Post-quantum iMessage
Dr. Martin Shelton
March 7, 2024
It’s the Digital Security Training team at Freedom of the Press Foundation (FPF), with security news that keeps you, your sources, and your devices safe. If someone has shared this newsletter with you, please subscribe here.
Both in the U.S. and abroad, governments are capturing encrypted connections that pass over the public internet and saving them for later use. Such “harvest now, decrypt later” attacks are no longer the thing of science fiction, thanks to post-quantum computers that could meaningfully shorten the amount of time required to unscramble encryption, allowing attackers to read previously private messages.
Such attacks could be more viable within years or decades, so a growing number of organizations are preparing for them with post-quantum encryption. In its recent iOS and iPadOS 17.4 updates, Apple has joined Signal and other online services in offering post-quantum encryption to resist these attacks. Learn more here.
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Best,
Martin