| May 2025 | VTG acquired Tunuva TechnologiesProvides cyber and information security services for defence and intelligence | MSSP, Managed security services | Undisclosed | Report on VTG buying Tunuva Technologies, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | VTG acquired Byte SystemsProvides secure network and data engineering and analytics for national security | MSSP, Managed security services | Undisclosed | Report on VTG buying Byte Systems, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Vipre Security acquired Forensic and Compliance SystemsProvides email archiving for compliance, eDiscovery and business continuity | Email security | Undisclosed | Report on Vipre Security buying Forensic and Compliance Systems, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Tyto Athene acquired StackArmorFedRAMP, FISMA and CMMC compliance acceleration with cloud security automation | GRC, GRC and compliance automation | Undisclosed | Report on Tyto Athene buying StackArmor, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Tenable acquired Apex SecurityWorks on protecting the parts of AI that can be attacked | AI security, AI and LLM security | $105m | Report on Tenable buying Apex Security, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | SurgeONE.ai acquired MGL ConsultingCompliance services for broker-dealers, advisers and commodities firms | GRC, GRC and compliance automation | Undisclosed | Report on SurgeONE.ai buying MGL Consulting, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | SeSa acquired Delta Tecnologías de Información SL | | Undisclosed | Report on SeSa buying Delta Tecnologías de Información SL, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Scytale acquired AudITechCompliance and trust automation software | GRC, GRC and compliance automation | Undisclosed | Report on Scytale buying AudITech, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Qubika acquired Nitra SecurityCybersecurity advisory, assurance and engineering services | Consulting, Security consulting and vCISO | Undisclosed | Report on Qubika buying Nitra Security, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Proofpoint acquired NucleiCompliance archiving and AI data enrichment for workplace communications | GRC, GRC and compliance automation | Undisclosed | Report on Proofpoint buying Nuclei, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Proofpoint acquired HornetsecuritySupplies tools for Microsoft 365 safety, email safety, data safety, rule following and staff learning | Email security | Undisclosed | Report on Proofpoint buying Hornetsecurity, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | PartnerOne acquired XYPRORisk management and compliance solutions for critical enterprise systems | IGA, Identity governance and administration | Undisclosed | Report on PartnerOne buying XYPRO, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Ory acquired BoxyHQEnterprise single sign-on, directory sync and onboarding for B2B identity | IAM, Identity and access management | Undisclosed | Report on Ory buying BoxyHQ, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Orca Security acquired Opus SecuritySoftware that runs cloud safety tasks and fixes issues using artificial intelligence | CNAPP, Cloud security (CNAPP and CSPM) | Undisclosed | Report on Orca Security buying Opus Security, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Netrio acquired AgioManaged IT and cybersecurity provider for financial services firms | MSSP, Managed security services | Undisclosed | Report on Netrio buying Agio, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Mercury acquired Star Lab | | Undisclosed | Report on Mercury buying Star Lab, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Limerston Capital acquired CyberCrowd | | Undisclosed | Report on Limerston Capital buying CyberCrowd, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Leidos acquired Kudu DynamicsAssists the American government with cyber work across every area | | $300m | Report on Leidos buying Kudu Dynamics, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Keyfactor acquired Quantum XchangeCryptographic discovery solution for finding cryptographic assets and risks | Encryption, Encryption and key management | Undisclosed | Report on Keyfactor buying Quantum Xchange, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Keyfactor acquired InfoSec GlobalCryptographic posture management and cryptographic discovery solutions | Encryption, Encryption and key management | Undisclosed | Report on Keyfactor buying InfoSec Global, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | JumpCloud acquired VaultOneProvides privileged access management solutions | PAM, Privileged access management | Undisclosed | Report on JumpCloud buying VaultOne, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Intelligent Technical Solutions acquired Black BreachManaged cybersecurity and compliance services provider | MSSP, Managed security services | Undisclosed | Report on Intelligent Technical Solutions buying Black Breach, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | IGEL acquired StratodeskEndpoint OS software and management solutions provider | EPP, Endpoint protection and antivirus | Undisclosed | Report on IGEL buying Stratodesk, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Fortra acquired LookoutCloud security business, sold by mobile security firm Lookout | CNAPP, Cloud security (CNAPP and CSPM) | Undisclosed | Report on Fortra buying Lookout, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Fortinet acquired SuridataProvides SaaS security solutions for visibility, monitoring and policy enforcement | SSPM, SaaS security | Undisclosed | Report on Fortinet buying Suridata, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Five Tattva acquired Zeroday Ops Private LimitedCybersecurity firm with advanced threat detection and prevention capabilities | | Undisclosed | Report on Five Tattva buying Zeroday Ops Private Limited, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | F5 acquired FletchUses agentic AI to help organisations detect threats | ITDR, Identity threat detection and response | Undisclosed | Report on F5 buying Fletch, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Ekinops acquired OlfeoFrench provider of SSE cybersecurity software | SASE, SASE and SSE | Undisclosed | Report on Ekinops buying Olfeo, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Ekco acquired Predatech | | Undisclosed | Report on Ekco buying Predatech, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Efex acquired DatcomFull-service managed cybersecurity services provider offering guidance and infrastructure support | MSSP, Managed security services | Undisclosed | Report on Efex buying Datcom, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | CYBERR acquired CyberTeeCommunity of cybersecurity professionals and recruitment platform | | Undisclosed | Report on CYBERR buying CyberTee, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Cyber Solutions acquired CleverTechManaged service provider delivering enterprise-grade cybersecurity and IT support | MSSP, Managed security services | Undisclosed | Report on Cyber Solutions buying CleverTech, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | CPX acquired SpiderSilkCyber-AI startup offering exposure management platform and autonomous SOC AI agents | ASM, Attack surface management | Undisclosed | Report on CPX buying SpiderSilk, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Cognyte acquired GroupSenseHelps customers protect digital assets from external cyber threats using automated and human reconnaissance | DRP, Digital risk and brand protection | Undisclosed | Report on Cognyte buying GroupSense, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Check Point acquired VeritiThreat exposure and mitigation platform with cross-vendor virtual patching | Vulnerability management | Undisclosed | Report on Check Point buying Veriti, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | BCI acquired Trustlink Technologies | | Undisclosed | Report on BCI buying Trustlink Technologies, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Arqit acquired AmpliphaeEncryption risk advisory and analytics identifying weak encryption points | Encryption, Encryption and key management | Undisclosed | Report on Arqit buying Ampliphae, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2025 | VanishID raised fundingInvestor Dell Technologies Capital | DRP, Digital risk and brand protection | $10m | Report on the VanishID funding round of April 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| April 2025 | Terra Security raised a seed roundInvestors FXP and SYN Ventures | AI security, AI and LLM security | $8m | Report on the Terra Security funding round of April 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| April 2025 | SquareX raised a Series A roundInvestor SYN Ventures | EPP, Endpoint protection and antivirus | $12m | Report on the SquareX funding round of April 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| April 2025 | SixMap raised fundingInvestor IAG Capital Partners | ASM, Attack surface management | $7m | Report on the SixMap funding round of April 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| April 2025 | Sevii raised a pre-seed roundSevii provides an autonomous defense and remediation platform that stops cyber adversaries without human intervention.Investor Overline VC | ITDR, Identity threat detection and response | Undisclosed | Report on the Sevii funding round of April 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| April 2025 | Sentra raised a Series B roundSentra finds sensitive data and controls which people and AI agents can access it.Investor Key 1 Capital | DSPM, Data security posture management | $50m | Report on the Sentra funding round of April 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| April 2025 | Scamnetic raised a Series A roundInvestor Roo Capital | Fraud prevention, Fraud and payment fraud prevention | $13m | Report on the Scamnetic funding round of April 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| April 2025 | Riptides raised a pre-seed roundInvestors KAYA and PortfoLion Capital Partners | Secrets management | $3.3m | Report on the Riptides funding round of April 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| April 2025 | Reco raised fundingReco provides an AI agent security platform that maps, governs, and protects AI agents across enterprise applications.Investors Angular Ventures, boldstart Ventures, Insight Partners, Redseed and Zeev Ventures | AI security, AI and LLM security | $25m | Report on the Reco funding round of April 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| April 2025 | Push Security raised a Series B roundInvestor Redpoint Ventures | SSPM, SaaS security | $30m | Report on the Push Security funding round of April 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| April 2025 | Miggo Security raised a Series A roundInvestor SYN Ventures | AST, Application security testing | $17m | Report on the Miggo Security funding round of April 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| April 2025 | Manifest raised a Series A roundSBOM and vulnerability management platform that helps carmakers and suppliers track risk in vehicle software.Investor Ensemble VC | SCA, Software supply chain and SBOM | $15m | Report on the Manifest funding round of April 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| April 2025 | Kenzo Security raised a seed roundInvestor The General Partnership | SOAR, SOAR and security automation | $4.5m | Report on the Kenzo Security funding round of April 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |