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26 items tagged "science"
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![Permalink for '[Video] Hackers and Computer Science'](/themes/lilina/web//media/mark_off.gif)
21:31
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SecDocs
Authors:
Sergey Bratus Tags:
hacking Event:
Chaos Communication Congress 27th (27C3) 2010 Abstract: Although most academics and industry practitioners regard "hacking" as mostly ad-hoc, a loose collection of useful tricks essentially random in nature, I will argue that hacking has in fact become a "distinct research and engineering discipline" with deep underlying engineering ideas and insights. Although not yet formally defined as such, it are these ideas and insights that drive the great contributions that hacking has been making to our understanding of computing, including the challenges of handling complexity, composition, and security in complex systems. I will argue that hacking uncovers and helps to understand (and teach) fundamental issues that go to the heart of Computer Science as we know it, and will try to formulate several such fundamental principles which I have learned from hacker research. At some point I realized that I was learning more about what really matters in computer science from hacker conventions, Phrack, Uninformed, and other hacker sources than from any academic source. Moreover, it wasn't just about exploits and vulnerabilities, it was about how systems were really designed, as opposed to how developers thought and students were taught they were. Then I realized that the reason for vulnerabilities that kept on giving were quite deeply theoretical and involved, e.g., theory of computation and information theory. Very little of this was quoted or understood in the academic publications.
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21:31
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SecDocs
Authors:
Sergey Bratus Tags:
hacking Event:
Chaos Communication Congress 27th (27C3) 2010 Abstract: Although most academics and industry practitioners regard "hacking" as mostly ad-hoc, a loose collection of useful tricks essentially random in nature, I will argue that hacking has in fact become a "distinct research and engineering discipline" with deep underlying engineering ideas and insights. Although not yet formally defined as such, it are these ideas and insights that drive the great contributions that hacking has been making to our understanding of computing, including the challenges of handling complexity, composition, and security in complex systems. I will argue that hacking uncovers and helps to understand (and teach) fundamental issues that go to the heart of Computer Science as we know it, and will try to formulate several such fundamental principles which I have learned from hacker research. At some point I realized that I was learning more about what really matters in computer science from hacker conventions, Phrack, Uninformed, and other hacker sources than from any academic source. Moreover, it wasn't just about exploits and vulnerabilities, it was about how systems were really designed, as opposed to how developers thought and students were taught they were. Then I realized that the reason for vulnerabilities that kept on giving were quite deeply theoretical and involved, e.g., theory of computation and information theory. Very little of this was quoted or understood in the academic publications.
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21:28
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SecDocs
Authors:
Sergey Bratus Tags:
hacking Event:
Chaos Communication Congress 27th (27C3) 2010 Abstract: Although most academics and industry practitioners regard "hacking" as mostly ad-hoc, a loose collection of useful tricks essentially random in nature, I will argue that hacking has in fact become a "distinct research and engineering discipline" with deep underlying engineering ideas and insights. Although not yet formally defined as such, it are these ideas and insights that drive the great contributions that hacking has been making to our understanding of computing, including the challenges of handling complexity, composition, and security in complex systems. I will argue that hacking uncovers and helps to understand (and teach) fundamental issues that go to the heart of Computer Science as we know it, and will try to formulate several such fundamental principles which I have learned from hacker research. At some point I realized that I was learning more about what really matters in computer science from hacker conventions, Phrack, Uninformed, and other hacker sources than from any academic source. Moreover, it wasn't just about exploits and vulnerabilities, it was about how systems were really designed, as opposed to how developers thought and students were taught they were. Then I realized that the reason for vulnerabilities that kept on giving were quite deeply theoretical and involved, e.g., theory of computation and information theory. Very little of this was quoted or understood in the academic publications.
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6:01
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Hack a Day
[Michael Surran] just came across this video from his seventh grade science fair project. He really had some fun building and showing off the robot and we’re glad the footage wasn’t lost in the annals of time. Take a look at the clip after the break. That’s not a robot peeing, it’s the ‘fire defense unit’ [...]
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21:48
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SecDocs
Authors:
Oona Leganovic Tags:
audio music Event:
Chaos Communication Congress 27th (27C3) 2010 Abstract: The birth of the modern science of acoustics was directly intertwined with the desires to surveill and communicate, either in secret or to everybody at once. Acoustics was not just about 'learning more about nature,' right from the start it was an applied science, driven by very clear notions of who has the right, and thus should have the possibility, of listening in on others, who needs to be able to converse in private, and who should be heard by everybody if he wishes to. How are these historical ideas related to those of today? The talk teases out these juicy implications from mostly original source material, focussing on the strange figure of the Jesuit Athanasius Kircher, but also looking at better known characters of the Scientific Revolution like Francis Bacon, Marin Mersenne, and the early Royal Society. There are plenty of phantastic 'scientific' illustrations to look at as well as descriptions of devices (for the amplification of sound, for acoustical surveillance, entertainment, and the so called 'cryptoacoustics') that did or rather did not work to laugh about, but the key questions are those about power and its relationship to notions of privacy and communication, the history of privacy as a privilege and surveillance as a 'right' of government. Some of these ideas become especially clear in the phantasies they produced. How are these historical ideas related to our own about who gets to listen in, who gets to converse in private, and who get to be heard by everybody? And what has all that to do with the history of science, and even magic?
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13:08
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Hack a Day
If you’re around the Washington, DC metro area next weekend, here’s something for you. It’s the USA Science and Engineering festival, and if you’ve ever wanted to talk to [Adam] and [Jamie] from Mythbusters, [Bill Nye], and several astronauts, this is where you should be next weekend. This is the second USA Science and Engineering [...]
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22:56
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SecDocs
Authors:
Conrad Lee Tags:
privacy Event:
Chaos Communication Congress 28th (28C3) 2011 Abstract: A practical discussion of how potentially revolutionary, yet ethically questionable data---such as that from facebook---is currently being handled in academia. With every day that passes, the users of social media websites are providing scientists with ever-richer, larger datasets on human behavior. At the same time, machine-learning techniques allow us to exploit this data to accurately predict who these users are and how they will behave in the future. I begin this talk by outlining the need for public datasets containing rich information on individuals and their social relations. I then show how in practice, distribution and use of such datasets by academics is awkward and confused. I conclude with some consideration of how "enhancing" datasets by, for example, inferring missing or hidden data using machine learning classifiers, creates yet another ethical grey-zone.
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22:38
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SecDocs
Authors:
Meredith L. Patterson Tags:
security Event:
Chaos Communication Congress 28th (28C3) 2011 Abstract: Why is the overwhelming majority of common networked software still not secure, despite all effort to the contrary? Why is it almost certain to get exploited so long as attackers can craft its inputs? Why is it the case that no amount of effort seems to be enough to fix software that must speak certain protocols? The answer to these questions is that for many protocols and services currently in use on the Internet, the problem of recognizing and validating their "good", expected inputs from bad ones is either not well-posed or is undecidable (i. e., no algorithm can exist to solve it in the general case), which means that their implementations cannot even be comprehensively tested, let alone automatically checked for weaknesses or correctness. The designers' desire for more functionality has made these protocols effectively unsecurable. In this talk we'll draw a direct connection between this ubiquitous insecurity and basic computer science concepts of Turing completeness and theory of languages. We will show how well-meant protocol designs are doomed to their implementations becoming clusters of 0-days, and will show where to look for these 0-days. We will also discuss simple principles of how to avoid designing such protocols.
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21:31
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SecDocs
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12:25
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Hack a Day
This is a Digital Salinometer which [Daniel Kramnik] built as a Science Olympiad entry. He’s a Junior in High School and when looking for a project to enter into the Water Quality event he was interested in achieving greater accuracy than a mechanical hydrometer provides. We think the circuit design is very impressive for anyone [...]
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12:01
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Hack a Day
There’s been a lot of stories about arranging solar panels to mimic leaves on a tree, thereby boosting their efficiency. But before reading that story you might want to check out this blog post correcting some flaws in that breakthrough (page is down, here’s a cached version). Before we go any further, we’d like to point [...]
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16:00
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Hack a Day
We’ve all been there. The day is done and it’s time for a cold one but you neglected to put more beer in the fridge after imbibing the last bottle the night before. You could chuck it in the freezer and revisit your attempt at refreshment in an hour. But if you need a malty [...]
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9:01
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Hack a Day
[Bill Porter] and his friend [Dan Flisek] work together to put on a science-related educational stage show called “Science Brothers”, in which the pair try to convince school children that their field of expertise is the cooler science. While the two are competitive on stage, the main goal of the program is to get kids [...]
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12:15
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Hack a Day
[Will Jack] built a heavy water fusion reactor and then won district and regional science fair projects with it. Someone give this man a job! We looked in on his fusion reactor about a year ago. At the time he had managed to build a magnetic containment field but didn’t have the voltages or the [...]
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4:19
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Hack a Day
The researchers at Brookhaven National Laboratory are looking for a way to harden photomultiplier tubes. In order to make a more durable tube the researchers decided it would be a good idea to first observe how the tubes are failing. So they got their hands on an old torpedo test bay and smashed some bulbs inside of it. Check in after [...]
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11:00
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Hack a Day
Teen hackers get ready to compete for cash and prizes. Google, the big G itself, is sponsoring a Science Fair but it’s not in a town near you, it’s online (no surprise there). Project entries will populate the content of a new corner of the Googleverse, with contestants 13-18 competing alone or as a team. [...]
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8:22
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Hack a Day
137 years of the magazine Popular Science are now being hosted online by Google. You can peruse at your leisure, though you’ll have to search by keyword. We don’t see a date or issue browsing option. The cover art alone is worth your time, even if you’re not a fan of the articles. Many of us have fond [...]
