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Homomorphic encryption allows third parties and third-party technologies to conduct operations on encrypted data. Homomorphic encryption is appealing because it preserves data privacy but allows users to make use of the data. It is considered a next-generation data security technology, but researchers have identified a vulnerability that could allow threat actors to steal data even as it is being encrypted.

A group of academics from the North Carolina State University and Dokuz Eylul University have demonstrated “the first side-channel attack on homomorphic encryption” that could be exploited to leak data as the encryption process is underway.

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A group of academics from the North Carolina State University and Dokuz Eylul University have demonstrated what they say is the “first side-channel attack” on homomorphic encryption that could be exploited to leak data as the encryption process is underway. “Basically, by monitoring power consumption in a device that is encoding data for homomorphic encryption, we are able to read the data as it is being encrypted,” Aydin Aysu, one of the authors of the study, said. “This demonstrates that even next generation encryption technologies need protection against side-channel attacks.”

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