All news with #llm security tag

⚠️Google's Threat Intelligence Group reports a surge in malware that integrates large language models to enable dynamic, mid-execution changes—what Google calls "just-in-time" self-modification. Notable examples include the experimental PromptFlux VBScript dropper and the PromptSteal data miner, plus operational threats like FruitShell and QuietVault. Google disabled abused Gemini accounts, removed assets, and is hardening model safeguards while collaborating with law enforcement.

⚠️ A majority of German employees already use AI at work, with 62% reporting daily use of generative tools such as ChatGPT. Adoption has been largely grassroots—31% began using AI independently and nearly half learned via videos or informal study. Although 85% deem training on AI and data protection essential, 25% report no security training and 47% received only informal guidance, leaving clear operational and data risks.

🛡️ Researchers at Microsoft disclosed a previously undocumented backdoor, dubbed SesameOp, that abuses the OpenAI Assistants API to relay commands and exfiltrate results. The attack chain uses .NET AppDomainManager injection to load obfuscated libraries (loader "Netapi64.dll") into developer tools and relies on a hard-coded API key to pull payloads from assistant descriptions. Because traffic goes to api.openai.com, the campaign evaded traditional C2 detection. Microsoft Defender detections and account key revocation were used to disrupt the operation.

📝 AI notetakers are increasingly treated as authoritative meeting participants, and attendees are adapting speech to influence what appears in summaries. This practice—called AI summarization optimization (AISO)—uses cue phrases, repetition, timing, and formulaic framing to steer models toward including selected facts or action items. The essay outlines evidence of model vulnerability and recommends social, organizational, and technical defenses to preserve trustworthy records.

🔍 OpenAI has introduced Aardvark, an agentic security researcher powered by GPT-5 that autonomously scans source code repositories to identify vulnerabilities, assess exploitability, and propose targeted patches that can be reviewed by humans. Embedded in development pipelines, the agent monitors commits and incoming changes continuously, prioritizes threats by severity and likely impact, and attempts controlled exploit verification in sandboxed environments. Using OpenAI Codex for patch generation, Aardvark is in private beta and has already contributed to the discovery of multiple CVEs in open-source projects.

🔒 A newly disclosed vulnerability in Anthropic’s Claude AI lets attackers manipulate the model’s code interpreter to silently exfiltrate enterprise data. Researcher Johann Rehberger demonstrated an indirect prompt-injection chain that writes sensitive context to the interpreter sandbox and then uploads files using the attacker’s API key to Anthropic’s Files API. The exploit exploits the default “Package managers only” network setting by leveraging access to api.anthropic.com, so exfiltration blends with legitimate API traffic. Mitigations are limited and may significantly reduce functionality.

🔒 Microsoft summarizes the top generative AI security risks and mitigation strategies in a new e-book, highlighting threats such as prompt injection, data poisoning, jailbreaks, and adaptive evasion. The post underscores cloud vulnerabilities, large-scale data exposure, and unpredictable model behavior that create new attack surfaces. It recommends unified defenses—such as CNAPP approaches—and presents Microsoft Defender for Cloud as an example that combines posture management with runtime detection to protect AI workloads.

🛡️ The UK AI Security Institute (AISI), Check Point and Lakera have launched b3, an open-source benchmark to assess and strengthen the security of backbone LLMs that power AI agents. b3 focuses on the specific LLM calls within agent workflows where malicious inputs can trigger harmful outputs, using 10 representative "threat snapshots" combined with a dataset of 19,433 adversarial attacks from Lakera’s Gandalf initiative. The benchmark surfaces vulnerabilities such as system prompt exfiltration, phishing link insertion, malicious code injection, denial-of-service and unauthorized tool calls, making LLM security more measurable, reproducible and comparable across models and applications.

🔒 Check Point has made AI Cloud Protect powered by NVIDIA BlueField available for enterprise deployment, offering DPU-accelerated security for cloud AI workloads. The solution aims to inspect and protect GenAI traffic and prompts to reduce data exposure risks while integrating with existing cloud environments. It targets prompt manipulation and infrastructure attacks at scale and is positioned for organizations building AI factories.

📝 In many organizations the most consequential meeting attendee is the AI notetaker, whose summaries often become the authoritative meeting record. Participants can tailor their speech—using cue phrases, repetition, timing, and formulaic phrasing—to increase the chance their points appear in summaries, a behavior the author calls AI summarization optimization (AISO). These tactics mirror SEO-style optimization and exploit model tendencies to overweight early or summary-style content. Without governance and technical safeguards, summaries may misrepresent debate and confer an invisible advantage to those who game the system.

🤖 ChatGPT Atlas previews a future where AI becomes the primary interface for computing, letting users describe outcomes while the system orchestrates apps, data, and web services. Atlas demonstrates an context-aware assistant that understands a user’s digital life and can act on their behalf. This prototype points to productivity and accessibility gains, but it also creates new security, privacy, and governance challenges organizations must prepare for.

🔒 Google Cloud’s Model Armor integrates with Apigee to screen prompts, responses, and agent interactions, helping organizations mitigate prompt injection, jailbreaks, sensitive data exposure, malicious links, and harmful content. The model‑agnostic, cloud‑agnostic service supports REST APIs and inline integrations with Apigee, Vertex AI, Agentspace, and network service extensions. The article provides step‑by‑step setup: enable the API, create templates, assign service account roles, add SanitizeUserPrompt and SanitizeModelResponse policies to Apigee proxies, and review findings in the AI Protection dashboard.

🔒 Since ChatGPT’s 2022 debut, enterprises have rapidly launched GenAI pilots but struggle to convert experimentation into measurable value — only 3 of 37 pilots succeed. The article identifies four critical bottlenecks: security & data privacy, observability, evaluation & migration readiness, and secure business integration. It recommends targeted controls such as confidential compute, fine‑grained agent permissions, distributed tracing and replay environments, continuous evaluation pipelines and dual‑run migrations, plus policy‑aware integrations and impact analytics to move pilots into reliable production.

🔁 Microsoft positions the signals loop — continuous capture of user interactions and telemetry with systematic fine‑tuning — as essential for building adaptive, reliable AI apps and agents. The post explains that simple RAG and prompting approaches often lack the accuracy and engagement needed for complex use cases, and that continuous learning drives sustained improvements. It highlights Dragon Copilot and GitHub Copilot as examples where telemetry‑driven fine‑tuning yielded substantial performance and experience gains, and presents Azure AI Foundry as a unified platform to operationalize these feedback loops at scale.

🔐 AI promises stronger cyber defense but expands the attack surface if not governed properly. Organizations must secure models, data pipelines, and agentic systems with the same rigor applied to critical infrastructure. Identity is central: treat every model or autonomous agent as a first‑class identity with scoped credentials, strong authentication, and end‑to‑end audit logging. Adopt layered controls for access, data, deployment, inference, monitoring, and model integrity to mitigate threats such as prompt injection, model poisoning, and credential leakage.

🛠️ Google Cloud demonstrates how the Gemini CLI and GKE Inference Quickstart integrate via the Model Context Protocol (MCP) to streamline selecting, benchmarking, and deploying LLMs on GKE. The post outlines installation steps, example prompts to discover cost and performance trade-offs, and how manifests can be generated for target accelerators. This approach reduces manual tuning and provides data-driven recommendations to optimize cost-per-token while preserving performance.

🔒 Generative AI and agentic systems are transforming phishing and smishing into precise, multilingual, and adaptive threats. What were once rudimentary scams now leverage large language models, voice cloning, and autonomous agents to craft personalized attacks at scale. For CISOs and security teams this represents a strategic inflection point that demands updated detection, user education, and cross-functional incident response.

🔍 This article frames the shift from legacy SOCs to AI-SOC platforms, arguing leaders must evaluate impact, transparency, and integration rather than pursue AI for its own sake. It outlines four architectural dimensions—functional domain, implementation model, integration architecture, and deployment—and prescribes a phased adoption path with concrete vendor questions. The piece flags key risks including explainability gaps, data residency, vendor lock-in, model drift, and cost surprises, and highlights mitigation through governance, human-in-the-loop controls, and measurable POCs.

🛡️ Microsoft released ExCyTIn-Bench, an open-source benchmarking tool to evaluate how well AI systems perform realistic cybersecurity investigations. It simulates a multistage Azure SOC using 57 Microsoft Sentinel log tables and measures multistep reasoning, tool usage, and evidence synthesis. The benchmark offers fine-grained, actionable metrics for CISOs, product owners, and researchers.

🧭 LLM-Evalkit is an open-source, lightweight application from Google that centralizes and streamlines prompt engineering using Vertex AI SDKs. It provides a no-code interface for creating, versioning, testing, and benchmarking prompts while tracking objective performance metrics. The tool promotes a dataset-driven evaluation workflow—define the task, assemble representative test cases, and score outputs against clear metrics—to replace ad-hoc iteration and subjective comparisons. Documentation and a guided console tutorial are available to help teams adopt the framework and reproduce experiments.