Quantum computers need vastly fewer resources than thought to break vital encryption

A collection of Ars Technica security stories from Feb–Mar 2026 highlighting multiple high-impact trends and incidents: new quantum‑computing analyses and Google moving its Q‑Day estimate up to 2029 (accelerating the need to move off RSA/ECC); multiple supply‑chain compromises (Trivy scanner, invisible‑Unicode attacks on repos); active, in‑the‑wild exploitation of powerful iPhone attack tooling (“DarkSword”); large‑scale device infections (14k routers, self‑propagating malware wiping Iran‑based machines); targeted destructive attacks (Stryker wiper); disclosed vulnerabilities in IP‑KVMs; a new