| April 2021 | Keyfactor acquired PrimeKeyProvides PKI and signing solutions | Encryption, Encryption and key management | Undisclosed | Report on Keyfactor buying PrimeKey, April 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2021 | Information Analysis Incorporated acquired TellengerDelivers security, cloud computing and data analysis work | MSSP, Managed security services | Undisclosed | Report on Information Analysis Incorporated buying Tellenger, April 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2021 | Fifosys acquired Enforce TechnologyOffers cybersecurity and cloud solutions | MSSP, Managed security services | Undisclosed | Report on Fifosys buying Enforce Technology, April 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2021 | Everbridge acquired xMattersProvides incident response and management services | IR, Incident response | $240m | Report on Everbridge buying xMatters, April 2021 (opens in a new tab) |
| April 2021 | Entrust acquired WorldReachChecks identities and papers for state bodies and travel firms | IGA, Identity governance and administration | Undisclosed | Report on Entrust buying WorldReach, April 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2021 | ENSCO acquired ExostrategiesProvides enterprise architecture and risk management for space and intelligence communities | | Undisclosed | Report on ENSCO buying Exostrategies, April 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2021 | Dynamic Quest acquired Integrated SolutionsRuns company tech, digital defence and recovery from disasters for clients | MSSP, Managed security services | Undisclosed | Report on Dynamic Quest buying Integrated Solutions, April 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2021 | Cofense acquired CyberfishEmploys machine learning to stop fake messages and dodgy sites | Email security | Undisclosed | Report on Cofense buying Cyberfish, April 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2021 | Coalfire acquired Neuralys CorporationA web tool for organising tests that probe system weaknesses | Pen testing, Penetration testing | Undisclosed | Report on Coalfire buying Neuralys Corporation, April 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2021 | Cellebrite acquired TWC Tech Holdings II Corporation | | Undisclosed | Report on Cellebrite buying TWC Tech Holdings II Corporation, April 2021 (opens in a new tab)via Wikipedia (opens in a new tab) |
| April 2021 | Boxphish acquired PurplephishCyber awareness and training company based in the United Kingdom | Awareness training, Security awareness and human risk | Undisclosed | Report on Boxphish buying Purplephish, April 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2021 | Atos acquired cryptovisionMakes cryptographic goods and services that protect digital identities | Encryption, Encryption and key management | Undisclosed | Report on Atos buying cryptovision, April 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2021 | Altron acquired LawtrustSupplies digital trust and cyber security offerings | | Undisclosed | Report on Altron buying Lawtrust, April 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2021 | AdEPT acquired Datrix | | $12.5m | Report on AdEPT buying Datrix, April 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2021 | Accenture acquired OpenmindedOffers advice, cloud protection, defence and managed security work | MSSP, Managed security services | Undisclosed | Report on Accenture buying Openminded, April 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2021 | 1Password acquired SecretHubSpecialises in secrets management solutions for enterprises | Secrets management | Undisclosed | Report on 1Password buying SecretHub, April 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Wipro acquired Ampion | Consulting, Security consulting and vCISO | Undisclosed | Report on Wipro buying Ampion, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | VMware acquired Mesh7Provides cloud-native API security technology for applications | API security | Undisclosed | Report on VMware buying Mesh7, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | VENZA acquired CyberTekSupplies complete digital defence and outsourced tech support | | Undisclosed | Report on VENZA buying CyberTek, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Trust Stamp acquired PixelPinLets people reach their accounts using a picture | MFA, MFA and passwordless authentication | Undisclosed | Report on Trust Stamp buying PixelPin, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | TPG Capital acquired ThycoticProvides privileged access management solutions | PAM, Privileged access management | Undisclosed | Report on TPG Capital buying Thycotic, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | TiG acquired ThirdSpaceProvides professional services for Microsoft identity and cybersecurity solutions | Consulting, Security consulting and vCISO | Undisclosed | Report on TiG buying ThirdSpace, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Tesserent acquired Secure LogicProvides managed security services to government clients | MSSP, Managed security services | Undisclosed | Report on Tesserent buying Secure Logic, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Sumo Logic acquired DFLabsProvides security orchestration, automation and response tools | SOAR, SOAR and security automation | Undisclosed | Report on Sumo Logic buying DFLabs, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Sontiq acquired Breach ClarityProvides personalised breach risk intelligence technology | ITDR, Identity threat detection and response | Undisclosed | Report on Sontiq buying Breach Clarity, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Sonatype acquired MuseDevAnalyses developer pull requests for security, performance and reliability bugs | AST, Application security testing | Undisclosed | Report on Sonatype buying MuseDev, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | SailPoint acquired ERP MaestroGives SaaS governance, risk and compliance tools with SoD monitoring | GRC, GRC and compliance automation | Undisclosed | Report on SailPoint buying ERP Maestro, March 2021 (opens in a new tab) |
| March 2021 | RingCentral acquired KinditeDevelops cryptographic technologies reducing security and privacy risks in the cloud | Encryption, Encryption and key management | Undisclosed | Report on RingCentral buying Kindite, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Relay Medical Corp acquired Cybeats TechnologiesIoT cybersecurity firm helping make connected devices more secure | IoT security, IoT, embedded and product security | $7.2m | Report on Relay Medical Corp buying Cybeats Technologies, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Recorded Future acquired Gemini AdvisoryA fraud analytics startup for finance and payment firms | Fraud prevention, Fraud and payment fraud prevention | $52m | Report on Recorded Future buying Gemini Advisory, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | QOMPLX acquired SentarDelivers cyber intelligence, analytics and operations for national safety | Threat intel, Threat intelligence | Undisclosed | Report on QOMPLX buying Sentar, March 2021 (opens in a new tab) |
| March 2021 | QOMPLX acquired Hyperion GrayCyber intelligence firm with cybersecurity and OSINT expertise | OSINT, OSINT tools | Undisclosed | Report on QOMPLX buying Hyperion Gray, March 2021 (opens in a new tab) |
| March 2021 | Plurilock Security acquired Aurora Systems ConsultingSells cyber security goods and work to firms and state bodies | MSSP, Managed security services | Undisclosed | Report on Plurilock Security buying Aurora Systems Consulting, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Pindrop acquired Next CallerProvides call verification and fraud detection for enterprises | Fraud prevention, Fraud and payment fraud prevention | Undisclosed | Report on Pindrop buying Next Caller, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Okta acquired Auth0Auth0 provides authentication and authorization services for applications and AI agents. | CIAM, Customer identity | $6.5bn | Report on Okta buying Auth0, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Netwrix acquired ANIXISSoftware helping administrators manage and enforce password policies | Password managers | Undisclosed | Report on Netwrix buying ANIXIS, March 2021 (opens in a new tab)via Wikipedia (opens in a new tab) |
| March 2021 | Meriplex acquired HBR TechnologiesManaged services provider offering managed cybersecurity and IT | MSSP, Managed security services | Undisclosed | Report on Meriplex buying HBR Technologies, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Lookout acquired CipherCloudSpecialises in Secure Access Service Edge | SASE, SASE and SSE | Undisclosed | Report on Lookout buying CipherCloud, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Kroll acquired RedscanCybersecurity company with a security operations centre and extended detection and response | EDR, EDR and XDR | Undisclosed | Report on Kroll buying Redscan, March 2021 (opens in a new tab) |
| March 2021 | KnowBe4 acquired MediaPROTeaches staff how to keep information safe and private | Awareness training, Security awareness and human risk | Undisclosed | Report on KnowBe4 buying MediaPRO, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Kape acquired Webselenese | | $150m | Report on Kape buying Webselenese, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Jamf acquired cmdSecurityMakes software that keeps Apple computers safe and meets rules | EPP, Endpoint protection and antivirus | Undisclosed | Report on Jamf buying cmdSecurity, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | IronNet Cybersecurity acquired LGL Systems AcquisitionCollective defence and network detection and response provider | NDR, Network detection and response | Undisclosed | Report on IronNet Cybersecurity buying LGL Systems Acquisition, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | IDnow acquired identity Trust ManagementSupplies ways to prove who people are, both online and in person | IGA, Identity governance and administration | Undisclosed | Report on IDnow buying identity Trust Management, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Hornetsecurity acquired ZerospamGuards email for smaller companies using cloud based tools | Email security | Undisclosed | Report on Hornetsecurity buying Zerospam, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Fortinet acquired ShieldXSpecialises in cloud and network security | CNAPP, Cloud security (CNAPP and CSPM) | Undisclosed | Report on Fortinet buying ShieldX, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Datto acquired BitDamProvides threat detection and protection for email and collaboration tools | Email security | Undisclosed | Report on Datto buying BitDam, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Criterion Systems acquired Realm ConsultingContractor for intelligence sector specialising in software, cybersecurity and network engineering | Consulting, Security consulting and vCISO | Undisclosed | Report on Criterion Systems buying Realm Consulting, March 2021 (opens in a new tab) |
| March 2021 | Copado acquired New ContextServes big firms and public bodies with secure cloud development and operations | Consulting, Security consulting and vCISO | Undisclosed | Report on Copado buying New Context, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2021 | Claranet acquired ID Group | | Undisclosed | Report on Claranet buying ID Group, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |