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The most popular blog posts about security & privacy on Hacker News. 300 posts.
There’s a new Cisco vulnerability in its Emergency Responder product: This vulnerability is due to the presence of static user credentials for the root account that are typically reserved for use during development. An attacker could exploit this vulnerability by using the account to log in to an affected system. A…
The United Parcel Service (UPS) says fraudsters have been harvesting phone numbers and other information from its online shipment tracking tool in Canada to send highly targeted SMS phishing (a.k.a. “smishing”) messages that spoofed UPS and other top brands. The missives addressed recipients by name, included details…
Leading “threat intelligence” firms are creating fake online personas to gain access to every corner of the web.
I managed to exploit the Nintendo DSi browser 15 years after it was released in Japan. This post will go over the journey and the technical details.
The `ldd` utility is more vulnerable than you think. It's frequently used by programmers and system administrators to determine the dynamic library dependencies of executables. Sounds pretty innocent, right? Wrong! In this article I am going to show you how to create an executable that runs arbitrary code if it's...
A tale how running your own x509 root CA – for internal services – changed in the last 20 years.
So far I discovered 18 malicious extensions with 55 million users in total. Most popular ones are: Autoskip for Youtube, Crystal Ad block and Brisk VPN. They have been active for two years, undetected by Google.
Prompt injection remains an unsolved problem. The best we can do at the moment, disappointingly, is to raise awareness of the issue. As I pointed out last week, “if you …
It's annual Wii U exploit time! 😄 Image of the Wii U connection test screen on the GamePad. After reverse engineering parts of the Wii Us' ...
Google says it has suspended the app for the Chinese e-commerce giant Pinduoduo after malware was found in versions of the software. The move comes just weeks after Chinese security researchers published an analysis suggesting the popular e-commerce app sought to seize total control over affected devices by exploiting…
Back in 2017 I wrote an article in which I attempted to explain how YouTube works under the hood, how it serves streams to the client, and also how you can exploit that knowledge to download videos from the site. The primary goal of that write-up was to…
If you haven’t been living under a rock, you probably already know what ChatGPT is. I am an operator of high bandwidth Tor exit relays, and with that, I get a lot of abuse complaints. Combined with the fact that I have ai lease on a “/24” of IPv4 space, basically a block of 256 IP addresses, I have the IP space’s…
or why Twitter disabled SMS 2FA 💬
A shocking number of organizations — including banks and healthcare providers — are leaking private and sensitive information from their public Salesforce Community websites, KrebsOnSecurity has learned. The data exposures all stem from a misconfiguration in Salesforce Community that allows an unauthenticated user to…
I ran command line macOS tools, such as Bash and Geekbench, on a jailbroken iPhone by replacing iOS’s dyld shared cache (all of iOS’s code) with macOS’s. However, graphical apps will never work: macOS’s WindowServer won’t start, since iOS’s drivers are too different.
Tech, Pets, and Vettes
A lot of new cryptography is landing in Go 1.20, including the new crypto/ecdh package and math/big-less RSA and ECDSA backends!
Fantastic Cheaters and Where to Find Them
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…
This is a fundamental principle of free and open source software. The World Wide Web abides by this principle, although we don’t often think of it that way. The Web is just an agreed-on set of programmatic interfaces: if you send me this, I’ll send you that. Your computer can construct the “this” by whatever means it…
I really want an AI assistant: a Large Language Model powered chatbot that can answer questions and perform actions for me based on access to my private data and tools. …
FairPlay comprises a set of algorithms created by Apple for digital rights management (also called DRM, digital rights management). FairPlay is currently used to manage the decryption of iOS applications during their installation on Apple devices. In fact, we know that Apple distributes all applications in the Apple…
Authorities in Germany this week seized Internet servers that powered FlyHosting , a dark web offering that catered to cybercriminals operating DDoS-for-hire services, KrebsOnSecurity has learned. FlyHosting first advertised on cybercrime forums in November 2022, saying it was a Germany-based hosting firm that was…
How I accidentally breached a nonexistent database and found every private key in a 'state-of-the-art' encrypted messenger called Converso.
The number of phishing websites tied to domain name registrar Freenom dropped precipitously in the months surrounding a recent lawsuit from social networking giant Meta , which alleged the free domain name provider has a long history of ignoring abuse complaints about phishing websites while monetizing traffic to…
In this blog post, we'll examine the virtualization obfuscation used by Nike
Apart from leaking everything, there's been "no breech". Avoid Tiffin Tom.
TouchEn nxKey is supposed to combat keyloggers. Instead, this application made writing a keylogger extremely simple, allowed attacking banking websites and more.
