SaaS security vendors
We list 22 companies active in SaaS security, and 2 of them have it as their main focus. 5 are public, 3 are owned by another company and 14 are private. Most are based in the United States (18). The oldest, Microsoft, was founded in 1975. By revenue from annual reports, the largest company here is Microsoft ($331.8bn in FY2026).
By countryUnited States 18
Companies focused on SaaS security
2 companies| Company | Based in | Founded | Size | Ownership | Revenue |
|---|---|---|---|---|---|
 AppOmni AppOmni provides a platform to secure SaaS applications and AI environments for enterprises. | San Mateo, United States | 2018 | Private | ||
 Obsidian Security Obsidian Security provides security for third-party applications and AI agents. | Palo Alto, United States | Private |
Also active in SaaS security
20 companies| Company | Based in | Founded | Size | Ownership | Revenue |
|---|---|---|---|---|---|
 Microsoft Microsoft sells software, cloud services, hardware, and gaming products. | Redmond, United States | 1975 | 228,000 staff | Public, MSFT | $331.8bn (FY2026) |
 Palo Alto Networks Palo Alto Networks provides cybersecurity platforms and services to protect organizations from cyber threats. | Santa Clara, United States | 2005 | 13,900 staff | Public, PANW | $11.5bn (FY2026) |
 CrowdStrike CrowdStrike provides AI-native cybersecurity solutions to stop breaches. | Austin, United States | 2011 | 7,925 staff | Public, CRWD | $4.8bn (FY2026) |
 Zscaler Zscaler provides a cloud-native zero trust cybersecurity platform that securely connects users, devices, and applications. | San Jose, United States | 2007 | Public, ZS | $3.4bn (FY2026) | |
 Netskope, Inc Netskope provides cloud security and networking services for organisations. | Santa Clara, United States | 2012 | Public, NTSK | $709.0m (FY2026) | |
 Acronis Acronis provides cybersecurity, data protection and IT automation software for service providers and businesses. | Schaffhausen, Switzerland | 2003 | 2,000 staff | Owned by EQT | |
 dope.security dope.security sells a secure web gateway called dope.swg. | Mountain View, United States | 2021 | Private | ||
 Druva Druva provides a fully managed SaaS platform for data backup, recovery, and cyber resilience. | Sunnyvale, United States | 2008 | Private | ||
 Fendr Fendr provides AI usage controls for businesses. | London, United Kingdom | 2025 | Private | ||
 Harmonic Security Harmonic Security provides software that discovers, classifies and controls how employees use AI tools at work. | San Francisco, United States | 2023 | Private | ||
 Island Island provides an enterprise browser that integrates security, IT, and AI-powered productivity for organisations. | Dallas, United States | Private | |||
 LastPass LastPass provides password management and access control software for individuals and businesses. | United States | 2008 | Owned by Francisco Partners and Elliott Investment Management | ||
 Lookout Lookout provides mobile security solutions that protect devices and data from cyber threats. | Boston, United States | Private | |||
 Reco Reco provides an AI agent security platform that maps, governs, and protects AI agents across enterprise applications. | Altamonte Springs, United States | Private | |||
 Skyhigh Security Skyhigh Security provides data-first security service edge for cloud and hybrid environments. | San Jose, United States | 2011 | Private | ||
 Virtru Virtru provides encryption and access control for email, files, and SaaS applications. | Washington, United States | 2012 | Private | ||
 Zenity Zenity provides security and governance for AI agents and low-code applications. | Tel Aviv, Israel | 2021 | Private | ||
 Safetica Technologies Safetica provides AI-powered data protection, insider risk, cloud security, and compliance software. | San Jose, United States | 2007 | Private | ||
 Veza Veza provides an identity security platform that manages access to data across cloud and on-premises systems. | Los Gatos, United States | 2020 | Part of ServiceNow | ||
 Vireo Sentinel Vireo Sentinel provides browser-based AI governance to monitor and protect sensitive data. | Perth, Australia | 2025 | Private |
Recent deals in SaaS security
All SaaS security dealsAcquisitions come from SecurityWeek's monthly M&A round-ups from 2021 onwards, from Cybersecurity Ventures' quarterly M&A reports for 2020, and a few from Wikipedia lists. These are dated to the month. A few deals added from the news are dated to the day. Smaller deals may be missing. Amounts are in US dollars.