| December 2021 | ZeroFox acquired IDXProvides incident response services to organisations | IR, Incident response | Undisclosed | Report on ZeroFox buying IDX, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Workiva acquired AuditNet | GRC, GRC and compliance automation | Undisclosed | Report on Workiva buying AuditNet, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Wipro acquired EdgileProvides cybersecurity consulting services | Consulting, Security consulting and vCISO | $230m | Report on Wipro buying Edgile, December 2021 (opens in a new tab) |
| December 2021 | Tesserent acquired Pearson CorporationProvides cybersecurity consulting services | Consulting, Security consulting and vCISO | $21.5m | Report on Tesserent buying Pearson Corporation, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Tesserent acquired ClaricentProvides cybersecurity consulting services | Consulting, Security consulting and vCISO | $2.8m | Report on Tesserent buying Claricent, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | TeleSign acquired North Atlantic Acquisition CorporationSoftware platform connecting, protecting and defending brands and customers in digital economy | Fraud prevention, Fraud and payment fraud prevention | Undisclosed | Report on TeleSign buying North Atlantic Acquisition Corporation, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Permira acquired MimecastMimecast provides email security and human risk management services for organisations. | Email security | $5.8bn | Report on Permira buying Mimecast, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Orchestra Group acquired Netformx | | Undisclosed | Report on Orchestra Group buying Netformx, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Moody’s acquired PassFortChecks who customers are, signs them up and assesses their risk | | Undisclosed | Report on Moody’s buying PassFort, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Moody’s acquired kompanyAustrian service checking businesses and clients with records that stand up to scrutiny | GRC, GRC and compliance automation | Undisclosed | Report on Moody’s buying kompany, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Moody’s acquired 360kompany AGAustrian service checking businesses and clients with records that stand up to scrutiny | GRC, GRC and compliance automation | Undisclosed | Report on Moody’s buying 360kompany AG, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Lee Equity Partners acquired Unlimited TechnologyProvides security systems integration covering physical and network security convergence | Consulting, Security consulting and vCISO | Undisclosed | Report on Lee Equity Partners buying Unlimited Technology, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | L&F Acquisition Corp acquired ZeroFoxZeroFox provides external cybersecurity services to discover, validate, and disrupt digital threats. | DRP, Digital risk and brand protection | Undisclosed | Report on L&F Acquisition Corp buying ZeroFox, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Kroll acquired Security Compass AdvisoryCanadian company offering cloud defence, intrusion testing and adversary simulation | Consulting, Security consulting and vCISO | Undisclosed | Report on Kroll buying Security Compass Advisory, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Jumio acquired 4StopGerman business checking company clients, rules and dishonest activity | Fraud prevention, Fraud and payment fraud prevention | Undisclosed | Report on Jumio buying 4Stop, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Intuit acquired ImvisionIsraeli API security company whose technology helps prevent fraud | API security | $50m | Report on Intuit buying Imvision, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Impero Software acquired ContentKeeperBlocks harmful websites, tracks usage and guards phones in schools | DNS security | Undisclosed | Report on Impero Software buying ContentKeeper, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | IBM acquired SXiQAustralian digital transformation services firm covering cloud applications, platforms and cybersecurity | Consulting, Security consulting and vCISO | Undisclosed | Report on IBM buying SXiQ, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | GoSecure acquired CovailSpecialises in intelligent security and risk optimisation and automation | SOAR, SOAR and security automation | Undisclosed | Report on GoSecure buying Covail, December 2021 (opens in a new tab) |
| December 2021 | Exclusive Networks acquired Networks Unlimited | | Undisclosed | Report on Exclusive Networks buying Networks Unlimited, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Empire Technologies Risk Management Group (ETRM) acquired GoldMindProvides legal cloud solutions | DLP, Data loss prevention | Undisclosed | Report on Empire Technologies Risk Management Group (ETRM) buying GoldMind, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Eckoh acquired SyntecProvides secure payment solutions | Fraud prevention, Fraud and payment fraud prevention | $41m | Report on Eckoh buying Syntec, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | DFIN acquired GuardumAssists organisations in finding, protecting and governing their information | DLP, Data loss prevention | Undisclosed | Report on DFIN buying Guardum, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | CTSI acquired Star Asset SecurityJoins systems together, watches them, guards premises and runs IT and security | MSSP, Managed security services | Undisclosed | Report on CTSI buying Star Asset Security, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | ComplySci acquired RIA in a BoxSells tools for wealth managers covering rules, cyber defence and daily operations | GRC, GRC and compliance automation | Undisclosed | Report on ComplySci buying RIA in a Box, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Cloudflare acquired ZarazSecures and speeds up websites by reducing third-party tool impact | | Undisclosed | Report on Cloudflare buying Zaraz, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | ClosingLock acquired SafeWireOffers wire fraud prevention solutions for real estate | Fraud prevention, Fraud and payment fraud prevention | Undisclosed | Report on ClosingLock buying SafeWire, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Claroty acquired MedigateHealthcare IoT security company | IoT security, IoT, embedded and product security | $400m | Report on Claroty buying Medigate, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Cerberus Sentinel acquired Arkavia NetworksChilean cybersecurity consulting and managed services provider | Consulting, Security consulting and vCISO | Undisclosed | Report on Cerberus Sentinel buying Arkavia Networks, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | CDW acquired Sirius Computer SolutionsProvides cybersecurity consulting and managed services among other things | Consulting, Security consulting and vCISO | $2.5bn | Report on CDW buying Sirius Computer Solutions, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Bulletproof Solutions acquired Terminal Exchange SystemsIT security services company serving government and commercial clients | MSSP, Managed security services | Undisclosed | Report on Bulletproof Solutions buying Terminal Exchange Systems, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Avast acquired EvernymUS provider of self-sovereign identity solutions | IGA, Identity governance and administration | Undisclosed | Report on Avast buying Evernym, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Aqua Security acquired ArgonSoftware development security firm | AST, Application security testing | Undisclosed | Report on Aqua Security buying Argon, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2021 | Acclaim Technical Services acquired Entegra SystemsProvides cyber technology solutions to defense and intelligence agencies | Consulting, Security consulting and vCISO | Undisclosed | Report on Acclaim Technical Services buying Entegra Systems, December 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2021 | Yaqoob Al Awadhi acquired NGN InternationalManaged security service provider | MSSP, Managed security services | Undisclosed | Report on Yaqoob Al Awadhi buying NGN International, November 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2021 | Valeo Networks acquired On Time TechManaged service provider | MSSP, Managed security services | Undisclosed | Report on Valeo Networks buying On Time Tech, November 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2021 | Team Cymru acquired AmplicyProvides threat surface management | ASM, Attack surface management | Undisclosed | Report on Team Cymru buying Amplicy, November 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2021 | Sift acquired KeylessProvides passwordless and multi-factor authentication | MFA, MFA and passwordless authentication | Undisclosed | Report on Sift buying Keyless, November 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2021 | Sesa acquired DatefDelivers cloud and security help such as finding and answering threats | MDR, Managed detection and response | Undisclosed | Report on Sesa buying Datef, November 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2021 | SecureAuth acquired AccepttoProvides risk-based continuous authentication platform | MFA, MFA and passwordless authentication | Undisclosed | Report on SecureAuth buying Acceptto, November 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2021 | Schwarz Group acquired XM CyberXM Cyber provides a platform for continuous exposure management across hybrid environments. | ASM, Attack surface management | $700m | Report on Schwarz Group buying XM Cyber, November 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2021 | Recovery Point Systems acquired GeminareKeeps firms running when systems fail, protecting information and restoring operations | Backup, Backup and cyber recovery | Undisclosed | Report on Recovery Point Systems buying Geminare, November 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2021 | Outpost24 acquired SpecopsOffers tools for managing passwords and checking who users are | Password managers | Undisclosed | Report on Outpost24 buying Specops, November 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2021 | Open Text Corporation acquired ZixEmail security company | Email security | $860m | Report on Open Text Corporation buying Zix, November 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2021 | Open Text Corporation acquired BricataNetwork detection and response firm | NDR, Network detection and response | Undisclosed | Report on Open Text Corporation buying Bricata, November 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2021 | Meriplex acquired Optimum NetworkingProvides managed IT and cybersecurity services | MSSP, Managed security services | Undisclosed | Report on Meriplex buying Optimum Networking, November 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2021 | ManTech acquired Gryphon Technologies | | $350m | Report on ManTech buying Gryphon Technologies, November 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2021 | Lacework acquired SolubleCloud infrastructure management firm specialising in infrastructure as code | CNAPP, Cloud security (CNAPP and CSPM) | Undisclosed | Report on Lacework buying Soluble, November 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2021 | Kerv acquired GyrocomNetwork and security integrator specialising in SD-WAN, managed networks and SASE | SASE, SASE and SSE | Undisclosed | Report on Kerv buying Gyrocom, November 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2021 | Immersive Labs acquired Snap LabsCreates spaces for cyber training, study and showing tools | Awareness training, Security awareness and human risk | Undisclosed | Report on Immersive Labs buying Snap Labs, November 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |