Now, defenders are embracing the prompt injection, too

A collection of Ars Technica security stories (June–July 2026) highlighting rising AI/LLM attack and defense techniques (prompt injection, context bombing, AI-botnet assembly), multiple high-impact vulnerabilities and 0-days (Windows Defender patch that could enable disk-filling attacks, PeopleSoft 0-day, critical Copilot flaw), a high-severity guest-VM escape bounty paid by Google, and active malware campaigns (macOS PamStealer, Crypto Clipper). Additional coverage includes a massive credential breach affecting enterprises, Secure Boot key rollover guidance, AMD memory-encryption controversy,