There's a new way to break RSA that's faster than anything we've seen before

The world has known for decades that the RSA cryptosystem ’s days are numbered. Once quantum computing becomes practical (estimates for that range from 3 to 20 or more years), the foundational security it provides will crumble. New research has revealed a novel method that uses classical computing to reduce the current RSA security level to an unacceptably low threshold.