Securing the Quantum Future: Exploiting Crosstalk and Controller Vulnerabilities
summary
Experiments run on IBM and other vendor machines demonstrate exploitable physical imperfections: crosstalk between qubits lets a nearby circuit alter a victim’s results, and double-sided crosstalk—attackers on both sides—amplifies faults much like Rowhammer. The research targets the classical quantum controller (FPGA + DAC/ADC stack) as an easier attack surface to observe or modify circuits. Flipping qubits currently produces noisy or denial‑of‑service outputs; a tailored flip that yields attacker‑chosen results remains an open but feasible goal.
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chapters (10)
- 0:00Introduction
- 0:21Quantum computer access
- 1:03Crosstalk imperfections
- 2:08Double-sided crosstalk
- 3:32Multi-tenancy risks
- 4:55Quantum engineering challenges
- 6:00Security by design
- 7:46Controller vulnerabilities
- 8:49Attacking controllers
- 9:31Qubit state flips
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