Quantum Computing Breakthroughs Reduce Resources Needed to Break Online Security
By
By Charlie Wood April 3, 2026
Summary
Two research groups have made significant breakthroughs in quantum computing, reducing the number of qubits and time required to break common online security technologies. Building on Peter Shor's foundational 30-year-old algorithm that showed quantum computers could solve math problems underpinning digital security, these new advances bring the practical era of quantum computers closer to reality. The research demonstrates that quantum computers could potentially crack widely-used encryption methods like RSA with far fewer resources than previously thought, accelerating the timeline for when quantum computing could disrupt current cybersecurity infrastructure.
Source
bskyQuantum Computing Breakthroughs Reduce Resources Needed to Break Online Securityquantamagazine.orgKey quotes
· 3 pulledSome 30 years ago, the mathematician Peter Shor took a niche physics project — the dream of building a computer based on the counterintuitive rules of quantum mechanics — and shook the world.
Shor worked out a way for quantum computers to swiftly solve a couple of math problems that classical computers could complete only after many billions of years.
Those two math problems happened to be the ones that secured the then-emerging digital world.
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