agent 就是你写的那段程序，trainer 就是一个 actor，reward 是你在 Env 或 ChatAgent 里随手写的任意 Python。剩下的活儿三个大件全包了。README 里反复强调一个数字：大约 8600 行 RL 代码（推文里说的 9K 是个约数），却能撑到 1T 级别的 MoE。 OpenRLHF 的 ...

AI agent security now has a purpose-built open-source guardrail: Ant Group released SingGuard-NSFA, a free framework that catches prompt injection and credential-theft patterns before AI agents ...

Threat researchers at cloud security firm Sysdig have disclosed what they describe as the first documented ransomware operation carried out end-to-end by an autonomous AI agent, with no human typing ...

Cloud security firm Sysdig has documented what it says is the first ransomware attack carried out from initial exploitation through encryption by an autonomous AI agent, without a human directing each ...

An open WP-SHELLSTORM server exposed tools, logs, and target lists naming 1.4 million sites, with researchers validating ...

Researchers have developed a benchmarking framework to assess whether artificial intelligence (AI) can generate decentralized ...

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The annual Florida Python Challenge is set to begin. Starting at 12:01 a.m. ET July 10 and concluding at 5 p.m. July 19, ...

a laptop screen with a webpage of the IT Army of Ukraine group of volunteer hackers. The IT Army of Ukraine first set up in the wake of Russia's devastating attack, and has since hugely grown in ...

Sysdig says JADEPUFFER may be the first agentic ransomware case, exposing how AI agents can turn old credential failures into database destruction. JADEPUFFER is a warning about exposed AI ...

BACKGROUND: Despite strong guideline recommendations for cardiac rehabilitation (CR) following an acute myocardial infarction ...