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Cold Boot Attacks Against Disk Encryption

2008-02-21 13:29:18 by schneier in Schneier on Security
 
...todays 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...
 
Tags: main memory chips, memory, todays dram memories, dram, dram contents, memory contents, disk encryption, hard, hard disk contents
 
 
 
 
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K.I.S.S. the castle (analogy) good-bye! Okay, done - now what?

2008-03-30 12:50:51 by Thomas Raschke in Security & Risk Management
 
...todays complex data and identity driven world of security and risk management, the old castle simply doesnt cut it any longer. Just think of examples like the skyrocketing amount of data crown jewels all over the place (not just in the tower), the almost constant transport of these assets to places in and mostly outside of the castle, and the...
 
Tags: castle, castle metaphor, security, non-security folks, analogy, todays security, castle simply, network security, used-to-death castle analogy
 
 
 
 
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What is 802.1X? Here's a Technology Primer for You

2008-04-02 03:10:42 by JJ in Security Uncorked
 
...todays IT world makes people hesitant to ask questions. You know we IT-folk dont like admitting we dont know everything about anything! However, these are rather simple concepts with extremely complicated components and 98% of the technology world doesnt really know as much as theyd like to about NAC and 802.1X. Youre not alone And so, heres...
 
Tags: edge port, edge, edge ports, network access control, network access, wireless standard, standard, standard network traffic, network
 
 
 
 
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Changing Threats, Changing Solutions: A History of Viruses and Antivirus

2008-04-17 16:27:45 by Editor in Help Net Security - Articles
 
It is more than 20 years since the first PC virus appeared. Since then, the nature of threats has changed significantly. Todays threats are more complex than ever before. Much of todays malicious co
 
Tags: threats, todays threats, todays malicious, significantly, complex, virus, nature
 
 
 
 
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Risk Management and Analysis Standards Update

2008-06-17 16:51:27 by Alex in RiskAnalys.is
 
...todays announcement is a culmination of about a year and a half worth of effort there. Today The Open Group formally announces our (were members) intent to put a stake in the ground concerning risk and risk management Our goal is common language and common models to create meaning. This has the capacity to change everything - the way we...
 
Tags: risk management, risk management departments, risk management effort, standards, risk, risk management efforts, risk management issues, security standards, risk management standards
 
 
 
 
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Cyber espionage something to worry about?

2007-12-14 15:48:00 by Khalid Kark in Security & Risk Management
 
...todays competitive environments, spending the time, effort, and money to protect your sensitive information assets is the key to keeping your competitive advantage
 
Tags: computer networks, government computer networks, networks, government, chinese government, american government agencies, cyber espionage, china, government agencies
 
 
 
 
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The top 10 spam characteristics (#1-5)

2006-10-03 04:13:56 by Administrator in Email security & compliance blog
 
...todays spam messages 5. From: and Reply To: address are different : This is a common feature of spam mails, but it is also very common with newsletters. The importance of this characteristic should be minimized since it is also found in legitimate emails 4. Message body contains remote image : In order to avoid spam messages from being...
 
Tags: spam, spam characteristics, top spam characteristics, spam characteristic, spam mails, avoid spam messages, html comment tags, comment tags, flag spam correctly
 
 
 
 
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The top 10 spam characteristics (#6-10)

2006-09-27 06:01:03 by Administrator in Email security & compliance blog
 
...todays spam mails, where #1 is the spam characteristic that Red Earth Software found to be most common. Today I am posting #10 through #6. Keep a look out for the top 5 coming soon in this blog 10. Illegal HTML exists : Some spam messages include a code for identification in the text of the message. The text is entered outside the HTML tags...
 
Tags: spam, spam characteristics, spam characteristic, todays spam mails, mails, email address, complete email address, detect spam, spam messages include
 
 
 
 
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Book Review: The Pragmatic CSO

2008-01-02 15:24:45 by RSnake in ha.ckers.org web application security lab
 
...todays problems, but all future problems. Its trying to drop the techno-babble that we all tend to get stuck on, and start talking about how to run a business - a security business no less. He takes a tongue in cheek approach to his lesson, which is that of the CSO as an addict. CSOs have a tendency to live on the edge. Closer to that of a...
 
Tags: book, book mike, technical book, security community, security, security business, mike, mike rothman, mike rothmans
 
 
 
 
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What Does SHA1 is Broken Mean?

2007-12-12 07:35:00 by Eric Marvets in The Security Samurai
 
...todays technology The Birthday Paradox Some of you may be asking yourself, but I read on Wikipedia that SHA1 has a strength of 2 80 ? This is true, but to understand why, we will first look at the birthday paradox How many people must be in a room before the odds are even that one of them shares your birthday How many people must be in a...
 
Tags: sha1, choose sha1, sha1 protects, hash data, data, sha1 drops, hash function, hash, function