--- title: "Data First Security Master Guide: Securing Data From the Inside Out" description: Download this free master guide to data-first security to learn how to protect your business against evolving data threats including exfiltration and ransomware attacks. image: https://info.calamu.com/hubfs/DFS%20Guide/Book-transparant.png --- ✨ Calamu featured in Gartner Emerging Tech Report. [Learn more. ](https://www.calamu.com/press-release/calamu-featured-in-gartner-emerging-tech-report) **We’re hiring!** [**Open Positions**](https://info.calamu.com/careers#open-positions) - Product - - [Data Harbor The world's most secure and resilient solution to prevent cyber attacks on data. Prevent cyber attacks on data.](https://www.calamu.com/data-harbor) - - [Patented Process](https://www.calamu.com/calamu-process) - Solutions - - [Data Harbor The #1 cyber vault for backup and recovery applications The #1 cyber vault for backup and recovery applications](https://www.calamu.com/data-harbor) - - [Calamu for Veeam](https://www.calamu.com/veeam) - [Calamu for Veritas](https://www.calamu.com/veritas) - [Calamu for Dell](https://www.calamu.com/dell) - [Calamu for Nutanix](https://www.calamu.com/nutanix) - [Calamu for Wasabi](https://www.calamu.com/wasabi) - [Calamu for StarWind](https://www.calamu.com/starwind) - [S3-Compatible Data Harbor](https://www.calamu.com/calamu-for-backups) - Resources - - [Blog](https://www.calamu.com/blog) - [All Resources](https://www.calamu.com/resources) - Company - - [Calamu Named in Gartner Hype Cycle Report The inclusion is a testament to Calamu's innovative approach and role in shaping cyberstorage. The inclusion is a testament to Calamu's innovative approach and role in shaping cyberstorage.](https://www.calamu.com/press-release/calamu-named-sample-vendor-in-gartner-2024-hype-cycle-report) - - [About](https://www.calamu.com/about) - [News](https://www.calamu.com/news-press) - [Careers](https://www.calamu.com/careers) - [Partners](https://www.calamu.com/partners) - [Contact Us](https://www.calamu.com/contact-us) [Contact Sales](https://www.calamu.com/contact-sales) [Login](https://www.calamuprotect.com/login) # Free Master Guide to Understanding Data Threats Free guide explains how to protect your business against data theft, exfiltration and double extortion attacks.   [DOWNLOAD NOW](https://info.calamu.com/data-first-security-master-guide#download-now) ![Calamu_MFCover_Mockup](https://info.calamu.com/hubfs/Calamu_MFCover_Mockup.png) ## 83% of Ransomware cases involve ## data theft and double extortion Get the FREE ultimate guide to securing against multi-stage attacks ## Join the Data-First Security Movement Today   The free Master Guide to Data-First Security walks through this revolutionary approach to data security and offers expert insights on: ![Placeholder Icon](https://info.calamu.com/hubfs/theme-calamu/icons/lifeline.svg) #### **Understanding data and modern day challenges** ![Placeholder Icon](https://info.calamu.com/hubfs/theme-calamu/icons/anchor.svg) #### **Evolving data threats including multi-stage ransowmare and data exfiltration** ![Placeholder Icon](https://info.calamu.com/hubfs/theme-calamu/icons/award.svg) #### **How a data-first security strategy works to protect corporate data even during an attack** ![Placeholder Icon](https://info.calamu.com/hubfs/theme-calamu/icons/life%20buoy.svg) #### **Ten steps to build resiliency and secure data** ### Free Download > At Calamu our mission is to make the cyber world safer. Our first-of-its kind data protection platform is based upon these three core beliefs: data should be able to withstand any breach, be valueless to cyber attackers, and be globally compliant. > > **PAUL LEWIS, FOUNDER / CEO** Recognized by: ![CRN Logo](https://info.calamu.com/hs-fs/hubfs/theme-calamu/logos/logo--crn.png?) ![VentureBeat Logo](https://info.calamu.com/hs-fs/hubfs/theme-calamu/logos/logo--venture-beat.png?) ![TechTarget Logo](https://info.calamu.com/hs-fs/hubfs/theme-calamu/logos/logo--tech-target.png?) ![451 Research Logo](https://info.calamu.com/hs-fs/hubfs/theme-calamu/logos/logo--451.png?) ![Security Week Logo](https://info.calamu.com/hs-fs/hubfs/theme-calamu/logos/logo--security-week.png?) ![inc logo](https://info.calamu.com/hs-fs/hubfs/inc%20logo.png?width=2000&name=inc%20logo.png) ![cyber defense magazine logo](https://info.calamu.com/hs-fs/hubfs/cyber%20defense%20magazine%20logo.png?width=580&height=166&name=cyber%20defense%20magazine%20logo.png) Main Street, Clinton, NJ, 08809, US   **[+1 929-450-4200](tel:9294504200)** **[info@calamu.com](mailto:info@calamu.com)** - Why Calamu - [Calamu Protect™](https://www.calamu.com/calamu-protect) - [Our Patented Process](https://www.calamu.com/calamu-process) - [FAQs](https://www.calamu.com/faq) - Solutions - [S3-Compatible](https://www.calamu.com/calamu-for-backups) - [Veeam](https://www.calamu.com/veeam) - [Dell](https://www.calamu.com/dell) - [Veritas](https://www.calamu.com/veritas) - [Nutanix](https://www.calamu.com/nutanix) - [Wasabi](https://www.calamu.com/wasabi) - [Starwind](https://www.calamu.com/starwind) - [Regulatory Compliance](https://www.calamu.com/solution/compliance/) - Resources - [Resources](https://www.calamu.com/resources) - Company - [About](https://www.calamu.com/about) - [News](https://www.calamu.com/news-press) - [Careers](https://www.calamu.com/careers) - [Partners](https://www.calamu.com/partners) - Connect - [Contact Us](https://www.calamu.com/contact-us) - [Get a Demo](https://www.calamu.com/get-started) © 2026 Calamu Technologies Corporation. 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