Microsoft's 'Unhackable' Xbox One Lasted 12 Years. A Former Employee Just Broke It With a $4 Chip.

Microsoft famously said the Xbox One was the "most secure console" it had ever released. That was 12 years ago. Last week, a former Microsoft employee announced he'd finally cracked it — using a $4 microcontroller. The Man Who Worked There The ex-employee, Markus Gaasedelen, was speaking at the RE//verse 2026 conference. His hardware exploit, which he calls Bliss, attacks the Xbox One right at the bedrock of its security defenses: the boot ROM. The boot ROM is baked into the silicon. It can't be patched. No firmware update will ever fix this. Why It Was "Unhackable" The reason the Xbox One was "unhackable" was because Microsoft built a layered defense. A custom Hyper-V hypervisor shares silicon with the games, blocking notorious jailbreak tricks like DMA attacks. An ARM-based security co-processor arms the boot ROM with hard-to-cut keys. One-off hardware keyboxes add another layer. And, finally, unsigned code can't be booted up because every stage of the boot sequence locks the doors b