Researchers find new mathematical method to break RSA encryption

Cryptography researchers have identified a new approach for breaking RSA encryption, one of the most widely used methods for securing digital communications. Until now, experts believed that factoring extremely large numbers was the only practical way to defeat RSA's security.

The newly described method reportedly works faster than previous approaches under certain conditions, challenging long-held assumptions about the algorithm's resilience. Researchers say the finding could prompt further scrutiny of RSA implementations and encourage continued movement toward newer encryption standards.

Details of the technique are being studied by the broader security community to assess its real-world impact and whether current RSA key sizes remain adequately protected against it.