| May 2026 | Socket raised a Series C roundInvestor Thrive Capital | SCA, Software supply chain and SBOM | $60m | Report on the Socket funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Ripjar raised private equity fundingInvestor Long Ridge Equity Partners | Threat intel, Threat intelligence | Undisclosed | Report on the Ripjar funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Quantum Bridge raised a Series A roundInvestor Primo Capital | Encryption, Encryption and key management | $8m | Report on the Quantum Bridge funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Provision IAM raised fundingInvestor Georgia's Own Credit Union | IAM, Identity and access management | $1.5m | Report on the Provision IAM funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Orbik Cybersecurity raised fundingInvestor MONDRAGON | Vulnerability management | $2.2m | Report on the Orbik Cybersecurity funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Ocean raised a Series A roundInvestor Lightspeed Venture Partners | Email security | $20m | Report on the Ocean funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Magier AI raised a pre-seed round | DLP, Data loss prevention | $25k | Report on the Magier AI funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Liongard raised debt funding | Vulnerability management | $3.5m | Report on the Liongard funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Infrawatch raised a pre-seed roundInvestors Outward VC and Triple Point Ventures | Threat intel, Threat intelligence | $3m | Report on the Infrawatch funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Cyber Defense Africa raised debt fundingInvestor Bank Gospodarstwa Krajowego | MSSP, Managed security services | $27.4m | Report on the Cyber Defense Africa funding round of May 2026 (opens in a new tab) |
| May 2026 | ComplyDo raised a pre-seed roundInvestor Y Combinator | GRC, GRC and compliance automation | $1.3m | Report on the ComplyDo funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Cequra raised fundingInvestor Motion Ventures | OT security, OT and ICS security | Undisclosed | Report on the Cequra funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Zealot raised a seed roundInvestor Khosla Ventures | AI security, AI and LLM security | Undisclosed | Report on the Zealot funding round of May 2026 (opens in a new tab) |
| May 2026 | Yige Cloud Technology raised a Series B roundInvestor Monolith Management | SASE, SASE and SSE | Undisclosed | Report on the Yige Cloud Technology funding round of May 2026 (opens in a new tab) |
| May 2026 | White Circle raised a seed roundInvestor Hummingbird Ventures | AST, Application security testing | $11m | Report on the White Circle funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Secludy raised a seed roundInvestor Impression Ventures | DLP, Data loss prevention | $4m | Report on the Secludy funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Quantropi raised funding | Encryption, Encryption and key management | $1.2m | Report on the Quantropi funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Prikus raised a seed round | Pen testing, Penetration testing | $2.5m | Report on the Prikus funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Lyrie.ai raised a pre-seed round | MSSP, Managed security services | $2m | Report on the Lyrie.ai funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | High Entropy Security raised a pre-seed round | MFA, MFA and passwordless authentication | $500k | Report on the High Entropy Security funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Hacktron AI raised a seed roundInvestor Crane Venture Partners | Vulnerability management | $2.9m | Report on the Hacktron AI funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Grego AI raised a seed roundInvestor cyber•Fund | Vulnerability management | Undisclosed | Report on the Grego AI funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Frame Security raised fundingInvestors Index Ventures, Picture Capital and Team8 | Awareness training, Security awareness and human risk | $50m | Report on the Frame Security funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | ExecLayer Inc raised a pre-seed round | AST, Application security testing | Undisclosed | Report on the ExecLayer Inc funding round of May 2026 (opens in a new tab) |
| May 2026 | Exaforce raised a Series B roundExaforce provides an agentic AI platform for security operations, detection, triage, investigation and response.Investors AICONIC Ventures, HarbourVest Partners, Khosla Ventures, Mayfield Fund, Peak XV Partners and 1 more | Agentic SOC, Agentic SOC tools | $125m | Report on the Exaforce funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | e4n raised funding | MSSP, Managed security services | $12.5m | Report on the e4n funding round of May 2026 (opens in a new tab) |
| May 2026 | Cimento raised a pre-seed roundInvestors Bowery Capital and Indie.vc | Awareness training, Security awareness and human risk | $3m | Report on the Cimento funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | CAMA Security received a grantInvestor South Carolina Research Authority | IoT security, IoT, embedded and product security | $25k | Report on the CAMA Security funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | XBOW raised a Series C roundInvestors Accenture Ventures, DNX Ventures, Liberty Global Ventures, NVentures, Samsung Ventures and 1 more | AST, Application security testing | $35m | Report on the XBOW funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Secrets Vault raised a seed roundInvestor Archipelago Next | MFA, MFA and passwordless authentication | Undisclosed | Report on the Secrets Vault funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Herd Security raised a seed roundInvestors Brian Bell, Forward Slash Capital, Team Ignite Ventures, Young Presidents Organization (YPO) and Aspiron Ventures | Awareness training, Security awareness and human risk | $3m | Report on the Herd Security funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Coalition raised a corporate roundInvestor Allianz | | Undisclosed | Report on the Coalition funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Boostsecurity.io raised fundingInvestors Accelia Capital, Amiral Ventures, Sorenson Capital and White Star Capital | SCA, Software supply chain and SBOM | $4m | Report on the Boostsecurity.io funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Zscaler acquired Symmetry SystemsAI and data security firm with access-graph technology | DSPM, Data security posture management | Undisclosed | Report on Zscaler buying Symmetry Systems, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | WatchGuard acquired Perimeters.ioCloud application security startup auditing configurations and shadow IT risks | SSPM, SaaS security | Undisclosed | Report on WatchGuard buying Perimeters.io, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | Torq acquired JitIsraeli cybersecurity startup providing an AI context graph layer | SOAR, SOAR and security automation | $70m | Report on Torq buying Jit, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | Terra Quantum acquired Axiom Intelligence Acquisition Corp 1Special purpose acquisition company, not an operating security business | | Undisclosed | Report on Terra Quantum buying Axiom Intelligence Acquisition Corp 1, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | Snowflake acquired NatomaEnterprise Model Context Protocol platform for securely connecting AI agents to applications | AI security, AI and LLM security | Undisclosed | Report on Snowflake buying Natoma, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | SecurityScorecard acquired DriftnetUK business scans the internet and gathers threat data | Threat intel, Threat intelligence | Undisclosed | Report on SecurityScorecard buying Driftnet, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | NextPoint Group acquired UScontracting | | Undisclosed | Report on NextPoint Group buying UScontracting, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | KPIT acquired CYMOTIVE TechnologiesIsraeli firm selling in-vehicle intrusion detection, vulnerability tools, compliance software and vehicle SOC services to carmakers. | Automotive, Automotive cybersecurity | Undisclosed | Report on KPIT buying CYMOTIVE Technologies, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | Integritis acquired JS Information GovernanceData protection, information governance and regulatory consultancy for scaling UK businesses | GRC, GRC and compliance automation | Undisclosed | Report on Integritis buying JS Information Governance, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | Harbor IT acquired ComTech Computer ServicesManaged service provider serving businesses across North Carolina for over 35 years | MSSP, Managed security services | Undisclosed | Report on Harbor IT buying ComTech Computer Services, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | FutureRange acquired Echo ITNenagh-based IT services provider serving veterinary, medical and agri-food clients | MSSP, Managed security services | Undisclosed | Report on FutureRange buying Echo IT, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | Eurazeo acquired Nextron SystemsGerman provider of forensic analysis and compromise assessment software | Threat intel, Threat intelligence | Undisclosed | Report on Eurazeo buying Nextron Systems, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | Dragos acquired PhosphorusSpecialises in xIoT security for connected devices in critical infrastructure | IoT security, IoT, embedded and product security | Undisclosed | Report on Dragos buying Phosphorus, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | Datavault AI acquired CyberCatchFirm tests compliance constantly and breaks into systems using software | Audits, Compliance audits (SOC 2, ISO 27001) | $100m | Report on Datavault AI buying CyberCatch, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | Cyera acquired Genie SecurityEndpoint data protection startup preventing sensitive data leaks | DLP, Data loss prevention | $50m | Report on Cyera buying Genie Security, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | Cycurion acquired SecuvantCompany runs security operations centre tasks automatically for clients | MSSP, Managed security services | $2.9m | Report on Cycurion buying Secuvant, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | Cycurion acquired HavenXForensic attribution capabilities provider | | Undisclosed | Report on Cycurion buying HavenX, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |