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Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,337 posts.
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The Asian domain-name extortion scam
We are a leading internet solutions organization in Asia, and we have something urgent to confirm with you. Yesterday we received a formal application from a company called ” Varmer Investment Co., Ltd “. They were trying to apply for ” instapaper ” as Brand Name and following Domain Names through our organization:
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The New Normal: 200-400 Gbps DDoS Attacks
Over the past four years, KrebsOnSecurity has been targeted by countless denial-of-service attacks intended to knock it offline. Earlier this week, KrebsOnSecurity was hit by easily the most massive and intense such attack yet — a nearly 200 Gbps assault leveraging a simple attack method that industry experts say is…
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Changing Passwords
How often should you change your password? I get asked that question a lot, usually by people annoyed at their employer’s or bank’s password expiration policy: people who finally memorized their current password and are realizing they’ll have to write down their new password. How could that possibly be more secure…
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Deceiving Users with the Facebook Like Button
Facebook just launched a super-easy widget called "The Facebook Like Button". Website owners can add a simple iframe snippet to their html, enabling a nice "Like" button with a count of other people's "Likes" and a list of faces of people if any of them are your friends. The advantage of this new tool is that you…
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Facebook's DKIM RSA key should be crackable
If Facebook sends you a mail they will sign it using DKIM . Here are the headers from a mail I received the other day: DKIM-Signature: v=1...
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Securing your ssh server
A social nerd writing about everything
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Intercepting Predator Video
Sometimes mediocre encryption is better than strong encryption, and sometimes no encryption is better still. The Wall Street Journal reported this week that Iraqi, and possibly also Afghan, militants are using commercial software to eavesdrop on U.S. Predators, other unmanned aerial vehicles, or UAVs, and even piloted…
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A Tour Of A “Pay to Download Firefox” Site
At Mozilla , we regularly get anguished emails from people who have paid to download Firefox, and have then discovered a) that it's actually free, and b) that it's very hard to get the company they paid to stop charging their credit card. For those who have never had the misfortune to visit one of these trap sites, I…
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Return-Oriented Programming without Returns (on the x86)
We show that on the x86 it is possible to mount a return-oriented programming attack without using any return instructions. Our new attack instead makes use of certain instruction sequences that behave like a return; we show that these sequences occur with sufficient frequency in large Linux libraries to allow…
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Schneier on Security: Software Problems with a Breath Alcohol Detector
This is an excellent lesson in the security problems inherent in trusting proprietary software: After two years of attempting to get the computer based source code for the Alcotest 7110 MKIII-C, defense counsel in State v. Chun were successful in obtaining the code, and had it analyzed by Base One Technologies, Inc…
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Advanced SSH Techniques
At one site where I provide technical assistance, access to the network is all done via ssh over the Internet. However, one can't get access to the machines directly; one must first make an ssh connection to a gateway box I'll call martha. martha doesn't allow one to use regular passwords or keys, though. We're all…
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Europe: The end of the privacy of digital correspondence
The End of the Privacy of Digital Correspondence The EU wants to oblige providers to search all private chats, messages, and emails automatically for suspicious content - generally and indiscriminately. The stated aim: To prosecute child pornography. The result: Mass surveillance by means of full
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From kafkatrap to honeytrap
The short version is: if you are any kind of open-source leader or senior figure who is male, do not be alone with any female, ever, at a technical conference. Try to avoid even being alone , ever, because there is a chance that a “women in tech” advocacy group is going to try to collect your scalp.
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My GMail password scares me with its power
Google’s GMail blog has some “handy” advice on how pick a good password to project your email account. Don’t use dictionary words, use mixed case,…
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Overclocking SSL
(This is a write up of the talk that I gave at Velocity 2010 last Thursday. This is a joint work of myself, Nagendra Modadugu and Wan-Teh Chang.)
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