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◬ AI & Machine Learning Apr 24, 2026
Position Paper: Denial-of-Service Against Multi-Round Transaction Simulation

arXiv:2604.21169v1 Announce Type: new Abstract: In Ethereum, transaction-bundling services are a critical component of block builders, such as Flashbots Bundles, and are widely used by MEV searchers. …

arXiv Security Read →
◬ AI & Machine Learning Apr 24, 2026
Adaptive Instruction Composition for Automated LLM Red-Teaming

arXiv:2604.21159v1 Announce Type: new Abstract: Many approaches to LLM red-teaming leverage an attacker LLM to discover jailbreaks against a target. Several of them task the attacker with identifying …

arXiv Security Read →
◬ AI & Machine Learning Apr 24, 2026
Image-Based Malware Type Classification on MalNet-Image Tiny: Effects of Multi-Scale Fusion, Transfer Learning, Data Augmentation, and Schedule-Free Optimization

arXiv:2604.21153v1 Announce Type: new Abstract: This paper studies 43-class malware type classification on MalNet-Image Tiny, a public benchmark derived from Android APK files. The goal is to assess w…

arXiv Security Read →
◬ AI & Machine Learning Apr 24, 2026
Cross-Session Threats in AI Agents: Benchmark, Evaluation, and Algorithms

arXiv:2604.21131v1 Announce Type: new Abstract: AI-agent guardrails are memoryless: each message is judged in isolation, so an adversary who spreads a single attack across dozens of sessions slips pas…

arXiv Security Read →
◬ AI & Machine Learning Apr 24, 2026
Behavioral Consistency and Transparency Analysis on Large Language Model API Gateways

arXiv:2604.21083v1 Announce Type: new Abstract: Third-party Large Language Model (LLM) API gateways are rapidly emerging as unified access points to models offered by multiple vendors. However, the in…

arXiv Security Read →
◬ AI & Machine Learning Apr 24, 2026
Layer 2 Blockchains Simplified: A Survey of Vector Commitment Schemes, ZKP Frameworks, Layer-2 Data Structures and Verkle Trees

arXiv:2604.21055v1 Announce Type: new Abstract: Layer-2 (L2) protocols address the fundamental limitations of Layer-1 (L1) blockchains by offloading computation while anchoring trust to the parent cha…

arXiv Security Read →
◬ AI & Machine Learning Apr 24, 2026
VRSafe: A Secure Virtual Keyboard to Mitigate Keystroke Inference in Virtual Reality

arXiv:2604.21001v1 Announce Type: new Abstract: Password-based authentication is one of the most commonly used methods for verifying user identities, and its widespread usage continues in virtual real…

arXiv Security Read →
◬ AI & Machine Learning Apr 24, 2026
Breaking MCP with Function Hijacking Attacks: Novel Threats for Function Calling and Agentic Models

arXiv:2604.20994v1 Announce Type: new Abstract: The growth of agentic AI has drawn significant attention to function calling Large Language Models (LLMs), which are designed to extend the capabilities…

arXiv Security Read →
◬ AI & Machine Learning Apr 24, 2026
Breaking Bad: Interpretability-Based Safety Audits of State-of-the-Art LLMs

arXiv:2604.20945v1 Announce Type: new Abstract: Effective safety auditing of large language models (LLMs) demands tools that go beyond black-box probing and systematically uncover vulnerabilities root…

arXiv Security Read →
◬ AI & Machine Learning Apr 24, 2026
SDNGuardStack: An Explainable Ensemble Learning Framework for High-Accuracy Intrusion Detection in Software-Defined Networks

arXiv:2604.20934v1 Announce Type: new Abstract: Software-Defined Networking (SDN) is another technology that has been developing in the last few years as a relevant technique to improve network progra…

arXiv Security Read →
◬ AI & Machine Learning Apr 24, 2026
Adaptive Defense Orchestration for RAG: A Sentinel-Strategist Architecture against Multi-Vector Attacks

arXiv:2604.20932v1 Announce Type: new Abstract: Retrieval-augmented generation (RAG) systems are increasingly deployed in sensitive domains such as healthcare and law, where they rely on private, doma…

arXiv Security Read →
◬ AI & Machine Learning Apr 24, 2026
SafeRedirect: Defeating Internal Safety Collapse via Task-Completion Redirection in Frontier LLMs

arXiv:2604.20930v1 Announce Type: new Abstract: Internal Safety Collapse (ISC) is a failure mode in which frontier LLMs, when executing legitimate professional tasks whose correct completion structura…

arXiv Security Read →
◬ AI & Machine Learning Apr 24, 2026
Hidden Secrets in the arXiv: Discovering, Analyzing, and Preventing Unintentional Information Disclosure in Source Files of Scientific Preprints

arXiv:2604.20927v1 Announce Type: new Abstract: Preprints are essential for the timely and open dissemination of research. arXiv, the most widely used preprint service, takes the idea of open science …

arXiv Security Read →
◬ AI & Machine Learning Apr 24, 2026
Omission Constraints Decay While Commission Constraints Persist in Long-Context LLM Agents

arXiv:2604.20911v1 Announce Type: new Abstract: LLM agents deployed in production operate under operator-defined behavioral policies (system-prompt instructions such as prohibitions on credential disc…

arXiv Security Read →
◬ AI & Machine Learning Apr 24, 2026
Sensitivity Uncertainty Alignment in Large Language Models

arXiv:2604.20903v1 Announce Type: new Abstract: We propose Sensitivity-Uncertainty Alignment (SUA), a framework for analyzing failures of large language models under adversarial and ambiguous inputs. …

arXiv Security Read →
◬ AI & Machine Learning Apr 24, 2026
Towards a Systematic Risk Assessment of Deep Neural Network Limitations in Autonomous Driving Perception

arXiv:2604.20895v1 Announce Type: new Abstract: Safety and security are essential for the admission and acceptance of automated and autonomous vehicles. Deep neural networks (DNNs) are widely used for…

arXiv Security Read →
◬ AI & Machine Learning Apr 24, 2026
russellromney/honker

russellromney/honker "Postgres NOTIFY/LISTEN semantics" for SQLite, implemented as a Rust SQLite extension and various language bindings to help make use of it. The design of this looks very solid. It…

Simon Willison Read →
◬ AI & Machine Learning Apr 24, 2026
An update on recent Claude Code quality reports

An update on recent Claude Code quality reports It turns out the high volume of complaints that Claude Code was providing worse quality results over the past two months was grounded in real problems. …

Simon Willison Read →
◬ AI & Machine Learning Apr 24, 2026
Serving the For You feed

Serving the For You feed One of Bluesky's most interesting features is that anyone can run their own custom "feed" implementation and make it available to other users - effectively enabling custom alg…

Simon Willison Read →
◬ AI & Machine Learning Apr 23, 2026
Extract PDF text in your browser with LiteParse for the web

LlamaIndex have a most excellent open source project called LiteParse , which provides a Node.js CLI tool for extracting text from PDFs. I got a version of LiteParse working entirely in the browser, u…

Simon Willison Read →
◬ AI & Machine Learning Apr 23, 2026
Here’s how our TPUs power increasingly demanding AI workloads.

Learn how Google’s TPUs power increasingly demanding AI workloads with this new video.

Google AI Read →
◬ AI & Machine Learning Apr 23, 2026
Zscaler 2026 AI Threat Report: 91% Year-over-Year Surge in - GlobeNewswire

Zscaler 2026 AI Threat Report: 91% Year-over-Year Surge in GlobeNewswire

GlobeNewswire Read →
◬ AI & Machine Learning Apr 23, 2026
A pelican for GPT-5.5 via the semi-official Codex backdoor API

GPT-5.5 is out . It's available in OpenAI Codex and is rolling out to paid ChatGPT subscribers. I've had some preview access and found it to be a fast, effective and highly capable model. As is usuall…

Simon Willison Read →
◬ AI & Machine Learning Apr 23, 2026
Trailmark turns code into graphs

We’re open-sourcing Trailmark , a library that parses source code into a queryable call graph of functions, classes, call relationships, and semantic metadata, then exposes that graph through a Python…

Trail of Bits Read →
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