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Cold Boot Attacks Against Disk Encryption

2008-02-21 13:29:18 by schneier in Schneier on Security
 
...DRAM memories. DRAMs are the main 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...
 
Tags: main memory chips, memory, todays dram memories, dram, dram contents, memory contents, disk encryption, hard, hard disk contents
 
 
 
 
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To sleep, power off or hibernate - cold boot and user behaviour..

2008-03-14 16:14:00 by Manu Namboodiri in Data Protection, Management and Leakage
 
...DRAM to 0 degree Kelvin!?! Maybe the guy who makes the Terminator movies I must admit the video was cool to watch - frozen chips... And therefore, most of the focus seems to have gone in that direction - thinking that one needs to cool the chips to extract the memory contents. But in reality, one needs only a USB drive with code to peek into...
 
Tags: larger hibernation file, hibernation, larger hibernation file-, power, cool, chips, cold boot attack, power modes, cold boot risk
 
 
 
 
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Encryption defeated, still an advocate?

The Article has images
2008-02-22 16:15:15 by Evan Francen in The Breach Blog
...DRAM remanence [ sic ] effects to recover cryptographic keys held in memory OK. What does this mean to the non-geek? It means that there are now successful attacks against many encryption implementations, including those most commonly used on mobile devices (laptop, thumb drive, etc.). Here at The Breach Blog I have advocated the use of hard...
 
Tags: encryption, disk encryption software, encryption software, information security field, information, hard drive encryption, disk encryption, text information, encryption keys
 
 
 
 
 
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Sergey Zarubin, 31yo
CISSP, CCSP
Moscow, Russia