SCBX has partnered with the Quantum Technology Foundation (Thailand) Co., Ltd. (QTFT) to publish a critical special report titled “SCBX Quantum Outlook: Post-Quantum Cryptography.” The report serves as a major alert to industries regarding the looming threats posed by quantum computing, which experts predict could break established encryption systems like RSA and ECC as early as 2030–2035.
The collaborative publication emphasizes the critical need for organizations to immediately begin the strategic transition toward Post-Quantum Cryptography (PQC) to protect current data and future financial infrastructure.
SCBX Warns of Harvest-Now/Decrypt-Later (HNDL) Threat
SCBX’s Research & Development (R&D) team highlighted the Harvest-Now/Decrypt-Later (HNDL) tactic as one of the most significant emerging risks. This strategy involves cybercriminals capturing and storing large volumes of currently encrypted, long-term sensitive data today, with the explicit intention of decrypting it years later once powerful quantum computers become available. Consequently, valuable data generated now could be compromised within a short timeframe.

Dr.Tutanon Sinthupasith, Head of R&D at SCB X Public Company Limited (SCBX), stressed the organization’s leadership role: “Our role is not only to ensure SCBX stays ahead of technology but also to lead in building national resilience. We aim to collaborate with academia, regulators, and global tech leaders to transform research into public knowledge, raising awareness and strengthening Thailand’s technology infrastructure for a secure quantum future.”
Dr.Poompong Chaiwongkot, Senior Researcher Fellow and Co-Founder of QTFT, reinforced the call to action: “Thailand’s quantum-safe migration begins with a well-organized cryptographic inventory that tells us what we must protect and where to act. Early coordination across sectors and deliberate planning toward crypto-agility will ensure a smooth and secure transition.”
Strategic Guidelines for PQC Transition
The report outlines a structured, actionable roadmap for PQC migration, designed to manage enterprise risk and ensure long-term data security:
- Inventory and Prioritize Assets: Organizations must first create a detailed inventory and classification of all cryptographic assets to identify high-risk systems vulnerable to HNDL attacks. Prioritization should be based on key lifetimes and data sensitivity.
- Adopt Hybrid Cryptography: For maximum security against both current and future threats, the report recommends combining robust classical algorithms (e.g., X25519) with new PQC algorithms (e.g., Kyber). The use of Quantum Key Distribution (QKD) for physics-level security should also be considered.
- Enable Crypto-Agility: Systems must be upgraded to support Crypto-Agility, allowing organizations to rapidly adapt encryption algorithms without disrupting operations. This includes upgrading Key Management Systems (KMS) and Hardware Security Modules (HSM) to efficiently support PQC standards.
The transition must adhere to global security standards, such as FIPS and Common Criteria (CC), to maintain system integrity and trust. This report underscores SCBX’s commitment to advancing security technologies and building a robust, trusted digital economy in Thailand.
Download the full report “SCBX Quantum Outlook: Post-Quantum Cryptography” https://www.scbx.com/en/scbx-exclusive/scbx-quantum-outlook/
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