Biz & IT – Ars Technica

Merkle Tree Certificate support is already in Chrome. Soon, it will be everywhere.

That guest network you set up for your neighbors may not be as secure as you think.

Contrary to what password managers say, a server compromise can mean game over.

Broadcom’s “strategy was never to keep every customer,” CloudBolt report says.

This story has been retracted

OpenAI’s new GPT‑5.3‑Codex‑Spark is 15 times faster at coding than its predecessor.

Distillation technique lets copycats mimic Gemini at a fraction of the development cost.

ClickFix bait, combined with advanced Castleloader malware, is installing Lumma “at scale.”

Zoë Hitzig resigned on the same day OpenAI began testing ads in its chatbot.

The $20,000 experiment compiled a Linux kernel but needed deep human management.

Incident is at least the third time the exchange has been targeted by thieves.

Claude Opus 4.6 and OpenAI Frontier pitch a future of supervising AI agents.

Sam Altman calls AI competitor “dishonest” and “authoritarian” in lengthy post on X.

Publishers are rolling out more aggressive defenses.

The window to patch vulnerabilities is shrinking rapidly.

ChatGPT competitor comes out swinging with Super Bowl ad mocking AI product pitches.

Some semi-unhinged musings on where LLMs fit into my life—and how I’ll keep using them.

Two AI giants shake market confidence after investment fails to materialize.

We don’t need self-replicating AI models to have problems, just self-replicating prompts.

Suspected China-state hackers used update infrastructure to deliver backdoored version.