute in milliseconds, swiftly repairing file system damages and eliminating any attempts to establish persistence for future attacks, thus fortifying your defenses against evolving threats. By collaborating with Vali Cyber, you can enhance your cybersecurity posture and better safeguard your organization against emerging risks.

CryptoSentry is a solution that effectively halts ransomware attacks. After being installed on your team’s devices, it continuously observes for any unusual encryption behaviors. Ransomware has emerged as one of the most rapidly expanding cyber threats in recent years, posing a serious risk to your organization unless you take proactive measures to halt the encryption of critical files before you become a victim. Headlines in the news regularly highlight the destructive aftermath of ransomware attacks, including those from notorious variants such as WannaCry, Petya, and others like CryptoWall, CryptoLocker, and Locky, all of which have severely impacted both productivity and financial resources. Given that ransomware specifically targets the availability of data, our CryptoSentry is engineered to block access to data, effectively preventing file encryption from occurring. With its installation on your employees’ devices, it remains vigilant in monitoring for any suspicious encryption activities. Should its sophisticated algorithms identify a potential threat, CryptoSentry will take immediate action to thwart file encryption, ensuring that your valuable data remains secure. This proactive approach can greatly reduce the risk of devastating ransomware incidents affecting your business.