Nous Research Releases Contrastive Neuron Attribution (CNA): Sparse MLP Circuit Steering Without SAE — 2026-05-23

Impact Vector: AI Tools · May 23, 2026 · 2m

## Short Segments Perplexity open-sources Bumblebee, a read-only supply-chain scanner for developer endpoints, addressing a critical security gap. Attackers are increasingly targeting developer machines, not just production systems. Bumblebee, now available on GitHub, is designed to scan macOS and Linux environments for risky packages, browser extensions, and AI tool configurations without modifying the machine. This tool helps security teams quickly identify which developer machines are exposed to new vulnerabilities by checking local developer state, such as lockfiles and package metadata…