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Topics /
Security & Privacy
The most popular blog posts about security & privacy on Hacker News. 279 posts.
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Attack of the Week: Apple iMessage
Today’s Washington Post has a story entitled “Johns Hopkins researchers poke a hole in Apple’s encryption”, which describes the results of some research my students and I have bee…
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Reverse engineering and removing Pokémon GO’s certificate pinning
A deep dive into Pokémon GO’s certificate pinning.
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JetBrains IDE Remote Code Execution and Local File Disclosure
TL;DR From at least 2013 until May 2016 JetBrains' IDEs were vulnerable to local file leakage, with the Windows (EDIT: and OS X) versions …
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How I found a data leak of a company during a college lecture
A few weeks ago I gave a guest lecture at the Windesheim University of Applied Sciences in The Netherlands. Being a Windesheim graduate myself I’ve always kept in touch with my former teachers. One of them told me recently that a lot of students want to learn more about IT security & hacking and invited me to give a…
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Widespread XSS Vulnerabilities in Ad Network Code
For most of us, the title of this post may not be very surprising. Any time we allow 3rd party scripts to run on our sites, we effectively relinquish control of the code that executes on the client. This is particularly important when integrating ad network scripts since they are inherently more dynamic than most…
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CloudFlare, SSL and unhealthy security absolutism
Let's start with a quick quiz: Take a look at haveibeenpwned.com [https://haveibeenpwned.com/] (HIBP) and tell me where the traffic is encrypted between: You see HTTPS which is good so you know it's doing crypto things in your browser, but where's the other end of
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The State of Linux Security
This is the state of Linux security. With the most important updates around Linux and open source security. From conferences to self-protection.
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Dissecting a spammer's spam script
Let's dissect a PHP spam script and find out how spammers send spam messages and how they have tried to obfuscate the actual code they use.
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Controlling vehicle features of Nissan LEAFs remotely via vulnerable APIs
Last month I was over in Norway doing training for ProgramUtvikling, [http://programutvikling.no/] the good folks who run the NDC conferences I've become so attached to. I was running my usual “Hack Yourself First” workshop [https://www.troyhunt.com/2016/02/more-europe-even-more-again-and-more.
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Configuring a High Interactivity SSH HoneyPot
Due to continued visitation resulting in 404s to this article it has been restored from an older, and lost, version of this blog from content at – https://web.archive.org/web/20170811222717/https://www.robertputt.co.uk/2016/11/28/learn-from-your-attackers-ssh-honeypot/ , it may be incomplete, for example images being…
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Learning Exploitation with Offensive Computer Security 2.0
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Zero Knowledge Proofs: An illustrated primer (2014)
One of the best things about modern cryptography is the beautiful terminology. You could start any number of punk bands (or Tumblrs) named after cryptography terms like ‘hard-core predicate&#…
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Analyzing the Patterns of Numbers in 10M Passwords (2015)
There are many patterns for numbers in passwords, which involve surprising yet intuitive logic.
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OpenSSL CVE-2016-0799: heap corruption via BIO_printf
There are a couple of issues with OpenSSL’s BIO_*printf() functions, defined in crypto/bio/b_print.c, that are set to be fixed in the forthcoming security release. The function that is primar…
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SELinux is beyond saving
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…
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Advanced Tor Browser Fingerprinting
The ability to privately communicate through the internet is very important for dissidents living under authoritary regimes, activists and basically everyone concerned about internet privacy.
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The Internet of Things Will Be the World's Biggest Robot
The Internet of Things is the name given to the computerization of everything in our lives. Already you can buy Internet-enabled thermostats, light bulbs, refrigerators, and cars. Soon everything will be on the Internet: the things we own, the things we interact with in public, autonomous things that interact with…
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TOTP SSH port fluxing
Some people change their SSH port on their servers so that it is slightly harder to find for bots or other nasties and while that is generally viewed as an action of security through obscurity it does work very well at killing a lot of the automated logins you always see in /var/log/auth.log .
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How I verify data breaches
Let me start with this headline [http://www.reuters.com/article/us-cyber-passwords-idUSKCN0XV1I6]: Other headlines went on to suggest that you need to change your password right now [http://www.iflscience.com/technology/millions-passwords-hotmail-gmail-and-yahoo-have-been-stolen] if you're using the likes
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Gas Theft Gangs Fuel Pump Skimming Scams
Few schemes for monetizing stolen credit cards are as bold as the fuel theft scam: Crooks embed skimming devices inside fuel station pumps to steal credit card data from customers. Thieves then clone the cards and use them to steal hundreds of gallons of gas at multiple filling stations. The gas is pumped into…
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Cyberpower crushes coup
Rewriting the rulebook on coups, time to add cyberpower