cybersecdirectory

Encryption and key management acquisitions and funding

44 acquisitions of encryption vendors since 2020 and 112 funding rounds since 2022 on record. The most active buyers are Keyfactor (3) and IonQ (2). See the encryption vendors in the directory.

44acquisitions
$582.5mpaid in the 4 acquisitions with a disclosed price
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Showing 1 to 44 of 44

DateDealAmountSource
October 2026Vista Equity Partners acquired HIDPublic key infrastructure businessUndisclosedReportvia SecurityWeek
August 2026Universal Digital Inc acquired PQCEEPost quantum cryptography products and research for quantum safe securityUndisclosedReportvia SecurityWeek
August 2026Terma acquired Dencrypt A/SProvides end-to-end encrypted voice, video, messaging and data communicationsUndisclosedReportvia SecurityWeek
June 2026RedwoodAI acquired Quantum.IQ TechnologiesWorks on quantum-resistant cybersecurity, cryptographic intelligence and security infrastructure modernisationUndisclosedReportvia SecurityWeek
March 2026Airbus acquired Ultra CyberUK sovereign cybersecurity firm specialising in cryptography and data securityUndisclosedReportvia SecurityWeek
February 2026Quantum eMotion acquired SKV TechnologyDevelops specialised cryptographic software and hardware for quantum-resistant securityUndisclosedReportvia SecurityWeek
February 2026CyberCatch acquired AtriarchAttributes-based encryption with revocation intellectual propertyUndisclosedReportvia SecurityWeek
January 2026Satin Creditcare acquired QTrino LabsDeep-tech startup building quantum-safe security solutions for enterprises and governmentUndisclosedReportvia SecurityWeek
January 2026OVHcloud acquired SealdA Paris business working on full encryption and zero knowledge methodsUndisclosedReportvia SecurityWeek
January 2026IonQ acquired SkyloomDevelops lightwave-optics technology for secure high-performance communicationsUndisclosedReportvia SecurityWeek
January 2026Aurex acquired Alpha 2Advanced encryption, cybersecurity and cryptographic engineering services for government space and defenceUndisclosedReportvia SecurityWeek
December 2025BTQ acquired KeypairKorean full-stack security company with post-quantum cryptography intellectual propertyUndisclosedReportvia SecurityWeek
November 2025SSL.com acquired VikingCloudSells digital certificates as part of a cybersecurity and compliance businessUndisclosedReportvia SecurityWeek
June 2025Quantum Network acquired SecureCoStealth communications and secure data-in-transit platform with obfuscationUndisclosedReportvia SecurityWeek
June 2025Main Capital acquired Prim’xDevelops encryption and data confidentiality software for defence and governmentUndisclosedReportvia SecurityWeek
May 2025Keyfactor acquired Quantum XchangeCryptographic discovery solution for finding cryptographic assets and risksUndisclosedReportvia SecurityWeek
May 2025Keyfactor acquired InfoSec GlobalCryptographic posture management and cryptographic discovery solutionsUndisclosedReportvia SecurityWeek
May 2025Arqit acquired AmpliphaeEncryption risk advisory and analytics identifying weak encryption pointsUndisclosedReportvia SecurityWeek
February 2025IonQ acquired ID QuantiqueA Swiss business working on networks and sensors safe from quantum attack$250mReportvia SecurityWeek
February 2025CR Group acquired Fox CryptoBuilds trusted encryption goods that keep private details safeUndisclosedReportvia SecurityWeek
January 2025Sectigo acquired EntrustPublic certificate business, issuing digital certificatesUndisclosedReportvia SecurityWeek
December 2024Main Capital Partners acquired ProcilonDevelops secure communication and digital signature software for regulated sectorsUndisclosedReportvia SecurityWeek
November 2024iStorage Group acquired Kanguru SolutionsHardware-encrypted data storage drives and remote management softwareUndisclosedReportvia SecurityWeek
August 2024Scope AI acquired QSE TechnologyProvides quantum resilient entropy technology for encryption and digital securityUndisclosedReportvia SecurityWeek
January 2024HID acquired ZeroSSLSSL certificate provider securing website communications and PKI solutionsUndisclosedReportvia SecurityWeek
December 2023ST Engineering acquired D’CryptSingapore firm specialising in cryptography, encrypted communications and secure computing$67.5mReportvia SecurityWeek
November 2022Dropbox acquired BoxcryptorOffers full privacy-preserving scrambling of files held in remote serversUndisclosedReportvia SecurityWeek
September 2022SandboxAQ acquired CryptosenseBuilds programs that study codes and guard against digital attacksUndisclosedReportvia SecurityWeek
July 2022Blockdaemon acquired SepiorDanish firm securing data and digital assets through cryptographic key managementUndisclosedReportvia SecurityWeek
May 2022TokenEx acquired Auric Systems InternationalProvides cloud vaulting service for encryption and key managementUndisclosedReportvia SecurityWeek
April 2022Airbus Defence and Space acquired DSI DatensicherheitSpecialises in cryptography for space applicationsUndisclosedReportvia SecurityWeek
March 2022Mount Rainier Acquisition Corp acquired HUB Cyber SecurityProvides data protection solutionsUndisclosedReport
November 2021Coinbase acquired Unbound SecurityIsraeli startup protecting cryptographic keys and credentials$150mReportvia SecurityWeek
November 2021Celsius Network acquired GK8Israeli blockchain cybersecurity firm protecting financial institutions' digital assets$115mReportvia SecurityWeek
August 2021SGT Capital acquired UtimacoUtimaco provides hardware security modules, encryption, and key management for data protection and critical infrastructure.UndisclosedReportvia SecurityWeek
June 2021Utimaco acquired REALSECA Spanish firm supplying IT protection and hardware security modulesUndisclosedReportvia SecurityWeek
June 2021Riverside Company acquired CryptomathicDanish provider of secure server solutionsUndisclosedReportvia SecurityWeek
June 2021Amazon Web Services (AWS) acquired WickrMakes private messaging tools for states and companiesUndisclosedReportvia SecurityWeek
May 2021Centricus Acquisition Corp acquired Arqit LimitedDevelops quantum encryption technology to secure communications against all attacksUndisclosedReportvia SecurityWeek
April 2021Keyfactor acquired PrimeKeyProvides PKI and signing solutionsUndisclosedReportvia SecurityWeek
April 2021Atos acquired cryptovisionMakes cryptographic goods and services that protect digital identitiesUndisclosedReportvia SecurityWeek
March 2021RingCentral acquired KinditeDevelops cryptographic technologies reducing security and privacy risks in the cloudUndisclosedReportvia SecurityWeek
January 2021Entrust acquired HyTrustIt covers scrambled data across clouds, key handling and checking cloud safetyUndisclosedReportvia SecurityWeek
May 2020Zoom acquired KeybaseFull scrambling of messages, shared files and code storageUndisclosedReport

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.