nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpql20h3kyqwnvxgvn2acujxtwjl4hztzcpqj4x45wkyx59sy97jwyq2wz3lm https://techcrunch.com/2026/02/24/treasury-sanctions-russian-zero-day-broker-accused-of-buying-exploits-stolen-from-u-s-defense-contractor/