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cybersecurity

1,407 papers

#machine learning Preprint Oct 2026

Clean Data Can Still Carry Backdoors: Support-Persistent Backdoors for Model Reuse

Traditional backdoor attacks inject artificial trigger patterns into training data, causing models to misclassify triggered inputs while maintaining normal behavior on clean samples. Since these artificial triggers are absent in clean datasets, standard knowledge distillation (KD) typically eliminates them, leading to...

Junhoo Lee, Baekseung Kim, Seungyeon Kim et al. · 0 citations
#machine learning Preprint Oct 2026

SHIP: Structured and Hierarchical Insight with Privacy

Extracting insights from textual data while protecting user privacy is increasingly important. Existing methods produce private insights in diverse forms for different analytical purposes, making their utility difficult to assess and compare. In this work, we formulate differentially private (DP) insights as reusable r...

Kai Chen, Gui-Si Ni, Albert Cheu et al. · 0 citations
#machine learning Preprint Open access Oct 2026

Efficient Agnostic Learning of Univariate Densities Under Local Differential Privacy

We propose a general framework for non-interactive locally differentially private (LDP) learning of structured univariate distributions that can be approximated by piece-wise polynomials. This gives the first sample-efficient LDP learners for several distribution classes, including mixtures of log-concave distributions...

Mohammad Afzali, Hassan Ashtiani, Sivan Sabato · 0 citations
#machine learning Preprint Open access Oct 2026

Privacy-Preserving Text Inference for Health-Misinformation Classification and Semantic Retrieval

Health-misinformation analysis presents a dual challenge: misleading claims can affect public well-being, while systems designed to detect them may expose sensitive user-submitted text. This motivates privacy-preserving inference for public-health applications in which user queries may contain confidential medical info...

Jasleen Kaur, Chlo\'e Cachet, Koray Karabina et al. · 0 citations
#machine learning Preprint Open access Oct 2026

CascadeLedger: Counterfactual Auditing of Information and Resource Integrity in LLM Cascades

We introduce CascadeLedger, a counterfactual execution-audit framework for budgeted language-model cascades. The protocol enforces call-before-read semantics, binds successful reads to service and cache identities, records availability and component-wise budget transitions, and freezes the event trace before any target...

Miaobo Hu, Shuhao Hu, Xiaobo Guo et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Words Speak Louder Than Code: Investigating Cognitive Heuristics in LLM-Based Code Vulnerability Detection

Researchers and practitioners increasingly apply Large Language Models (LLMs) for automated vulnerability detection. Recent work has shown that LLMs are susceptible to the same cognitive heuristics that bias human judgment. Yet, no work has investigated whether these heuristics affect a model's assessment of code vulne...

Asif Shahriar, Hongyu Cai, Hadjer Benkraouda et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

MIRAGE: Stealthy Visual Prompt Injection for Vulnerability Detection in Web Agents

Multimodal Large Language Model (MLLM)-based web agents provide practical, high-precision solutions for visual browser automation; however, they inherently expand the attack surface, introducing novel vision-based vulnerabilities. Existing adversarial evaluations targeting these agents frequently rely on permissive thr...

Xuelong Dai, Jianyu Ma, Boyang Ma et al. · 0 citations

Language-Based Agent Control

Language-based agent control is introduced, a new programming model for agentic applications that brings techniques from programming languages and language-based security to the problem of agent control by requiring agents to generate programs that are themselves well typed in the context of the surrounding scaffolding...

Timothy Zhou, Loris D'Antoni, Nadia Polikarpova · 1 citation
#artificial intelligence Preprint Open access Oct 2026

On the Privacy of LLMs: An Ablation Study

Large language models (LLMs) face diverse privacy threats, yet existing studies typically evaluate individual attacks in isolation, offering limited guidance on which system factors drive privacy vulnerabilities. This paper presents a unified threat model and a systematic ablation study of four representative attacks:...

Karima Makhlouf, Lamiaa Basyoni, Syed Khaderi et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Language Is a Security Surface for Agent Guards

This work builds LinguaGuardBench from the 1,220 labelled steps of TS-Bench AgentDojo-Traj, translating only the user instruction into German, French, Turkish, Swahili and Amharic, and keeps every tool call, observation and label byte-identical, so any change in a verdict is attributable to language alone.

Hasan Demirkiran, Jens Ernstberger · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Encoded but Exposed: Language Embeddings can Reveal More Than They Should in Recommender Systems

Language embeddings are increasingly used in recommenders to represent item content, but their privacy risks remain poorly understood. We study whether item embeddings can reveal item identities when an adversary has access to auxiliary item text from external sources. We show that a simple cosine-similarity attack can...

Linda Bekov\'a, Rodrigo Alves · 0 citations

From tech blogs

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Microsoft Research Blog Nov 3, 2026

Learn the rules: The hacker mindset

Research Manager Mike Walker reflects on a career spanning hacker culture, cybersecurity, and AI, sharing lessons about trust, teamwork, leadership, and why solving difficult problems requires curiosity, judgment, agility—and an understanding of the rules. The post Learn the rules: The hacker mindset appeared first on Microsoft Research.

GPT-Lab Oct 30, 2026

Black October? The Week AI Changed the Cybersecurity Conversation

Critical flaws, compromised release channels and agentic AI threats landed within days of each other in mid-October 2026. Why “Black October” may say more about how well we now find weaknesses than about the attacks themselves. The post Black October? The Week AI Changed the Cybersecurity Conversation appeared first on GPT-Lab.

Google DeepMind Blog Jul 17, 2026

Introducing Gemini 3.5 Flash Cyber

Google introduces Gemini 3.5 Flash Cyber, a lightweight cybersecurity model to find and patch vulnerabilities.

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