Compare the Top Cloud Security Software for Linux as of June 2025

What is Cloud Security Software for Linux?

Cloud security software consists of tools, software, and services designed to protect data, applications, and infrastructure associated with cloud environments. It addresses unique security challenges posed by the cloud, such as data breaches, unauthorized access, and compliance with regulatory standards. These solutions often include features like encryption, identity and access management, intrusion detection systems, and security information and event management (SIEM). By implementing cloud security software, organizations can safeguard their cloud-based assets from cyber threats and ensure the integrity and confidentiality of sensitive information. As businesses increasingly adopt cloud services, robust cloud security measures have become essential for maintaining operational continuity and customer trust. Compare and read user reviews of the best Cloud Security software for Linux currently available using the table below. This list is updated regularly.

  • 1
    SpamTitan

    SpamTitan

    TitanHQ

    SpamTitan email security is an email spam filter for businesses, smbs, MSPs, and schools. SpamTitan email security blocks spam as well as phishing and day-zero attacks, viruses, malware, ransomware, and other email threats. Helps control mail flow, clean it, and protect against unwanted email. We provide easy-to-use yet advanced email security for businesses, smbs and MSPs that are Office365 friendly. SpamTitan - Premium functionality included: • CEO Impersonation protection • Phishing/ Spear phishing protection • Link analysis • Full Sandboxing • Zero Day Attacks protection • Mail Spooling • Spoofing protection • Malware and Ransomware protection • SPF/DKIM/DMARC checking • Encryption • Fully multitenant environment • Ability to rebrand the entire UI • Full REST API: • Comprehensive support and set up docs Try a FREE, fully supported trial of SpamTitan Email Security today.
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    Starting Price: $2.14/user/month
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  • 2
    SafeDNS

    SafeDNS

    SafeDNS

    At SafeDNS, we are committed to creating a safer and more secure online environment for SMBs, enterprises, ISPs, MSPs, OEMs, and Education. We have a global footprint, making the internet safer for millions of users in over 60 countries. With years of experience in the field of cybersecurity and DNS filtering, we offer cutting-edge solutions to safeguard your digital life. At present, SafeDNS serves more than 4000 businesses and institutions, and tens of thousands of home users worldwide. We do: -Web content filtering. We help you block all dangerous or unwanted websites such as pornography, violence, child sexual abuse and similar categories. -Malware protection. We also have your back against malicious sites trying to breach user devices either with viruses or information theft intent. -Cloud service. Additionally, we provide you with a cloud filtering service that requires no additional hardware purchase or software installation.
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    Starting Price: $0.9/user/month
  • 3
    Datadog

    Datadog

    Datadog

    Datadog is the monitoring, security and analytics platform for developers, IT operations teams, security engineers and business users in the cloud age. Our SaaS platform integrates and automates infrastructure monitoring, application performance monitoring and log management to provide unified, real-time observability of our customers' entire technology stack. Datadog is used by organizations of all sizes and across a wide range of industries to enable digital transformation and cloud migration, drive collaboration among development, operations, security and business teams, accelerate time to market for applications, reduce time to problem resolution, secure applications and infrastructure, understand user behavior and track key business metrics.
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    Starting Price: $15.00/host/month
  • 4
    FlashStart

    FlashStart

    FlashStart Group Srl

    FlashStart is a global, cloud-based cyber security platform that specializes in DNS filtering with the support of artificial intelligence. It protects against malware and unwanted contents by classifying domains into eighty-five categories, using machine learning with high predictive capability and incorporating government blacklists and warnings for high-risk sites. It offers global coverage, thanks to Anycast Network, which is among the fastest and most stable in the world. It presents advanced and exclusive features, like geographically based protection. Easy installation, centralized multi-tenant management, filter customization, and maximum cost-effectiveness make FlashStart the optimal cloud solution for businesses, PAs, schools, households, etc.
    Starting Price: $0.90/month
  • 5
    Acra

    Acra

    Cossack Labs

    Data leakage prevention in your app made simple. Acra encryption suite provides data protection in distributed applications, web and mobile apps with PostgreSQL, MySQL, KV backends through selective encryption. Encryption of sensitive and personal data is mandated by regulations (GDPR, HIPAA, CCPA, PCI DSS) and industry best practices. However, building cryptography into distributed application is often a tedious task, which has a limited security impact and plenty of architectural trade-offs. Acra is here to change it. Acra is one tool that covers 9 data security controls. Acra is built to mitigate data leakage risks while providing defense in depth across the whole data lifespan within the application. Acra is easy to integrate, doesn't require significant modifications in the existing code, provides reliable data security, reduces MTTD and MTTR. Acra provides an integration library that can encrypt any record with AcraServer’s key.
    Starting Price: $10000 per year
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