Istiaque Ahmed

Istiaque Ahmed Blockchain Developer and Researcher. I support dApp with MERN. I'm working at "BER Center", Korea.

25/08/2026

Advice for the B4 and M students . What you are thinking (research ideas) start immediately.

21/08/2026

Glad to share our recent **IEEE conference paper**:

**“A Blockchain-Based ECDSA Framework for Drug Authentication and Traceability in Bangladeshi Healthcare.”**

Sincere thanks to my co-authors **Sri Apurbo Saha, Mst Shimla Sinthia, and Shamim Ahmad** for their valuable contributions and collaboration.

📄 https://ieeexplore.ieee.org/abstract/document/11504162

Counterfeit pharmaceuticals pose a critical public health threat in Bangladesh and globally. According to the World Health Organization (WHO), around 10% of med

🚀 **New preprint on arXiv!**We are excited to share our latest work:**“Reflex-Guard: A Low-Latency Guardrail for LLM Pro...
19/08/2026

🚀 **New preprint on arXiv!**

We are excited to share our latest work:

**“Reflex-Guard: A Low-Latency Guardrail for LLM Prompt Safety Using Dense Semantic Embeddings”**

Reflex-Guard is a lightweight, locally deployable safety guardrail designed for real-time LLM applications. It combines jailbreak-aware preprocessing, dense semantic embeddings, and efficient classifiers to provide fast and privacy-conscious prompt safety filtering.

👥 **Authors:** Istiaque Ahmed, Afia Anjum Borsha, Ranat Das Prangon, Abu-fuad Ahmad, and Thi Hong Tran

🔗 https://arxiv.org/abs/2608.17556v1

Large Language Models (LLMs) in real-world applications often face the risks of specially crafted prompts designed to bypass the safety controls. Existing guardrail methods, such as LLM-as-a-judge and cloud-based safety APIs are able to detect unsafe content. However, they often add a delay of about...

13/08/2026

Our recent research work is now available on arXiv!
“Transferable Low-Rank Convolutional Bases for Onboarding Unseen Medical Imaging Modalities”
We explore efficient adaptation of medical imaging models to unseen modalities while preserving performance on existing ones.
🔗 https://arxiv.org/abs/2607.16888
We would greatly appreciate your comments, feedback, and suggestions on our work!

03/08/2026

I am delighted to share that I joined Osaka Metropolitan University, Japan, as a Visiting Researcher on 1 July 2026.

Grateful for this opportunity.

15/07/2026

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Osaka, Osaka

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+8801717584966

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