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Researcher Turns HDD Into Rudimentary Microphone
Speaking at a security conference, researcher Alfredo Ortega has revealed that you can use your hard disk drive (HDD) as a rudimentary microphone to pick up nearby sounds. This is possible because of how hard drives are designed to work. Sounds or nearby vibrations are nothing more than mechanical waves that cause HDD platters to vibrate. By design, a hard drive cannot read or write information to an HDD platter that moves under vibrations, so the hard drive must wait for the oscillation to stop before carrying out any actions. Because modern operating systems come with utilities that measure HDD operations up to nanosecond accuracy, Ortega realized that he could use these tools to measure delays in HDD operations. The longer the delay, the louder the sound or the intense the vibration that causes it. These read-write delays allowed the researcher to reconstruct sound or vibration waves picked up by the HDD platters. A video demo is here.
"It's not accurate yet to pick up conversations," Ortega told Bleeping Computer in a private conversation. "However, there is research that can recover voice data from very low-quality signals using pattern recognition. I didn't have time to replicate the pattern-recognition portion of that research into mine. However, it's certainly applicable." Furthermore, the researcher also used sound to attack hard drives. Ortega played a 130Hz tone to make an HDD stop responding to commands. "The Linux kernel disconnected it entirely after 120 seconds," he said. There's a video of this demo on YouTube. |
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| There are no conversations. |
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| Fredrik Bajer |
The interparliamentary conference should, in my opinion, direct its particular attention to the preparation of the next Hague Conference, the diplomatic conference, the conference of governments. |
| Sarah Wayne Callies |
Your work isn't just to learn and say the lines. Your work is to figure out what the chatter in your brain is, that's going on under the lines. It doesn't matter whether you're speaking or not speaking because your mind is working the way your character's mind would work. |
| Eminem |
Say there's a white kid who lives in a nice home, goes to an all-white school, and is pretty much having everything handed to him on a platter - for him to pick up a rap tape is incredible to me, because what that's saying is that he's living a fantasy life of rebellion. |
| Eddie Van Halen |
I don't feel a day older when it comes to my approach to music or what gets me off than when I was a teenager. I've always been into different kinds of stuff and when I play I like to play loud. I like my arm hairs to move and I like my body to vibrate 'cause I like the feel of it; I'm still a teenager at heart. |
| Joel Osteen |
I think faith is incredibly important because you will become overwhelmed with what's happening and you will have waves of grief, but when you turn to your faith, I believe God will give you waves of grace to get through it. |
| Fredrik Bajer |
The last Hague Conference has in the meantime expressed its opinion that a body should be established which could prepare for the work involved more effectively than has hitherto proved possible. |
| Jose Canseco |
I had already developed inherited back problems. I had degenerative disk disease, a form of scoliosis, arthritis. And I truly believe that if it weren't for the use of steroids - I'm not saying steroids is for everyone, but in my case in general, if I have not used steroids, I mean, physically right now I'd probably be a wreck. |
| Greg Iles |
I have not written a perfect sentence, in the literary sense. It's a lot easier to throw a perfect pass than to write a perfect sentence, if that sentence is meant to perform more than a mechanical function. |
| John Irving |
I write the last line, and then I write the line before that. I find myself writing backwards for a while, until I have a solid sense of how that ending sounds and feels. You have to know what your voice sounds like at the end of the story, because it tells you how to sound when you begin. |
| Michael Feldman |
I've always admired the kind of guy who moves into a place and restores it. Thanks to my efforts, the guy who moves into mine will have a chance to do just that. |
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Police Departments Are Training Dogs To Sniff Out Thumb Drives
A CNET report provides some insight on an elite K-9 search class that trains dogs to sniff out electronics, including phones, hard drives and microSD cards smaller than your thumb. From the report:
Only one out of every 50 dogs tested qualifies to become an electronic storage detection, or ESD, dog, says Kerry Halligan, a K-9 instructor with the Connecticut State Police. That's because it's a lot harder to detect the telltale chemical in electronics than it is to sniff out narcotics, bombs, fire accelerants or people, she says. But Labrador retrievers like Harley, with their long snouts and big muzzles, can pick up even the fa...
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this microwave doesn't work as hard as it used to!
"used to" is a really hard thing to think about when you think about it
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"I've always been a dreamer... when I was 14 I saw the Mr. Olympia contest and decided to pick up the weights... that same year I heard Eminem spit fire through my headphones and I decided to pick up a microphone. Even if my dreams never pan out, at least I won't go to the grave wondering if they could have." - BRO U AINT A RAPPER QUIT IT WIT THAT BS
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ive met 4 people who have overdosed on hard drugs in the past few years. some from high school, some i didnt like. i have two very old friends who became and are still hooked on some very hard drugs.
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This is so hard to read.
This post is a comment.
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Sounds good to me. Along the lines of being grounded in a relative sense, I think you can develop notions of limitations which are really non-constructive. I think if you are ungrounded or grounded in a non-relative sense it doesn't feel that way. Or, it is more apparent that those limits don't exist. It's hard to be aware of things...
This post is a comment.
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“A success story isn’t complete without the hard work and explanation of why we were successful. Did the success come easy, thanks to one’s talents, or was it attained through hard work? Both of these attributions can be part of successful self-promotion, but my research shows that emphasizing effort is more likely to garner a positive impression and people really want to know the story behind your success.
“For example, if you’re on a date and talking about a marathon that you recently ran, perhaps talk about all the training that helped you to cross the finish line. Or, if you’re in a job interview and are talking about a successful project that you led to completion, include a few details about the challenges along the way, and how you overcame them.”
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I had a dream I was with my partner and we had to go home but she was too tired so I was carrying here and rollerblading (sounds hard, right?) and it was dark out. A meteorite flew down from the sky and made a large crash just up ahead of us and I thought "we should go check for rare metals because those are worth some money," but then we got up there and all these people were sifting through and it looked like it was just legos. Pretty disappointing.
Seems like I think too much about money. Not sure what the rest is about.
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Advanced Hybrid Peer to Peer Botnet. The botnet requires no bootstrap procedure.
The botnet communicates via the peer list contained in each bot. However, unlike Slapper [8], each bot has a fixed and limited size peer list and does not reveal its peer list to other bots. In this way, when a bot is captured by defenders, only the limited number of bots in its peer list are exposed.
A botmaster could easily monitor the entire botnet by issuing a report command. This command instructs all (or partial) bots to report to a specific compromised machine (which is called a sensor host) that is cont...
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The hard work and sense of achievement.
This post is a comment.
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