| Work item | Question | Equiv. Num. | Status | Timing | Approval process | Version | Liaison relationship | Subject / Title | Priority |
| X.1711 (ex X.sec_QKD_profr) | Q15/17 | | Under study | 2025-12 | AAP | New | SG11, SG13, ISO/IEC JTC1 SC27 WG3, ETSI ISG-QKD | Framework of quantum key distribution (QKD) protocols in QKD network | Medium |
| X.1718 (ex X.sec_QKDNi) | Q15/17 | | Under study | 2025-12 | AAP | New | ITU-T SG11, SG13 and SG15, ETSI ISG-QKD, ETSI TC-Cyber QSC | Security requirements for Quantum Key Distribution Network interworking (QKDNi) | Medium |
| X.sec_QKDNi_ccm | Q15/17 | | Under study | 2026-Q4 | AAP | New | ITU-T SG11, ITU-T SG17, JCA-QKDN, ETSI ISG-QKD, ETSI TC-CYBER QSC, ISO/IEC JTC1/SC27, ISO/IEC JTC3, ETSI TC-QT | Security requirements and measures for quantum key distribution network interworking - Concatenated model | Medium |
| X.sec-QKDN-un-req | Q15/17 | | Under study | 2027-03 | AAP | New | ISO/IEC JTC1 SC27 WG3, ETSI ISG QKD, ITU-T SG13, ETSI TC CYBER QSC | Security requirements for the integration of quantum key distribution network and user network | Medium |
| XSTR.hyb_qsafe (ex TR.hyb_qsafe) | Q15/17 | | Under study | 2026-06 | Agreement | New | ITU-T SG11, SG13 and SG15, ETSI ISG-QKD, ETSI TC-Cyber QSC | Technical Report: Overview of key management of hybrid approaches for quantum-safe communications | Medium |
| XSTR.kdc_QKDN (ex TR.kdc_qkdn) | Q15/17 | | Under study | 2026-06 | Agreement | New | ETSI ISG-QKD; ITU-T SG11, SG13 and SG15 | Technical Report: Key distribution center based approaches in the service layer to manage keys supplied by QKDN | Medium |
| XSTR.QKDN-SP (ex TR.QKDN-SP) | Q15/17 | | Under study | 2026-06 | Agreement | New | SG11, SG13, ETSI ISG-QKD, ISO/IEC | Technical Report: Overview of security profile for Quantum Key Distribution Networks in hybrid mode | Medium |
| XSTR.QKDN-ZTA | Q15/17 | | Under study | 2027-03 | Agreement | Rev. | ITU-T SG 13, ETSI ISG-QKD, IEEE, 3GPP, O-RAN | Technical implications of applying zero trust architecture into QKDN | Medium |
| XSTR.SQKDN-SC (ex TR.SQKDN-SC) | Q15/17 | | Under study | 2026-09 | Agreement | New | ITU-T SG11 and SG13, ETSI ISG-QKD and SES SCN, ISO/IEC JTC1 SC27 | Technical Report: Security consideration for satellite-based quantum key distribution network | Medium |