Is Oracle Cloud Quantum Safe?
Not yet. Oracle Cloud Infrastructure has not publicly announced production PQC support for its cloud services. OCI relies on classical TLS with RSA and ECDSA for service encryption.
Key Takeaway: Oracle Cloud is NOT quantum safe. Scan your OCI environment with QScout to identify cryptographic dependencies. Monitor Oracle's security advisories for PQC announcements. Consider application-level PQC encryption for sensitive data in transit.
- Modality
- Cloud Platform
- Vulnerability
- OCI TLS endpoints use classical key exchange (RSA/ECDH) vulnerable to quantum attack. AES-256 at-rest encryption is quantum-resistant.
- NIST status
- Oracle has not publicly announced NIST PQC standard adoption timelines for OCI services. JDK PQC support is in progress.
- Replaced by
- OCI services will need to migrate to ML-KEM for key exchange and ML-DSA for signatures when Oracle deploys PQC support
- Deprecation
- Oracle has not published PQC migration timelines for OCI. Follow NIST and CNSA 2.0 guidance for planning.
Technical Analysis
Oracle Cloud Infrastructure is NOT quantum safe today.
Current State
OCI uses TLS 1.2/1.3 with RSA and ECDSA certificates across its service endpoints, including OCI Vault (key management), OCI Load Balancer, and Oracle Autonomous Database connections.
PQC Progress
Oracle has been less publicly vocal about PQC migration compared to AWS, Azure, and Google:
- Oracle Cloud Vault: No announced PQC key type support.
- Oracle Database TDE: Uses AES-256 for transparent data encryption (quantum-resistant for data at rest), but TLS connections to the database use classical key exchange.
- Java: Oracle's JDK has added experimental PQC algorithm support, which will eventually benefit OCI services.
HNDL Risk
All OCI service API calls, data transfers, and management plane operations use classical TLS, making intercepted traffic vulnerable to future quantum decryption.
What Organizations Should Do
Inventory all OCI services and identify data flows with long-term confidentiality requirements. Evaluate hybrid cloud strategies that can leverage PQC-capable providers where available. Use QScout to discover your OCI cryptographic surface.
At a glance
| Full Name | Oracle Cloud Infrastructure (OCI) |
| Category | cloud |
| Quantum Vulnerability | OCI TLS endpoints use classical key exchange (RSA/ECDH) vulnerable to quantum attack. AES-256 at-rest encryption is quantum-resistant. |
| NIST Status | Oracle has not publicly announced NIST PQC standard adoption timelines for OCI services. JDK PQC support is in progress. |
| Deprecation Timeline | Oracle has not published PQC migration timelines for OCI. Follow NIST and CNSA 2.0 guidance for planning. |
| Replaced By | OCI services will need to migrate to ML-KEM for key exchange and ML-DSA for signatures when Oracle deploys PQC support |
Migration Guidance
Scan your OCI environment with QScout to identify cryptographic dependencies. Monitor Oracle's security advisories for PQC announcements. Consider application-level PQC encryption for sensitive data in transit.
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