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◬ AI & Machine Learning Apr 21, 2026
CapSeal: Capability-Sealed Secret Mediation for Secure Agent Execution

arXiv:2604.16762v1 Announce Type: new Abstract: Modern AI agents routinely depend on secrets such as API keys and SSH credentials, yet the dominant deployment model still exposes those secrets directl…

arXiv Security Read →
◬ AI & Machine Learning Apr 21, 2026
Privacy-Aware Machine Unlearning with SISA for Reinforcement Learning-Based Ransomware Detection

arXiv:2604.16760v1 Announce Type: new Abstract: Ransomware detection systems increasingly rely on behavior-based machine learning to address evolving attack strategies. However, emerging privacy compl…

arXiv Security Read →
◬ AI & Machine Learning Apr 21, 2026
Glitch in the Sky: Exploiting Voltage Fault Injection in UAV Flight Controllers

arXiv:2604.16699v1 Announce Type: new Abstract: As Cyber-Physical Systems (CPS) become increasingly pervasive and autonomous, ensuring the resilience of their embedded logic is critical to maintaining…

arXiv Security Read →
◬ AI & Machine Learning Apr 21, 2026
Surgical Repair of Insecure Code Generation in LLMs

arXiv:2604.16697v1 Announce Type: new Abstract: Large language models write production code, and yet they routinely introduce well-known vulnerabilities. We show that this is not a knowledge deficit: …

arXiv Security Read →
◬ AI & Machine Learning Apr 21, 2026
Stringology Based Cryptology

arXiv:2604.16669v1 Announce Type: new Abstract: The modern cryptographic primitives are known to generate large volumes of sequential data like keystreams, ciphertext blocks, and hash outputs. Traditi…

arXiv Security Read →
◬ AI & Machine Learning Apr 21, 2026
Benign Fine-Tuning Breaks Safety Alignment in Audio LLMs

arXiv:2604.16659v1 Announce Type: new Abstract: Prior work shows that fine-tuning aligned models on benign data degrades safety in text and vision modalities, and that proximity to harmful content in …

arXiv Security Read →
◬ AI & Machine Learning Apr 21, 2026
SafeLM: Unified Privacy-Aware Optimization for Trustworthy Federated Large Language Models

arXiv:2604.16606v1 Announce Type: new Abstract: Large language models (LLMs) are increasingly deployed in high-stakes domains, yet a unified treatment of their overlapping safety challenges remains la…

arXiv Security Read →
◬ AI & Machine Learning Apr 21, 2026
Polynomial Multiproofs for Scalable Data Availability Sampling in Blockchain Light Clients

arXiv:2604.16559v1 Announce Type: new Abstract: Light clients are essential for scalable blockchain systems because they verify data availability without downloading full blocks. In data availability …

arXiv Security Read →
◬ AI & Machine Learning Apr 21, 2026
A Survey on the Security of Long-Term Memory in LLM Agents: Toward Mnemonic Sovereignty

arXiv:2604.16548v1 Announce Type: new Abstract: Research on large language model (LLM) security is shifting from "will the model leak training data" to a more consequential question: can an agent with…

arXiv Security Read →
◬ AI & Machine Learning Apr 21, 2026
TWGuard: A Case Study of LLM Safety Guardrails for Localized Linguistic Contexts

arXiv:2604.16542v1 Announce Type: new Abstract: Safety guardrails have become an active area of research in AI safety, aimed at ensuring the appropriate behavior of large language models (LLMs). Howev…

arXiv Security Read →
◬ AI & Machine Learning Apr 21, 2026
Public and private blockchain for decentralized digital building twins and building automation system

arXiv:2604.16534v1 Announce Type: new Abstract: The communication protocols and data transfer mechanisms employed by IoT devices in smart buildings and corresponding digital twin systems predominantly…

arXiv Security Read →
◬ AI & Machine Learning Apr 21, 2026
Anumati: Proof of Adherence as a Formal Consent Model for Autonomous Agent Protocols

arXiv:2604.16524v1 Announce Type: new Abstract: As autonomous AI agents increasingly call other agents to complete tasks on behalf of a human principal, a structural accountability gap has emerged: th…

arXiv Security Read →
◬ AI & Machine Learning Apr 21, 2026
CAMP: Cumulative Agentic Masking and Pruning for Privacy Protection in Multi-Turn LLM Conversations

arXiv:2604.16521v1 Announce Type: new Abstract: The deployment of Large Language Models in agentic, multi-turn conversational settings has introduced a class of privacy vulnerabilities that existing p…

arXiv Security Read →
◬ AI & Machine Learning Apr 21, 2026
Refunded but Rewarded: The Double Dip Attack on Cashback Reward Engines

arXiv:2604.16427v1 Announce Type: new Abstract: Cashback reward programs now serve as central instruments in the competitive landscape of cards, digital wallets, and payment platforms. Despite their f…

arXiv Security Read →
◬ AI & Machine Learning Apr 21, 2026
Safety, Security, and Cognitive Risks in State-Space Models: A Systematic Threat Analysis with Spectral, Stateful, and Capacity Attacks

arXiv:2604.16424v1 Announce Type: new Abstract: State-Space Models (SSMs) -- structured SSMs (S4, S4D, DSS, S5), selective SSMs (Mamba, Mamba-2), and hybrid architectures (Jamba) -- are deployed in sa…

arXiv Security Read →
◬ AI & Machine Learning Apr 21, 2026
CSF: Black-box Fingerprinting via Compositional Semantics for Text-to-Image Models

arXiv:2604.16363v1 Announce Type: new Abstract: Text-to-image models are commercially valuable assets often distributed under restrictive licenses, but such licenses are enforceable only when violatio…

arXiv Security Read →
◬ AI & Machine Learning Apr 21, 2026
How to Ground a Korean AI Agent in Real Demographics with Synthetic Personas
Hugging Face Read →
◉ Threat Intelligence Apr 21, 2026
ISC Stormcast For Tuesday, April 21st, 2026 https://isc.sans.edu/podcastdetail/9900, (Tue, Apr 21st)
SANS ISC Read →
◇ Industry News & Leadership Apr 21, 2026
Critical Anthropic’s MCP Vulnerability Enables Remote Code Execution Attacks

A critical flaw in Anthropic’s Model Context Protocol (MCP) exposes over 150 million downloads to potential compromise. The vulnerability could enable full system takeover across up to 200,000 servers…

Cybersecurity News Read →
◇ Industry News & Leadership Apr 21, 2026
Critical Gardyn Smart Gardens Vulnerabilities Let Attackers Control Devices Remotely

The Cybersecurity and Infrastructure Security Agency (CISA) has issued a critical warning about severe vulnerabilities in Gardyn Home Kit smart garden systems. Carrying a maximum severity score of 9.3…

Cybersecurity News Read →
◇ Industry News & Leadership Apr 21, 2026
British National Admits Hacking Companies and Stealing Millions in Virtual Currency

A British man has pleaded guilty in the United States to his role in a large cybercrime scheme that used SMS phishing, company network intrusions, and SIM swapping to steal at least $1 million in virt…

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◇ Industry News & Leadership Apr 21, 2026
iTerm2 Flaw Abuses SSH Integration Escape Sequences to Turn Text Into Code Execution

Cybersecurity researchers, working in partnership with OpenAI, have uncovered a fascinating and severe vulnerability in iTerm2, a widely used macOS terminal emulator. According to Califio, the flaw ab…

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◌ Quantum Computing Apr 21, 2026
Bitcoin's $1.3 trillion security race: Key initiatives aimed at quantum-proofing the world's largest blockchain - CoinDesk

Bitcoin's $1.3 trillion security race: Key initiatives aimed at quantum-proofing the world's largest blockchain CoinDesk

CoinDesk Read →
◌ Quantum Computing Apr 21, 2026
Top Quantum Computing Stocks to Watch in 2026: IonQ, IBM, and Microsoft - MEXC

Top Quantum Computing Stocks to Watch in 2026: IonQ, IBM, and Microsoft MEXC

MEXC Read →
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