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Security & Privacy

The most popular blog posts about security & privacy on Hacker News. 642 posts.

2022
608

Cannoli: The Fast QEMU Tracer

Cannoli Cannoli is a high-performance tracing engine for qemu-user. It can record a trace of both PCs executed as well as memory operations. It consists of a small patch to QEMU to expose locations to inject some code directly into the JIT, a shared library which is loaded

614

An Armful of CHERIs

Today, Arm announced that the first silicon supporting the Morello prototype architecture, a research project led by Arm, Microsoft, University of Cambridge and others, is now available on a limited run of demonstration boards, which are being shipped from today to industry partners for testing. Morello is the first…

619

Stealing checks worth millions and pwning a bank

Another long (hacker) story of mine! Once upon a time contracted to do a penetration test on a bank… I spent the better part of a week assessing every nook and cranny of the main web application. I mapped every function, and every web path, but the main website was very hardened. After spending a lot of time…

620

Google Cloud to acquire Mandiant for $5.4B

MOUNTAIN VIEW, Calif. (March 8, 2022)—Google LLC today announced that it has signed a definitive agreement to acquire Mandiant, Inc., a leader in dynamic cyber defense and response, for $23.00 per share, in an all-cash transaction valued at approximately $5.4 billion, inclusive of Mandiant’s net cash. Upon the close…

623

The harmful consequences of the robustness principle

The robustness principle, often phrased as "be conservative in what you send, and liberal in what you accept", has long guided the design and implementation of Internet protocols. The posture this statement advocates promotes interoperability in the short term, but can negatively affect the protocol ecosystem over…

626

A Memory Safe Implementation of the Network Time Protocol

Folkert and the team at Tweede golf are helping us to build a memory safe NTP implementation. We asked them to share their experience in this blog post. Thank you for your partnership and contributions, Tweede golf team! Josh Aas, Head of ISRG’s Prossimo project For the last few months we at Tweede golf have been…