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Lest We Remember: Cold Boot Attacks on Encryption Keys

Contrary to popular assumption, DRAMs used in most modern computers retain their contents for seconds to minutes after power is lost, even at operating temperatures and even if removed from a motherboard...

... We use cold reboots to mount attacks on popular disk encryption systems - BitLocker, FileVault, dm-crypt, and TrueCrypt - using no special devices or materials.

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citp.princeton.edu
JoelR6584d ago

Hmm and here I thought a post about a method that allows any encryption that uses the main memory on a computer to be hacked easily would have been more interesting to people....

Fishy Fingers6583d ago

Probably a graphic comparison thread somewhere.

I actually found it very interesting, although I'm not really interested in putting my new found knowledge into action ;)

JoelR6583d ago

Lol ... thanks that made my day.
And yes.. it seems like a scary way to hack doesn't it.

The implications are this though:

1) any game that uses dynamic encryption and a moniter program to stop you free reading the encryption key (ie: WOW, Conan, (any games that use punk buster type systems))
2) any system which uses the TDM
3) any system that has realtime drive encryption

CAN BE BROKEN IF YOU HAVE PHYSICAL ACCESS... and that means all online games with clients and anything else that a consumer has digitally in their possession.

Tetsuryu6583d ago (Edited 6583d ago )

Pretty neat if you ask me.

This opens up a new can of worms, just image the possibilities.

Though the likelihood of this happening to any individual is obviously low, ever lower than winning the lottery lol.

Law enforcement could probably benefit from this if it's taken further.

For those wondering the name of the software stored on the external hard disk, it's bitUnlocker.

miked8086583d ago

The talent level of some people just amazes me. Brillant.

JoelR6583d ago

I really wonder what led them to try and do this as a doctoral project... Did they lose power and then get back power and not lose their spot (pure luck)? or was it more of a question of how long the various types of ram allowing data to decay over time without power (pure science)?
The implications are staggering in potential.

70°

Microsoft Gaming Revenue Drops 7% Year-on-Year, Content and Services Down 5%, Xbox Hardware Down 33%

Microsoft announced its financial results for Q3 of fiscal year 2026, including an update on its gaming Xbox business and more.

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simulationdaily.com
Jin_Sakai34d ago (Edited 34d ago )

Not looking good. Hopefully Asha Sharma is able to turn Phil’s disaster around.

dveio34d ago

To me it's still quite remarkable how they can cash-in 5.3bn in revenue in a single quarter, since their hardware is basically dead.

Jingsing34d ago

The stock mark is what makes Microsoft remarkable, They have convinced every institutional and retail investor to just keep piling money into them. Like many big tech giants they are just a big growing pyramid scheme. As long as people keep dropping money into ETF's that cover the market Microsoft will always be liquid. At the same time it is completely stifling innovation and competition. People need to start being more discreet in how they invest their money as it's killing the system.

Tanktopmaster9234d ago

Once they re-evaluate exclusive all will be fine….

S2Killinit34d ago

Riiiiight because people will just flock back to them for one or two games per year.

Jingsing34d ago

15+ years of bad performance is what they call irreparable in business. It is time for them to sell off the assets and get out of entertainment.

Tanktopmaster9233d ago

These declines are on the back of extra revenue received from releasing games like Forza horizon 5 on PlayStation. So I’m being sarcastic here when I said they should go back to exclusives. Killing off a revenue stream from Ps5 sales will only make things worse

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50°

Report: Injustice 3 in Development at NetherRealm Studios

Thanks to the slip-up of an artist working on the title, we now have more evidence that a new Injustice game is in the works.

50°

Spiders Studio, Developers of GreedFall: The Dying World, Announce Liquidation of the Company

Spiders: "We're going to cut straight to the chase so you're not left wondering: After a long period without clear answers, we have received confirmation that Spiders is being liquidated.

What does it mean? This means the company as a whole no longer exists. We'll cease our functions immediately. The planned DLC will release via Nacon, and then-- well, that's it.

We're sorry that it's come to this and would like to thank each and every one of you for your support over the years.

If you have any questions or run into issues with your games, please contact Nacon directly as we'll no longer be able to reply."