Anthropic says Claude Mythos Preview was able to break a weaker version of AES and it orchestrated another improved attack against HAWK cryptographic system (Dustin Volz/New York Times)

<a href="https://www.nytimes.com/2026/07/28/us/politics/anthropic-ai-encryption-security-aes.html?unlocked_article_code=1.1FA.n8t8.V0StB9-mJb0x&amp;smid=url-share"><img align="RIGHT" border="0" hspace="4" src="http://www.techmeme.com/260728/i34.jpg" vspace="4" /></a> <p><a href="https://www.techmeme.com/260728/p34#a260728p34" title="Techmeme permalink"><img height="12" src="http://www.techmeme.com/img/pml.png" style="border: none; padding: 0; margin: 0;" width="11" /></a> Dustin Volz / <a href="https://www.nytimes.com/">New York Times</a>:<br /> <span style="font-size: 1.3em;"><b><a href="https://www.nytimes.com/2026/07/28/us/politics/anthropic-ai-encryption-security-aes.html?unlocked_article_code=1.1FA.n8t8.V0StB9-mJb0x&amp;smid=url-share">Anthropic says Claude Mythos Preview was able to break a weaker version of AES and it orchestrated another improved attack against HAWK cryptographic system</a></b></span>&nbsp; &mdash;&nbsp; Claude Mythos Preview discovered new attacks in testing against weakened cryptographic algorithms, which protect online financial transactions, private communications and more.</p>