Beyond RAG for Cyber Threat Intelligence: A Systematic Evaluation of Graph-Based and Agentic Retrieval

Cyber threat intelligence CTI analysts must answer complex questions over large collections of narrative security reports. Retrieval-augmented generation RAG systems help language models access external knowledge, but traditional vector retrieval often struggles with queries that require reasonin...

PQC-Enhanced QKD Networks: A Layered Approach

We present a layered and modular network architecture that combines Quantum Key Distribution QKD and Post-Quantum Cryptography PQC to provide scalable end-to-end security across long distance multi-hop, trusted-node quantum networks. To ensure interoperability and efficient practical deployment,...

One Shot Dominance: Knowledge Poisoning Attack on Retrieval-Augmented Generation Systems

Large Language Models LLMs enhanced with Retrieval-Augmented Generation RAG have shown improved performance in generating accurate responses. However, the dependence on external knowledge bases introduces potential security vulnerabilities, particularly when these knowledge bases are publicly...

Researchers Say China State-backed Hackers Breached a Digital Certificate Authority

A suspected Chinese state-sponsored actor breached a digital certificate authority as well as government and defense agencies located in different countries in Asia as part of an ongoing campaign since at least March 2022. Symantec, by Broadcom Software, linked the attacks to an adversarial group...

Multi-hop routes will leave a dust trail

Lines of code Vulnerability details Impact By calling RubiconMarket.buyid, quantity as a consequence of L239 and L241 with quantity = currentAmount - currentAmount expectedMarketFeeBPS / 10000 ...the fee calculated by the buy function amounts to: currentAmount - currentAmount expectedMarketFeeBPS...

Wrong buy_amt_min calculation in RubiconRouter.swapEntireBalance for multi-hop swaps

Lines of code Vulnerability details Impact The buyamountmin value provided for the swap call is calculating too few fees for multi-hop swaps. Every swap within a multi-hop swap is taking fees. Currently, only a one-time fee is calculated on the basis of the swapEntireBalance function parameter...

Stowaway - Multi-hop Proxy Tool For Pentesters

Stowaway is Multi-hop proxy tool for security researchers and pentesters Users can easily proxy their network traffic to intranet nodes multi-layer PS: The files under demo folder are Stowaway's beta version,it's still functional, you can check the detail by README.md file under the demo folder...