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Distributed Memory in Blackboard Systems

2008-07-26 07:01:30 by Tim Bass in The Complex Event Processing Blog
 
...memory model (i.e. multiple threads or processes using a single machines memory model In fact, there were many blackboard systems, some more than a decade old, that used a distributed memory data-model. What I think Paul meant to say, and my apologies to Paul for being so literal, is that blackboard systems originally used a single memory...
 
Tags: systems, blackboard systems architecture, blackboard, concurrent blackboard systems, blackboard architectures, blackboard system, memory, blackboard systems domain, blackboard systems
 
 
 
 
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Missing memory stick turns up five months later

The Article has images
2008-01-23 16:44:36 by Evan Francen in The Breach Blog
...memory stick was found last August (2007) in a Stockport (UK) car park which contained sensitive personal information belonging to Specsaver diabetic patients. The person that found the memory stick forgot she had it until "she read about recent data loss scandals". Neither the owner nor anyone else suspected or noticed it missing Reference...
 
Tags: information security, information, information security assessments, memory stick, security, specsaver diabetic patients, patients, computer memory stick, manchester patients
 
 
 
 
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Swedish Army Loses Classified Information on Memory Stick

2008-01-09 13:46:31 by schneier in Schneier on Security
 
...memory stick from an individual who discovered it in a public computer center in Stockholm An employee of the Armed Forces has reported that the misplaced USB memory stick belongs to him. The employee contacted his superior on Friday and divulged that he had forgotten the memory stick in a public computer. A preliminary technical...
 
Tags: stick, memory stick, public computer center, computer, public computer, information, armed forces, swedish army, stick belongs
 
 
 
 
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Using Data Execution Prevention (DEP) in Windows XP and Vista: Fighting back against buffer overflows and memory corruption

2008-06-09 00:36:29 by Editor in Irongeek's Security Site
 
...memory corruption Ive recently become interested in measures that modern CPUs can take to prevent various types of memory corruption attacks. One such feature is the NX bit (as AMD calls it, XD is Intels term), which allows for memory pages to me marked as not executable. Microsoft Windows started using this ability with XP SP2 as part of...
 
Tags: dep, data execution prevention, memory corruption, windows, configure dep protection, configure, memory corruption attacks, vista, buffer overflows
 
 
 
 
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Write-Once Read-Many Memory Cards

2008-07-28 05:04:22 by schneier in Schneier on Security
 
SanDisk has introduced Write-Once Read-Many Memory (WORM) cards for forensic applications
 
Tags: write-once read-many memory, forensic applications, cards, sandisk, worm
 
 
 
 
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Bypassing Microsoft Vista's Memory Protection

2008-08-11 16:26:11 by schneier in Schneier on Security
 
...memory protection safeguards in the Windows Vista operating system, an advance that many in the security community say will have far-reaching implications not only for Microsoft, but also on how the entire technology industry thinks about attacks In a presentation at the Black Hat briefings, Mark Dowd of IBM Internet Security Systems (ISS)...
 
Tags: load, load arbitrary content, content, net objects, black hat briefings, browsers, memory protection safeguards, data execution prevention, entire technology industry
 
 
 
 
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If there were gold medals for Data Leakage...

2008-08-28 00:00:00 by Andrew Moloney in Speaking of Security, the RSA Blog and Podcast
 
...memory stick by a UK Government contractor which contained somewhere around 120,000 records, including the details of 10,000 of our nation's most serious criminals. We then heard about a compromise at global hotel chain Best Western
 
Tags: global hotel chain, olympic sport, summer vacation, pole position, data, government contractor, medals table, memory stick, nation
 
 
 
 
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Cold Boot Attacks Against Disk Encryption

2008-02-21 13:29:18 by schneier in Schneier on Security
 
...memory chips used to store data while the system is running. Virtually everybody, including experts, will tell you that DRAM contents are lost when you turn off the power. But this isnt so. Our research shows that data in DRAM actually fades out gradually over a period of seconds to minutes, enabling an attacker to read the full contents of...
 
Tags: main memory chips, memory, todays dram memories, dram, dram contents, memory contents, disk encryption, hard, hard disk contents
 
 
 
 
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A sneak peek at a Black Hat presentation

2008-07-30 18:08:27 by HASH0x8c270c8 in StillSecure, After All These Years
 
...memory will yield nothing Take advantage of BIOS memory smashing : By strategically placing keys in certain regions of memory, we can rely on the BIOS boot process to overwrite keys before any operating system can dump the contents of memory Is it chilly in here? : Using built-in temperature sensors, we can lock down the system in reaction to...
 
Tags: boot, bios boot process, cold boot attacks, attacks, cold, black hat, disk encryption, keys, wipe keys immediately
 
 
 
 
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Fuzz Testing at Microsoft and the Triage Process

2007-09-20 18:52:00 by sdl in The Security Development Lifecycle
 
...memory parsers). At Microsoft, we view fuzz testing as six distinct stages in which the output of each stage can impact or influence both t