cybersecdirectory

Cybersecurity acquisitions and funding

2,371 acquisitions since 2020 and 2,777 funding rounds since 2022 on record, newest first, each linked to its source. Smaller deals may be missing.

370acquisitions
636funding rounds
$75.2bnpaid in the 31 acquisitions with a disclosed price
$17.2bnraised in the 531 rounds with a disclosed size
Browse deals by category

Deals

Showing 51 to 100 of 1,006

DateDealCategoryAmountSource
December 2025Niobium Microsystems raised a seed roundInvestor Blockchange VenturesEncryption, Encryption and key management$23mReport on the Niobium Microsystems funding round of December 2025 (opens in a new tab)via Security, Funded (opens in a new tab)
December 2025Multifactor raised a seed roundInvestor Nexus Venture PartnersPassword managers$15mReport on the Multifactor funding round of December 2025 (opens in a new tab)via Security, Funded (opens in a new tab)
December 2025Mirror Security raised a pre-seed roundInvestors Atlantic Bridge and Sure Valley VenturesEncryption, Encryption and key management$2.5mReport on the Mirror Security funding round of December 2025 (opens in a new tab)via Security, Funded (opens in a new tab)
December 2025Lumia Security raised a seed roundInvestor Team8AI security, AI and LLM security$18mReport on the Lumia Security funding round of December 2025 (opens in a new tab)via Security, Funded (opens in a new tab)
December 2025Imper.AI raised a seed roundInvestors Battery Ventures and RedpointDRP, Digital risk and brand protection$28mReport on the Imper.AI funding round of December 2025 (opens in a new tab)via Security, Funded (opens in a new tab)
December 2025Helmet Security raised a seed roundInvestors SYN Ventures and WhiteRabbit VenturesAI security, AI and LLM security$9mReport on the Helmet Security funding round of December 2025 (opens in a new tab)via Security, Funded (opens in a new tab)
December 2025Eon raised a Series D roundInvestor Gil CapitalBackup, Backup and cyber recovery$300mReport on the Eon funding round of December 2025 (opens in a new tab)via Security, Funded (opens in a new tab)
December 2025Electrosoft raised a corporate roundInvestor DigitalNet.aiMSSP, Managed security servicesUndisclosedReport on the Electrosoft funding round of December 2025 (opens in a new tab)via Security, Funded (opens in a new tab)
December 2025Cognna raised a Series A roundInvestors BNVT Capital and Impact46EDR, EDR and XDR$9.2mReport on the Cognna funding round of December 2025 (opens in a new tab)via Security, Funded (opens in a new tab)
December 2025Axiado Corporation Inc raised a Series C roundInvestor Maverick SiliconIoT security, IoT, embedded and product security$100mReport on the Axiado Corporation Inc funding round of December 2025 (opens in a new tab)via Security, Funded (opens in a new tab)
December 2025Antithesis raised a Series A roundInvestor Jane Street CapitalAST, Application security testing$105mReport on the Antithesis funding round of December 2025 (opens in a new tab)via Security, Funded (opens in a new tab)
December 2025AnChain.AI raised a Series B roundInvestors Amino Capital and Emmanuel VallodIR, Incident responseUndisclosedReport on the AnChain.AI funding round of December 2025 (opens in a new tab)via Security, Funded (opens in a new tab)
December 2025Alinia AI raised a seed roundInvestor Mouro CapitalAI security, AI and LLM security$7.5mReport on the Alinia AI funding round of December 2025 (opens in a new tab)via Security, Funded (opens in a new tab)
December 20257AI raised a Series A round7AI provides AI agents that automate security operations centre tasks for enterprises.Investor Index VenturesAgentic SOC, Agentic SOC tools$130mReport on the 7AI funding round of December 2025 (opens in a new tab)via Security, Funded (opens in a new tab)
December 2025Woven Solutions acquired Cystemic SecurityCyber solutions including managed attribution, forensics, vulnerability analysis and attribution controlDRP, Digital risk and brand protectionUndisclosedReport on Woven Solutions buying Cystemic Security, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025TRM acquired Sheffield ScientificUndisclosedReport on TRM buying Sheffield Scientific, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025Synergy ECP acquired NetServicesSecure federal IT modernisation, software engineering, cybersecurity and enterprise operationsConsulting, Security consulting and vCISOUndisclosedReport on Synergy ECP buying NetServices, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025Symposit acquired HumanLinkHuman factors engineering consultancy for aviation and transportation security trainingAwareness training, Security awareness and human riskUndisclosedReport on Symposit buying HumanLink, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025SPIE acquired CyqueoUndisclosedReport on SPIE buying Cyqueo, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025Silent Push acquired HYASWatches for threats early and filters domain name lookupsThreat intel, Threat intelligenceUndisclosedReport on Silent Push buying HYAS, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025ServiceNow acquired VezaVeza provides an identity security platform that manages access to data across cloud and on-premises systems.IGA, Identity governance and administration$1bnReport on ServiceNow buying Veza, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025ServiceNow acquired ArmisArmis provides cyber exposure management and security for connected devices and operational technology.IoT security, IoT, embedded and product security$7.8bnReport on ServiceNow buying Armis, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025Red River acquired InvictusNational security services provider with cyber, intelligence and enterprise modernisation capabilitiesConsulting, Security consulting and vCISOUndisclosedReport on Red River buying Invictus, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025Red Hat acquired Chatterbox LabsAI security and safety company offering guardrails and safety testingAI security, AI and LLM securityUndisclosedReport on Red Hat buying Chatterbox Labs, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025oXya acquired Axl & TraxSAP cyber security, access control and risk management consultingIGA, Identity governance and administrationUndisclosedReport on oXya buying Axl & Trax, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025Outpost24 acquired InfinipointChecks devices and their state, then lets staff log in safelyZTNA, Zero trust network accessUndisclosedReport on Outpost24 buying Infinipoint, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025Northern Telecom acquired C-STEMZero trust architecture and managed IT solutionsZTNA, Zero trust network accessUndisclosedReport on Northern Telecom buying C-STEM, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025MetaCompliance acquired JunglemapSecurity and compliance awareness training using NanoLearning methodologyAwareness training, Security awareness and human riskUndisclosedReport on MetaCompliance buying Junglemap, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025Limerston Capital acquired AristiCHECK and CREST-accredited Birmingham-based cyber security consultancy with over 15 years of experience delivering penetration testing, red teaming, and OT security assessments for government and private sector clients.Pen testing, Penetration testingUndisclosedReport on Limerston Capital buying Aristi, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025itSynergy acquired ComplyIT and cybersecurity services for registered investment advisersMSSP, Managed security servicesUndisclosedReport on itSynergy buying Comply, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025Integrity360 acquired RedshiftAfrican cyber security services firm, details not describedMSSP, Managed security servicesUndisclosedReport on Integrity360 buying Redshift, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025Integrity360 acquired CrescoBenelux cyber security services firm, details not describedMSSP, Managed security servicesUndisclosedReport on Integrity360 buying Cresco, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025Infinum acquired AMR CyberSecurityPenetration testing and security consulting servicesPen testing, Penetration testingUndisclosedReport on Infinum buying AMR CyberSecurity, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025ID-Pal acquired NorthRowKnow your business checks and anti-money laundering compliance intelligenceGRC, GRC and compliance automationUndisclosedReport on ID-Pal buying NorthRow, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025Harbor IT acquired ZAG TechnicalManaged service provider for agricultural manufacturing, with OT and IT expertiseMSSP, Managed security servicesUndisclosedReport on Harbor IT buying ZAG Technical, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025Cyderes acquired LucidumA data layer built around identity for current cyber defenceITDR, Identity threat detection and responseUndisclosedReport on Cyderes buying Lucidum, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025Checkmarx acquired TromzoBuilds AI-native autonomous security agents for application securitySOAR, SOAR and security automationUndisclosedReport on Checkmarx buying Tromzo, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025BTQ acquired KeypairKorean full-stack security company with post-quantum cryptography intellectual propertyEncryption, Encryption and key managementUndisclosedReport on BTQ buying Keypair, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025Broadwing Capital acquired CloudScale365Managed IT, cloud, hosting and security solutions for smaller businessesMSSP, Managed security servicesUndisclosedReport on Broadwing Capital buying CloudScale365, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025BigBear.ai acquired Ask SageGenerative AI platform for secure deployment in regulated environmentsAI security, AI and LLM securityUndisclosedReport on BigBear.ai buying Ask Sage, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025Bastion acquired Phronesis SecurityProvides cyber security audit, assurance and technical assessment servicesConsulting, Security consulting and vCISOUndisclosedReport on Bastion buying Phronesis Security, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025Arteris acquired CycuitySemiconductor cybersecurity assurance specialistIoT security, IoT, embedded and product securityUndisclosedReport on Arteris buying Cycuity, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025Aretum acquired Veterans EngineeringSupplies government bodies with digital and cloud protection skillsConsulting, Security consulting and vCISOUndisclosedReport on Aretum buying Veterans Engineering, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
December 2025Akamai Technologies acquired FermyonFunction as a service company, not described in the sourceUndisclosedReport on Akamai Technologies buying Fermyon, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab)
November 2025vijil raised fundingInvestor Brightmind PartnersAI security, AI and LLM security$17mReport on the vijil funding round of November 2025 (opens in a new tab)via Security, Funded (opens in a new tab)
November 2025SpecterOps raised fundingAdversary-focused security firm created by former DoD red team operators. Creators of BloodHound. CREST-accredited for penetration testing, red teaming, and purple team assessments.Pen testing, Penetration testing$30mReport on the SpecterOps funding round of November 2025 (opens in a new tab)via Security, Funded (opens in a new tab)
November 2025Social Links raised a seed roundOSINT and social media investigation software, including SL Crimewall, an API and a Maltego integration, used by law enforcement and corporate security teams.Investor Yellow Rocks!OSINT, OSINT tools$3mReport on the Social Links funding round of November 2025 (opens in a new tab)via Security, Funded (opens in a new tab)
November 2025Opti raised a seed roundInvestors YL Ventures, Mayfield Fund and Hetz VenturesIAM, Identity and access management$20mReport on the Opti funding round of November 2025 (opens in a new tab)via Security, Funded (opens in a new tab)
November 2025NetFoundry raised a Series A roundInvestor Cisco InvestmentsSASE, SASE and SSE$15mReport on the NetFoundry funding round of November 2025 (opens in a new tab)via Security, Funded (opens in a new tab)
November 2025CodeNotary raised fundingSCA, Software supply chain and SBOM$16.5mReport on the CodeNotary funding round of November 2025 (opens in a new tab)via Security, Funded (opens in a new tab)

Acquisitions 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. Funding rounds from 2022 onwards come from Return on Security's weekly Security, Funded newsletter. These are dated to the month. A few deals added from the news are dated to the day. Smaller deals may be missing. Each Report link goes to the announcement or story the source cites, and the via link to the round-up or newsletter issue. Amounts are in US dollars. The category is what the bought or funded company sells.