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Fiber: Review of Optics, Cables & Connectors

The Article has images
2008-04-05 03:22:59 by JJ in Security Uncorked
...distance, but the light equipment and connectors are much more finely-tuned. Which, of course, means singlemode is much more expensive When youre adding or surveying multimode fiber, you should know what core size youre working with. The core size affects bandwidth and the maximum distance you can reliably run it. Multimode usually comes in...
 
Tags: cables, simplex fiber cables, fiber, connectors, fiber cables, short fiber runs, short, single-mode, single-mode fiber
 
 
 
 
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Spying on Computer Monitors Off Reflective Objects

2008-05-20 10:44:31 by schneier in Schneier on Security
 
...distance of 5 meters (16 feet). From 10 meters, they were able to read 18 point fonts. With a $27,500 Dobson telescope, they could get the same quality of images at 30 meters Here's the paper : Abstract We present a novel eavesdropping technique for spying at a distance on data that is displayed on an arbitrary computer screen, including the...
 
Tags: objects, meters, technique exploits reflections, reflections, dobson telescope, images, telescope, limitations, establish theoretical limitations
 
 
 
 
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DEMIDS and Database Misuse Detection

2008-06-05 07:44:18 by Adrian Lane in Information Centric Security
 
...distance function. It attributes a set of tables or database functions as the normal domain of a user, and everything that the user accesses outside of that specified domain has some distance factor associated with it. Tables in other schemas are viewed as being a certain distance outside of that domain, and tables in different database...
 
Tags: database, distance, database functions, distance factor, misuse, domain, normal domain, tables, user accesses
 
 
 
 
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In Next-Gen Bullets and Bombs, Even the Casing Explodes

2008-05-07 01:00:00 by David Hambling in Wired Security
 
...distance, so there is no hazard to nearby friendly forces Bullets can even be made of RM. The Navy's new electromagnetic railgun has been criticized because it can only fire solid slugs, not the usual explosive shells. However, documents reveal that tungsten-based RM rounds are being developed for the weapon. These will explode on impact,...
 
Tags: amounts, release explosive amounts, release, metal, hollow metal cone, explosive, energy, reliably release energy, metal liner
 
 
 
 
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GPS Spoofing

2008-09-17 07:03:53 by schneier in Schneier on Security
 
...distance During later experiments, Jon and the VAT were able to easily achieve much greater GPS spoofing ranges. They spoofed GPS signals at ranges over three quarters of a mile. "The farthest distance we achieved was 4586 feet, at Los Alamos," said Jon. "When you radiate an RF signal, you ideally want line of sight, but in this case we were...
 
Tags: gps, fake gps signal, signal, gps satellite simulator, truck, victim truck, victim cargo truck, stronger signal amplifiers, cargo truck
 
 
 
 
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Playing With Homemade Explosives

2007-08-07 17:30:00 by Eric Marvets in The Security Samurai
 
...distance from my explosive, run to my makeshift bomb shelter (a foxhole), launch the catapult, and wait for the explosion. My ignition systems advanced over the years to electrical (steel wool, 9V batteries, and phone cord), 12 gauge shotgun shells minus the lead shot, and tracer rounds (regular bullets do nothing, you need an incendiary...
 
Tags: gas, lawn mowers gas, tank, cars gas tank, time, time delay fuse, terrorist, empty gas, recent terrorist plots
 
 
 
 
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Morbid is Cool?

2007-12-06 12:39:00 by Dr Anton Chuvakin in Anton Chuvakin Blog -
 
...distance: " A precision engagement of a PID insurgent by a DEW [A.C. - stands for Directed Energy Weapon ] will be a highly surgical and impressively violent event. Target effects will include instantaneous burst-combustion of insurgent clothing, a rapid death through violent trauma, and more probably a morbid combination of both Also read...
 
Tags: pid insurgent, insurgent, impressively violent event, include instantaneous, morbid combination, sick sense, precision engagement, target effects, highly surgical
 
 
 
 
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Relay attacks on card payment: vulnerabilities and defences

2008-01-09 00:01:52 by Steven J. Murdoch in Light Blue Touchpaper
 
...distance bounding protocols. My talk ( abstract ) was filmed and the video can be found below. For more information, we produced a webpage and the details can be found in our paper slides (PDF 9.6M) | video (BitTorrent MPEG4, 106M The CCC is a great conference to attend and a good source of ideas for papers. There were many excellent talks ,...
 
Tags: dns, security, cellphone jammer dns, security michael steil, talks, henryk pltz describe, chaos communication congress, annie machon describes, arbitrary tcp streams
 
 
 
 
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The Authorities Have Your Skeleton On File

2008-02-12 00:30:03 by Editor in Digg / Security
 
A new patent, issued on Friday, covers a system that would scan some, or all, of your skeleton and compare it with a database of skeletons. The database would also pull up data such as your name, address, social security number, and passport number. Worst of all, you might not even know your skeleton is being scanned from a distance
 
Tags: skeleton, social security, database, compare, skeletons, distance, system, worst, covers
 
 
 
 
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Grayware?

2007-03-07 07:11:45 by RaviC in Musings on Information Security