| December 2025 | EVERTRUST raised a Series A roundInvestor Elephant | $11.6m | Report on the EVERTRUST funding round of December 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| December 2025 | Niobium Microsystems raised a seed roundInvestor Blockchange Ventures | $23m | Report on the Niobium Microsystems funding round of December 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| December 2025 | Mirror Security raised a pre-seed roundInvestors Atlantic Bridge and Sure Valley Ventures | $2.5m | Report on the Mirror Security funding round of December 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| December 2025 | BTQ acquired KeypairKorean full-stack security company with post-quantum cryptography intellectual property | Undisclosed | Report on BTQ buying Keypair, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2025 | EigenQ raised a pre-seed round | $71k | Report on the EigenQ funding round of November 2025 (opens in a new tab) |
| November 2025 | SSL.com acquired VikingCloudSells digital certificates as part of a cybersecurity and compliance business | Undisclosed | Report on SSL.com buying VikingCloud, November 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2025 | CyberRidge raised a seed roundInvestor Awz Ventures | $10m | Report on the CyberRidge funding round of October 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| October 2025 | CyberRidge raised a Series A roundInvestor Arkin Capital | $16m | Report on the CyberRidge funding round of October 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| October 2025 | Theodosian raised a pre-seed roundInvestor Fuel Ventures | $1.3m | Report on the Theodosian funding round of October 2025 (opens in a new tab) |
| October 2025 | LuxQuanta raised a Series A roundInvestor Big Sur Ventures | $9.3m | Report on the LuxQuanta funding round of October 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| October 2025 | Basis Theory raised a Series B roundInvestor Costanoa Ventures | $33m | Report on the Basis Theory funding round of October 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| October 2025 | Pantherun Technologies raised a Series A roundInvestors Sahasrar Capital and Lucky Investment Managers | $12m | Report on the Pantherun Technologies funding round of October 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| October 2025 | DigiCert raised debt fundingDigiCert provides digital certificates and PKI solutions to secure websites, devices, software, and digital content.Investor Runway Growth Capital | $9.3m | Report on the DigiCert funding round of October 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| September 2025 | Belfort raised a seed roundInvestor Vsquared Ventures | $6m | Report on the Belfort funding round of September 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| August 2025 | Hedy Cyber raised a seed round | $420k | Report on the Hedy Cyber funding round of August 2025 (opens in a new tab) |
| July 2025 | Quantum Resistant Cryptographic Solutions raised a seed round | $5k | Report on the Quantum Resistant Cryptographic Solutions funding round of July 2025 (opens in a new tab) |
| July 2025 | QbitShield raised a pre-seed round | Undisclosed | Report on the QbitShield funding round of July 2025 (opens in a new tab) |
| June 2025 | Zama raised a Series B roundInvestors Blockchange Ventures and Pantera Capital | $57m | Report on the Zama funding round of June 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| June 2025 | Qunnect raised a Series A roundInvestor Airbus Ventures | $10m | Report on the Qunnect funding round of June 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| June 2025 | Quantum Network acquired SecureCoStealth communications and secure data-in-transit platform with obfuscation | Undisclosed | Report on Quantum Network buying SecureCo, June 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| June 2025 | Main Capital acquired Prim’xDevelops encryption and data confidentiality software for defence and government | Undisclosed | Report on Main Capital buying Prim’x, June 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Unbound Security raised a seed roundInvestor Race Capital | $4m | Report on the Unbound Security funding round of May 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2025 | Cyborg raised fundingInvestor iGan Partners | Undisclosed | Report on the Cyborg funding round of May 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2025 | Honeypotz raised a pre-seed round | Undisclosed | Report on the Honeypotz funding round of May 2025 (opens in a new tab) |
| May 2025 | Valarian Technologies raised a seed roundInvestors Artis Ventures and Scout Ventures | $7m | Report on the Valarian Technologies funding round of May 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2025 | QNu Labs raised a Series A roundQNu Labs builds quantum-safe cryptography products including QKD, QRNG and post-quantum cryptography.Investor National Quantum Mission | $7.1m | Report on the QNu Labs funding round of May 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2025 | Keyfactor acquired Quantum XchangeCryptographic discovery solution for finding cryptographic assets and risks | Undisclosed | Report on Keyfactor buying Quantum Xchange, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Keyfactor acquired InfoSec GlobalCryptographic posture management and cryptographic discovery solutions | Undisclosed | Report on Keyfactor buying InfoSec Global, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Arqit acquired AmpliphaeEncryption risk advisory and analytics identifying weak encryption points | Undisclosed | Report on Arqit buying Ampliphae, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2025 | Cy4Data Labs raised a seed roundInvestor Pelion Venture Partners | $10m | Report on the Cy4Data Labs funding round of April 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| April 2025 | comforte AG raised private equity fundingInvestor NERA Digital Holding | Undisclosed | Report on the comforte AG funding round of April 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| April 2025 | SandboxAQ raised a Series E roundInvestors BNP Paribas, Google, Horizon Kinetics, NVIDIA and Ray Dalio | $150m | Report on the SandboxAQ funding round of April 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| April 2025 | QuintessenceLabs raised fundingQuintessenceLabs provides quantum cybersecurity solutions for data protection and encryption.Investor National Reconstruction Fund Corporation | $9m | Report on the QuintessenceLabs funding round of April 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| March 2025 | Privy raised fundingInvestor Ribbit Capital | $15m | Report on the Privy funding round of March 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| March 2025 | Quantum Industries raised a seed roundInvestors Findus Venture and Sparring Capital Partners | $10.3m | Report on the Quantum Industries funding round of March 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| February 2025 | QuSecure raised a Series A roundInvestor Two Bear Capital | $28m | Report on the QuSecure funding round of February 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| February 2025 | FTAPI Software raised private equity fundingInvestors Armira and Tikehau Capital | $67m | Report on the FTAPI Software funding round of February 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| February 2025 | IonQ acquired ID QuantiqueA Swiss business working on networks and sensors safe from quantum attack | $250m | Report on IonQ buying ID Quantique, February 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| February 2025 | CR Group acquired Fox CryptoBuilds trusted encryption goods that keep private details safe | Undisclosed | Report on CR Group buying Fox Crypto, February 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| January 2025 | Sectigo acquired EntrustPublic certificate business, issuing digital certificates | Undisclosed | Report on Sectigo buying Entrust, January 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |