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Reverse engineering Ticketmaster's rotating barcodes
"Screenshots won't get you in", but Chrome DevTools will.
Topics /
Security & Privacy
The most popular blog posts about security & privacy on Hacker News. 536 posts.
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Bypassing airport security via SQL injection
We discovered a serious vulnerability in the Known Crewmember (KCM) and Cockpit Access Security System (CASS) programs used by the Transportation Security Administration.
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Anyone can access deleted and private repository data on GitHub
You can access data from deleted forks, deleted repositories and even private repositories on GitHub. And it is available forever. This is known by GitHub, and intentionally designed that way.
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Thanks FedEx, this is why we keep getting phished
I've been getting a lot of those "your parcel couldn't be delivered" phishing attacks lately and if you're a human with a phone, you probably have been too. Just as a brief reminder, they look like this: These get through all the technical controls that exist at
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We spent $20 to achieve RCE and accidentally became the admins of .mobi
Welcome back to another watchTowr Labs blog. Brace yourselves, this is one of our most astounding discoveries. Summary What started out as a bit of fun between colleagues while avoiding the Vegas heat and $20 bottles of water in our Black Hat hotel rooms - has now seemingly become a major
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Gaining access to anyones Arc browser without them even visiting a website
gaining access to anyones browser without them even visiting a website
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Keep your phone number private with Signal usernames
Signal’s mission and sole focus is private communication. For years, Signal has kept your messages private, your profile information (like your name and profile photo) private, your contacts private, and your groups private – among much else. Now we’re taking that one step further, by making your...
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Apple Photos phones home on iOS 18 and macOS 15
This morning while perusing the settings of a bunch of apps on my iPhone, I discovered a new setting for Photos that was enabled by default: Enhanced Visual Search. (I manually disabled it before taking the screenshot below.)
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Jailbreaking RabbitOS
Critics unanimously agree that it sucks , and some have accused the company of deliberate deception . Rabbit Inc. reportedly accepts returns, but customers are so eager to get rid of their R1s that even new-in-box units are selling for well below RRP ($200) on secondary markets.
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I pwned half of America's fast food chains simultaneously
How I pwned half of America’s fast food chains, simultaneously. Also checkout Eva’s blogpost of this event. With an upbeat pling my console alerted me that my script had finished running, to be precise it was searching for exposed Firebase credentials on any of the hundreds of recent AI startups. This was achieved…
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Cloudflare defeats patent troll Sable at trial
Last Thursday, on a clear, sunny morning in Waco, Texas, a jury returned a verdict after less than two hours of deliberation. The jury found that Cloudflare did not infringe the patent asserted against Cloudflare by patent trolls Sable IP and Sable Networks.
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Timeline of the xz open source attack
Over a period of over two years, an attacker using the name “Jia Tan” worked as a diligent, effective contributor to the xz compression library, eventually being granted commit access and maintainership. Using that access, they installed a very subtle, carefully hidden backdoor into liblzma, a part of xz that also…
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Tips for linking shell companies to their secret owners
At a recent panel at the 2024 NICAR conference, Karrie Kehoe, deputy head of data and research at ICIJ, offered a series of tips for investigating the true owners of shell companies.
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Controlling the Taylor Swift Eras Tour wristbands with Flipper Zero
Many large concerts feature wristbands that light up on command. They are used to produce varied visual effects across a stadium. One compan...
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Passkeys: A shattered dream
Firstyear's blog
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Chat Control Must Be Stopped – Now
With its legislative proposal known as “Chat Control,” the EU Commission is trying to establish an unprecedented mass-surveillance apparatus of Orwellian proportions in the European Union. If EU citizens don’t stand up for privacy now, it may be too late.
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The tiny chip that powers Montreal subway tickets
To use the Montreal subway (the Métro), you tap a paper ticket against the turnstile and it opens. The ticket works through a system called ...
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Hacking 700M Electronic Arts accounts
(Ethically). Here's how I did it.
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Hacking millions of modems and investigating who hacked my modem
Two years ago, something very strange happened to me while working from my home network. I was exploiting a blind XXE vulnerability that required an external HTTP server to smuggle out files, so I spun up an AWS box and ran a simple Python webserver to receive the traffic from the vulnerable server.
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Polyfill supply chain attack hits 100K+ sites
The new Chinese owner of the popular Polyfill JS project injects malware into more than 100 thousand sites.
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Our audit of Homebrew
This is a joint post with the Homebrew maintainers; read their announcement here! Last summer, we performed an audit of Homebrew. Our audit’s scope included Homebrew/brew itself (home of the brew CLI), and three adjacent repositories responsible for various security-relevant aspects of Homebrew’s operation…
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DNS traffic can leak outside the VPN tunnel on Android
We were recently made aware of multiple potential DNS leaks on Android. They stem from bugs in Android itself, and only affect certain apps.
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Chat Control: Incompatible with Fundamental Rights (2022)
The EU Commission's draft regulation on chat control is currently being negotiated in the European Parliament and the Council of Ministers. With the fight against sexual violence against children, the draft pursues an objective that is essential for the protection of children and their rights and can justify…
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Social engineering takeovers of open source projects
By Robin Bender Ginn, Executive Director, OpenJS Foundation; and Omkhar Arasaratnam, General Manager, Open Source Security Foundation
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RFC 35140: HTTP Do-Not-Stab (2023)
Date: March 7, 2111
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Is Tor still safe to use?
This blog post is a response to an investigative news report about a large-scale law-enforcement attack that managed to de-anonymize a user of an old version of the long-retired app Ricochet. This blog post aims to provide insight into what we know so far. Nothing that the Tor Project has learned about this incident…
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Slack AI Training with Customer Data
Slack's Terms and Policies, including privacy, Terms of Service, API terms, security, and more.
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Google has another secret browser
another hidden browser which is accessible by a link