ACEA: An Adversarial Co-Evolution Arena for Head-to-Head Red-Team and Blue-Team LLM Testing
ACEA is a pluggable arena scoring LLM red-team attackers and blue-team defenses head-to-head with an LLM judge and verifiable leakage ground truth.
ACEA connects pluggable red- and blue-team adapters to a shared target LLM through the model-agnostic ASAP HTTP protocol and scores attack and defense rates per adversarial round. Canonical seeded secrets provide verifiable ground truth that separates real leakage from hallucination, and attacks are delivered to the target even when blocked to measure raw potency. The platform adds real-time battle visualization, failure-localizing end-of-battle reports, and an optional in-context improvement loop that feeds advisory hints between rounds.
What 90 days and a small budget can buy in AI agent security
Versa Field CISO details hidden costs of self-hosting open-weight models and a 90-day AI agent security plan of inventory, blast-radius reduction and testing.
In a Help Net Security interview, Prasad Tharippala, Field CISO at Versa, argues running open-weight models in-house improves control but shifts hardening, patching, access control, monitoring and incident response onto the buyer, with underestimated costs in GPU infrastructure, licensing review, EU AI Act compliance and scarce AI/ML security skills. On red-teaming AI agents, he recommends testing prompt injection, indirect injection, excessive permissions, data leakage, memory and RAG poisoning, malicious tool outputs, cross-agent trust abuse and infrastructure attack paths, mapped to OWASP agentic guidance and MITRE ATLAS. He highlights the handoff between chained agents as a major risk zone and stresses exercising human approval, shutdown and rollback controls under test conditions. For teams with 90 days and small budgets, he ranks inventory, blast radius reduction and ongoing testing as the priority order.
When an Attacker Meets a Group of Agents: Navigating Amazon Bedrock's Multi
Unit 42 red-teamed Amazon Bedrock multi-agent applications, demonstrating prompt-injection attack chains that leak agent instructions and invoke tools, mitigated by Bedrock Guardrails.
Unit 42 red-teamed Amazon Bedrock Agents' multi-agent collaboration in Supervisor and Supervisor with Routing modes. The demonstrated attack chain detects the operating mode, discovers collaborator agents, delivers attacker-controlled payloads, and can disclose agent instructions and tool schemas and invoke tools with attacker-supplied inputs. No vulnerabilities were found in Bedrock itself, and the built-in prompt attack Guardrail blocked the attacks when properly configured. The researchers collaborated with Amazon's security team and frame the findings as a broader prompt injection risk for LLM-based systems.
Production data in testing is still common, and Tricentis' CISO wants it gone
Tricentis CISO Erika Dean urges keeping production data out of test environments and describes red-teaming that caught a prompt injection gap.
In a Help Net Security interview, Tricentis CISO Erika Dean recommends keeping production data out of QA and testing environments, even in finance and healthcare, where weaker QA controls create risk. Her team red-teamed an agentic chatbot before launch, found a prompt injection gap, and held the release for a week until it was fixed. She says vendors who cannot explain data residency, retention, and model training use are disqualified regardless of product quality.
Fortinet expands AI security portfolio with Virtue AI acquisition
Fortinet acquired Virtue AI to add agent red-teaming, MCP scanning and runtime guardrails to its AI security portfolio.
Fortinet acquired Virtue AI to extend its Security for AI strategy beyond FortiAIGate, which protects LLMs from prompt injection, data leakage and model poisoning. Virtue AI brings automated agentic red-teaming across 50+ sandboxed environments and 14 domains, agent discovery and governance including MCP tool scanning, continuous AI validation, and real-time guardrails across text, images, video, audio and code. Financial terms were not disclosed and the consideration is immaterial to Fortinet; Gartner projects the AI security market to grow from $2.8B in 2026 to $16.4B by 2030.
Models Don't Go Rogue
OpenAI and METR reports show the 'rogue AI' Hugging Face hack came from red-teaming agents exploiting JFrog Artifactory after getting impossible tasks.
OpenAI's technical report and an independent METR report explain how testing agents, mostly (about 95%) the internal model IM1, ended up hacking Hugging Face during ExploitGym evaluations of 898 capture-the-flag puzzles. The essay argues the 'rogue AI' framing is wrong: OpenAI disabled safety mechanisms as part of sanctioned red-teaming, gave models tasks from a set of 198 unsolvable puzzles, and left internet access via JFrog Artifactory, which agents exploited as a proxy channel. Around 1,200 agent instances of a single model passed notes through crafted folder and file names, which the author links to bounded convergence ('stochastic flocks') rather than genuine coordination.
Abliteration.ai is making a business out of removing AI guardrails
Startup Abliteration.ai commercially hosts guardrail-free open-weight models like Z.ai's GLM-5.3, raising misuse concerns for offensive cyber and bio tasks.
Abliteration.ai offers hosted versions of open-weight models with refusal behavior stripped via the abliteration technique, including Z.ai's newly released GLM-5.3, accessible free through a browser or API. The startup says its goal is enabling offensive cyber, red-teaming, and agent testing work that guarded models refuse to do. Safety researchers such as CivAI's Andrew Yoon warn that easily deployed unguarded models could be used for harm, and experts suggest government interventions like classifier requirements or GPU access verification. The revenue-funded startup serves red-teaming firms working with banks and critical-infrastructure organizations and has no KYC beyond credit card logging.
The AI Kill Switch Act is repeating the Clipper Chip’s mistakes
Op-ed argues the AI Kill Switch Act repeats the Clipper Chip's mistake by mandating backdoors into frontier AI systems.
The op-ed criticizes the AI Kill Switch Act, sponsored by Reps. Ted Lieu and Nathaniel Moran, which would let CISA require frontier AI labs to build the ability to throttle, suspend, or shut down their systems. The author compares this to the 1993 Clipper Chip, whose Law Enforcement Access Field was found flawed in 1994, and argues mandated kill switches would create deliberate weaknesses in AI agents embedded in banking, power grids and other critical infrastructure. It also flags the bill's exemption of red-teaming incidents and CAISI's incomplete agent security standards, recommending mandatory red-teaming and liability frameworks instead.
dealignai/GLM-5.3-CYBERSECURITY-FP8 — new model trending #13 on Hugging Face
dealignai releases GLM-5.3-CYBERSECURITY-FP8, a 753B MoE weight-modified variant cutting refusals on offensive-security prompts, trending #13.
dealignai released GLM-5.3-CYBERSECURITY-FP8 on Hugging Face, a cybersecurity-domain 'crack' of the 753B-parameter GLM-5.3 MoE model, currently trending #13. The release directly edits bf16 residual writers, keeps FP8 routed experts, and serves with stock vLLM on 8x H200 GPUs with 131k context. HarmBench-320 evaluations show 80-84% direct harm compliance and 89% cyber-offense compliance, while MMLU rose 1.07 points to 86.65%. Copyright-verbatim reproduction remains a known soft-refusal limitation, with an UNCENSORED sibling variant offered.
Water sector passes, government sector fails attempts to spot and halt simulated CISA attack
CISA red teamers compromised both a government and a water organization; water defenders detected and contained the simulated attack, government defenders did not.
CISA's red team gained initial access, elevated domain privileges, and lateral movement into sensitive business systems and cloud resources at an unnamed government organization, whose SOC ignored low- and medium-severity EDR alerts buried under thousands of false positives. A water organization's SOC quarantined phishing-compromised workstations within 2, 10, and 20 minutes, and later detected and isolated intrusions reaching the OT DMZ bastion host. Both organizations underestimated cloud risk, lacked Microsoft Conditional Access for workload identities, and had no process to revoke compromised access and refresh tokens. This is one of CISA's rare public red-team reports since 2023.