| June 2021 | Deloitte acquired Terbium LabsProvides risk protection solutions that support threat intelligence offerings | Threat intel, Threat intelligence | Undisclosed | Report on Deloitte buying Terbium Labs, June 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| June 2021 | Deloitte acquired CloudQuestProvides cloud security posture management capabilities from California | CNAPP, Cloud security (CNAPP and CSPM) | Undisclosed | Report on Deloitte buying CloudQuest, June 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| June 2021 | Converge Technology Solutions Corp acquired ExactlyITManaged IT services including cloud, infrastructure and cybersecurity services | | Undisclosed | Report on Converge Technology Solutions Corp buying ExactlyIT, June 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| June 2021 | Coalfire acquired Denim GroupApplication security solutions provider | AST, Application security testing | Undisclosed | Report on Coalfire buying Denim Group, June 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| June 2021 | Cerberus Sentinel acquired Ground Control ITManaged security services provider based in Arizona | MSSP, Managed security services | Undisclosed | Report on Cerberus Sentinel buying Ground Control IT, June 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| June 2021 | Bain Capital Private Equity and Crosspoint Capital Partners acquired ExtraHop NetworksA company selling tools that find and stop network attacks | NDR, Network detection and response | $900m | Report on Bain Capital Private Equity and Crosspoint Capital Partners buying ExtraHop Networks, June 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| June 2021 | Amazon Web Services (AWS) acquired WickrMakes private messaging tools for states and companies | Encryption, Encryption and key management | Undisclosed | Report on Amazon Web Services (AWS) buying Wickr, June 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| June 2021 | Accenture Federal Services (AFS) acquired NovettaAdvanced analytics and cybersecurity services for US government organisations | Consulting, Security consulting and vCISO | Undisclosed | Report on Accenture Federal Services (AFS) buying Novetta, June 2021 (opens in a new tab) |
| June 2021 | Accenture acquired SentorSwedish cyber defence and managed security services provider | MSSP, Managed security services | Undisclosed | Report on Accenture buying Sentor, June 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Zscaler acquired SmokescreenA firm working on active defence and deception tools | | Undisclosed | Report on Zscaler buying Smokescreen, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Twilio acquired Ionic SecurityData security platform addressing security and compliance challenges | | Undisclosed | Report on Twilio buying Ionic Security, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Splunk acquired TruSTARProvides a threat intelligence platform | Threat intel, Threat intelligence | Undisclosed | Report on Splunk buying TruSTAR, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Snyk acquired FossIDSoftware composition analysis tool for open source code | SCA, Software supply chain and SBOM | Undisclosed | Report on Snyk buying FossID, May 2021 (opens in a new tab)via Wikipedia (opens in a new tab) |
| May 2021 | SGS acquired BrightsightDutch cybersecurity evaluation laboratory for chip-based payment, identity and IoT systems | | Undisclosed | Report on SGS buying Brightsight, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | secunet acquired stashcatSecure messaging and video conferencing provider | | Undisclosed | Report on secunet buying stashcat, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Sectigo acquired SiteLockProvides website security and monitoring services | | Undisclosed | Report on Sectigo buying SiteLock, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | RIA in a Box acquired ITEGRIAOffers cloud hosted virtual desktops to financial advisers | | Undisclosed | Report on RIA in a Box buying ITEGRIA, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Relativity acquired Text IQAI for identifying sensitive data in legal, compliance and privacy work | GRC, GRC and compliance automation | Undisclosed | Report on Relativity buying Text IQ, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | OneTrust acquired Shared AssessmentsProvides third-party risk management and standardised assessment questionnaires | TPRM, Third-party risk and security ratings | Undisclosed | Report on OneTrust buying Shared Assessments, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | LiveAction acquired CounterFlow AISpots and deals with threats travelling across computer networks | NDR, Network detection and response | Undisclosed | Report on LiveAction buying CounterFlow AI, May 2021 (opens in a new tab) |
| May 2021 | Kordia acquired Base2Runs technology, networks and security for other businesses | | Undisclosed | Report on Kordia buying Base2, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Jamf acquired WanderaLets phones reach cloud systems safely without trusting the network | ZTNA, Zero trust network access | $400m | Report on Jamf buying Wandera, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Intuity Technologies acquired myITdepartmentManaged IT services provider delivering desktop to data centre support | MSSP, Managed security services | Undisclosed | Report on Intuity Technologies buying myITdepartment, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Infobip acquired Anam TechnologiesBest known for filtering unwanted text messages on mobile networks | NGFW, Firewalls | Undisclosed | Report on Infobip buying Anam Technologies, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Imperva acquired CloudVectorAPI security company | API security | Undisclosed | Report on Imperva buying CloudVector, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | ICG acquired 6point6A British firm selling security and technology help to organisations | Consulting, Security consulting and vCISO | Undisclosed | Report on ICG buying 6point6, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | HelpSystems acquired Beyond SecurityProvides vulnerability assessment and compliance solutions | Vulnerability management | Undisclosed | Report on HelpSystems buying Beyond Security, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | HelpSystems acquired AgariEmail security company | Email security | Undisclosed | Report on HelpSystems buying Agari, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Gryphon Investors acquired Iceberg NetworksProvides security operations management, governance, risk and compliance solutions | GRC, GRC and compliance automation | Undisclosed | Report on Gryphon Investors buying Iceberg Networks, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Gimmal acquired Sherpa SoftwareHelps firms manage data and find evidence for legal cases | GRC, GRC and compliance automation | Undisclosed | Report on Gimmal buying Sherpa Software, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Forcepoint acquired CyberincProvides remote browser isolation technology to reduce risk and attack surface | SASE, SASE and SSE | Undisclosed | Report on Forcepoint buying Cyberinc, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Fidelis Cybersecurity acquired CloudPassageCloud security and compliance company | CNAPP, Cloud security (CNAPP and CSPM) | Undisclosed | Report on Fidelis Cybersecurity buying CloudPassage, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | EPAM Systems acquired White-HatCybersecurity services firm | Consulting, Security consulting and vCISO | Undisclosed | Report on EPAM Systems buying White-Hat, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Databarracks acquired 4slRestores lost data and keeps copies for industries under strict rules | Backup, Backup and cyber recovery | Undisclosed | Report on Databarracks buying 4sl, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | CWSI acquired AVR InternationalProvides cyber and cloud security services | MSSP, Managed security services | $6.3m | Report on CWSI buying AVR International, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Crossword Cybersecurity acquired Verifiable Credentials LimitedBuilds linking software for systems that prove identity claims | | $3.9m | Report on Crossword Cybersecurity buying Verifiable Credentials Limited, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Cisco acquired Kenna SecurityA digital defence firm working on tools that track system weaknesses | Vulnerability management | Undisclosed | Report on Cisco buying Kenna Security, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Centricus Acquisition Corp acquired Arqit LimitedDevelops quantum encryption technology to secure communications against all attacks | Encryption, Encryption and key management | Undisclosed | Report on Centricus Acquisition Corp buying Arqit Limited, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Belcan acquired VICTOR42Gives public bodies and businesses tech, information and digital defence help | | Undisclosed | Report on Belcan buying VICTOR42, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Ascend Technologies acquired Switchfast TechnologiesSpecialises in customised IT services, including cybersecurity services | MSSP, Managed security services | Undisclosed | Report on Ascend Technologies buying Switchfast Technologies, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Aryaka acquired SecucloudGerman company that developed a SASE platform | SASE, SASE and SSE | Undisclosed | Report on Aryaka buying Secucloud, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Acuant acquired Hello SodaA British firm giving identity checks and KYC tools | IAM, Identity and access management | Undisclosed | Report on Acuant buying Hello Soda, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | Accenture acquired LinkbynetFrench cloud services provider offering cloud optimisation, transformation and security services | Consulting, Security consulting and vCISO | Undisclosed | Report on Accenture buying Linkbynet, May 2021 (opens in a new tab) |
| May 2021 | Absolute Software acquired NetMotionSpecialises in secure access solutions | ZTNA, Zero trust network access | $340m | Report on Absolute Software buying NetMotion, May 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2021 | Zywave acquired EnquironRisk management and advice services for employers and insurers | | Undisclosed | Report on Zywave buying Enquiron, April 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2021 | Zscaler acquired TrustdomeCloud infrastructure entitlement management governing access across clouds and identities | CNAPP, Cloud security (CNAPP and CSPM) | Undisclosed | Report on Zscaler buying Trustdome, April 2021 (opens in a new tab)via Wikipedia (opens in a new tab) |
| April 2021 | WhiteSource acquired DiffendSupplies a threat detection tool built on open source | SCA, Software supply chain and SBOM | Undisclosed | Report on WhiteSource buying Diffend, April 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2021 | Thycotic acquired CentrifyPrivileged access management company | PAM, Privileged access management | Undisclosed | Report on Thycotic buying Centrify, April 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2021 | Thoma Bravo acquired ProofpointProofpoint provides cybersecurity solutions to protect people, data, and AI across email, cloud, and collaboration tools. | Email security | $12.3bn | Report on Thoma Bravo buying Proofpoint, April 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2021 | StrikeForce Technologies acquired Cybersecurity Risk SolutionsGives cyber, privacy and data protection tools for homes and firms | | Undisclosed | Report on StrikeForce Technologies buying Cybersecurity Risk Solutions, April 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |