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Quantum Security Solutions
What is the "Harvest Now, Decrypt Later" (HNDL)?
HNDL involves adversaries collecting and storing encrypted data today, intending to decrypt it in the future when quantum computing capabilities, capable of breaking current encryption, become available.
Encrypted data can be intercepted and harvested at various points, including the user's server, through BGP hijacking, tapping undersea cables, and satellite data interception, posing risks of future decryption and exploitation of the data by adversaries using quantum computing capabilities.
Data is already at risk. In many environments, it will take up to a decade to migrate to post quantum cryptography. At an absolute minimum, data must be secured with PQC prior to a quantum computer being able to decrypt it. Any data using today’s encryption that is stolen prior to the migration could be decrypted once the quantum computer is available.
Why is QKD considered limited or even useless for encryption key security now and potentially in the foreseeable future?
QKD, while theoretically secure, faces practical limitations such as distance constraints, implementation challenges, and high costs, which currently restrict its widespread adoption for encryption key security. Additionally, the requirement for trusted nodes and vulnerability to side-channel attacks raise concerns about its efficacy in providing absolute security against potential quantum threats.
Why is Qrypt's Quantum Key Generation (QKG) a pertinent solution now, and how does it complement NIST PQC in mitigating quantum threats?
Qrypt's QKG provides immediate mitigation against quantum threats by enabling independent generation and non-transmission of encryption keys, safeguarding against potential future decryption. It complements NIST PQC by providing an additional layer of security, especially against HNDL attacks, and ensuring data security during the transition to post- quantum cryptographic standards.