It's School time: Adventures in hacking an old Kindle
Jailbreaking an old Kindle and turning it into a school dashboard using Cloudflare Workers, Puppeteer, and image processing.
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,335 posts.
Jailbreaking an old Kindle and turning it into a school dashboard using Cloudflare Workers, Puppeteer, and image processing.
A great find: In his 1956 short story, “Let’s Get Together,” Isaac Asimov describes security measures proposed to counter a terrorist threat: “Consider further that this news will leak out as more and more people become involved in our countermeasures and more and more people begin to guess what we’re doing. Then…
In this post, I would like to share about new CSS based attack with unicode-range descriptor of @font-face rule . Using this technique, an...
A writeup of my $4133.70 Google Drive vulnerability chain.
Put an io_uring on it - Exploiting the Linux Kernel - chompie at the bits
This started with a consulting snafu: Government organisation A got government organisation B to develop a web application. Government organisation B subcontracted part of the work to somebody. Hosting and maintenance of the project was later contracted out to a private-sector company C. Company C discovered that the…
💡Update May 26, 2025: I've published the source code for TeleMessage Explorer: a new open source research tool I've been digging through the 410 GB of Java heap dumps from TeleMessage's archive server, provided by DDoSecrets. Here's a description of the dataset, some of my initial
The Associated Press today points to a remarkable footnote in a recent State Department inspector general report on the Hillary Clinton email scandal: The mail was managed from the vanity domain “ clintonemail.com .” But here’s a potentially more explosive finding: A review of the historic domain registration records…
Rant ahead: I hate TLS “Inspection” software with a burning passion and I wish we collectively as an industry would just knock it the fuck off and stop pretending it’s some great security benefit. Every time I encounter it, in whatever form, it’s a gigantic headache that makes everyone’s life worse off and as far as I…
It seems that there is no limit to human ingenuity when it comes to working around limitations within one's environment. For example, imagine you genuinely wanted to run a device requiring mains power in the centre of your inflatable pool - you're flat out of luck, right? Wrong! Or
macOS may alert you when you’re trying to open or run a file, with an alert informing you that malware was detected. But what about in scans?
Forgive the lousy screenshot and transparency in the title bar, but I just got ...
Every week, Macs running High Sierra will check the integrity of their EFI firmware, in a bid to detect tampering by malware.
Update 2018-06-19: Yubico updated their statement on 2018-06-18, apologizing and crediting us: https://twitter.com/Yubico/status/1008816076610625536
This blog is written by Hanno Böck. Unless noted otherwise, its content is licensed as CC0 .
An analysis using Process Monitor and WinDbg, dealing with JavaScript, WASM, and Windows shellcode.
Dual_EC_DRBG is an pseudo-random number generator promoted by NIST in NIST SP 800-90A and created by NSA. This algorithm is problematic because it has been made mandatory by the FIPS norm (and should be implemented in every FIPS approved software) and some vendors even promoted this algorithm as first source of…
Crazed Tik-Toker's Tirade Against University Professor Raises Fact v. Opinion Issue
By now most infosec professionals are aware of various ways SMS text messaging can be hijacked. For example so-called “SIM Swap” attacks…
The direct result of bulletproof infrastructure / cloud providers which are "too big to fail" is the balkanized internet . I don't think this has fully come to pass, but it might be starting to happen or might come to pass soon.
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…