Can Apple read your iMessages?
About a year ago I wrote a short post urging Apple to publish the technical details of iMessage encryption. I’d love tell you that Apple saw my influential crypto blogging and fell all over t…
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 684 posts.
About a year ago I wrote a short post urging Apple to publish the technical details of iMessage encryption. I’d love tell you that Apple saw my influential crypto blogging and fell all over t…
Posts and writings by Lennart Poettering
by John Perry Barlow Governments of the Industrial World, you weary giants of flesh and steel, I come from Cyberspace, the new home of Mind. On behalf of the future, I ask you of the past to leave us alone. You are not welcome among us. You have no sovereignty where we gather.We have no elected...
People commented about a point I made in a recent essay: In the months after 9/11, so many people chose to drive instead of fly that the resulting deaths dwarfed the deaths from the terrorist attack itself, because cars are much more dangerous than airplanes. Yes, that’s wrong. Where I said “months,” I should have…
Earlier this month a new paper by Naomi Benger, Joop van de Pol, Nigel Smart, and Yuval Yarom hit the news . The paper explains how to recover secret keys from OpenSSL's implementation of ECDSA-secp256k1 using timing information from "as little as 200 signatures"; ECDSA-secp256k1 is the signature system used by…
Description of what we have learned
I receive a fair amount of email from strangers. My email address is public, which doesn’t seemto be a popular choice these days, but I’ve received enough inspiring correspondence over the yearsto leave it be.When I receive a GPG encrypted email from a stranger, though, I immediately get the fee...
A Hacker's Blog of Unintended Use and Insomnia.
The Black Chamber was founded by the U.S. Army and the U.S. State Department in 1919. The Secretary of State terminated funding in 1929, famously writing that "Gentlemen do not read each other's mail."
Firstyear's blog
In another week the GDPR , or the General Data Protection Regulation will become enforceable and it appears that unlike any other law to date this particular one has the interesting side effect of causing mass hysteria in the otherwise rational tech sector.
After years of wrestling GnuPG with varying levels of enthusiasm, I came to the conclusion that it’s just not worth it, and I’m giving up. At least on the concept of long term PGP keys.
Imagine… Last night, lightning struck our house and burned it down. I escaped wearing only my nightclothes. In an instant, everything was vaporised. Laptop? Cinders. Phone? Ashes. Home server? A smouldering wreck. Yubikey? A charred chunk of gristle. This presents something of a problem. In order to recover my digital…
I originally wrote this for my friends and family in 2015, to explain why the latest Facebook privacy policy is really harmful. It’s since been read b
This article was discussed on Hacker News ( later ), on reddit ( also ), featured in BSD Now 294 . Also check out this Endlessh analysis .
The risk that cryptographically-relevant quantum computers materialize within the next few years is now high enough to be dispositive, unfortunately.
This article shows how to construct a non-recursive zip bomb that achieves a high compression ratio by overlapping files inside the zip container. "Non-recursive" means that it does not rely on a decompressor's recursively unpacking zip files nested within zip files: it expands fully after a single round of…
How Chrome OS, Termux, YubiKey & Duo Mobile make for great usable security. A travel Chromebook for modern development, online and offline.
(If you just want some recommendations for what to do, skip down to the Recommendations section below .)
Schmidt said: I think judgment matters. If you have something that you don’t want anyone to know, maybe you shouldn’t be doing it in the first place. If you really need that kind of privacy, the reality is that search engines—including Google—do retain this information for some time and it’s important, for example…
I would like to warn current and future owners of .ly domains of a concerning incident regarding the deletion of one of our prime domains…
Copyleft trolls, robosigning, and Pixsy.
When someone passed me hundreds of thousands of records on kids taken from CloudPets a few years ago [https://www.troyhunt.com/data-from-connected-cloudpets-teddy-bears-leaked-and-ransomed-exposing-kids-voice-messages/] , I had a nightmare of a time getting in touch with the company. They'd
Some timezone observations on the recently discovered backdoor hidden in an xz tarball.
Websites in South Korea often require installation of “security applications.” Not only do these mandatory applications not help security, way too often they introduce issues.