Research on Secure Data Forwarding in Cloud Storage focuses on enabling authorized data sharing and transfer between users without compromising confidentiality or requiring data decryption. Advanced schemes use proxy re-encryption, erasure coding, and forward-security techniques to allow seamless data forwarding while preserving integrity and preventing unauthorized access. Cryptographic frameworks ensure that only intended recipients can decrypt forwarded data, and dynamic key management mechanisms support secure delegation and revocation of access rights. Recent approaches integrate lightweight cryptography with cloud and edge environments to achieve low latency, scalability, and resistance to replay or insider attacks. Overall, secure data forwarding mechanisms enhance data usability, trust, and privacy in distributed and multi-tenant cloud storage systems by combining efficiency, confidentiality, and fine-grained access control.