AgentsProofpoint Acquires Acuvity for Agentic Workspace SecurityProofpoint·high signalXBlueskyLinkedInCopy linkFirst cybersecurity platform for comprehensive agentic workspace protection. MCP server governance, shadow AI discovery, intent detection.SourceSource pageProofpoint↳ Follow the threadPolicy dependency / Stack layerCROSS-CATEGORY: Salesforce, Zendesk and Workable All Shipped Named Agent Portfolios on Sept 14, Each Metered in a Different UnitZendesk newsroom, Salesforce press release and Workable via GlobeNewswire (three independent Sept 14 announcements)Stack layer / Threat patternEncoding the Expected Answer as Executable Code Keeps Data-Science Agent Evals Valid on Live DataarXiv 2609.16487Stack layer / Threat patternEmergence World ran 10 agents per world for 16 days and found no frontier model contained an injected attack — one acted on poisoned memory 46 hours laterarXivPolicy dependency / Threat patternA Skill File Can Carry Distilled Memory, Collapsing Two Sets of Retrieval Machinery Into OnearXiv 2609.16669Stack layer / Threat patternTypeSafe AI ships Jev, a model that returns typed probabilistic values instead of text, at $0.042 per million input tokens and free outputTypeSafe AIPolicy dependency / Threat patternA Fine-Tuned RoBERTa-Large Permission Gate Matches Claude Haiku 4.5 at Deciding What an Agent May ToucharXiv 2609.15422Policy dependency / Stack layerZuckerberg Rejects a Coordinated AI Slowdown, Offers Meta's Muse Delay as the Alternative ModelBloombergPolicy dependency / Threat patternIn a human-operator cyber range, RL-trained defensive agents beat heuristic policies but performance swings with the adversary and the simulated usersarXiv