Two analytics firms say they have robust intelligence pointing to a North Korean state-backed group as the likely culprit.
If the accusations are true, the record-making heist shows how powerful suspected North Korean hackers have become.
The cyber-attack, which the company describes as complex, is believed to be the largest ever of its kind.
Shares in Intel continue to fall while the tech-heavy Nasdaq opens at its lowest level in more than two months.
Guardian columnist, senior economics commentator and host of the new Radical Thinking podcast Aditya Chakrabortty answer...
Cyber correspondent Joe Tidy explains more about what is suspected to be the biggest hack in history.
Google spooked investors so badly that its stock hit a six-month low, after it revealed its AI own search summaries were...
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