xkcd comic on key signing parties

By Karl Koscher at 9:47 am on February 11, 2008Comments Off on xkcd comic on key signing parties

This comic should make more sense after today’s lecture.

Filed under: Physical SecurityComments Off on xkcd comic on key signing parties

Security Review: Airport Security

By rudd at 2:09 am on | 2 Comments

Anyone who has travelled within the past 6 years has experienced the excruciating joy of going through modern airport security. For most domestic flights your checked bags go through one set of security procedures, and your person and carry on items go through another. I will be focusing on the personal/carry on side of airport security. (Read on …)

Filed under: Physical Security,Security Reviews2 Comments »

Security Review: IE7 Protected Mode

By cbhacking at 12:57 am on Comments Off on Security Review: IE7 Protected Mode

The latest version (7) of Microsoft’s Internet Explorer web browser, like their latest Windows (Vista) operating system, is supposed to be the most secure version in the product’s history. A complete security review of either IE7 or Vista is outside the scope of this post, but there is one very interesting security feature found at the intersection of the two, called “Protected Mode.” Presented as a feature intended to limit the possible damage even if every other security feature in IE7 fails, Protected Mode limits the browser’s ability to modify the system in case of an attack while preserving the ability to execute other tasks, such as downloading files and allowing helper programs, plug-ins, and the user to interact with the browser much as before. (Read on …)

Filed under: Integrity,Privacy,Security ReviewsComments Off on Security Review: IE7 Protected Mode

Security Review: Pop Machines

By bcbell at 12:20 am on | 5 Comments

While we have access to reasonably priced soda in the ACM lounge or the Benson store, the average person looking for a convenient drink has to shell out between $1.75 and $2 to buy from a pop machine.  But why pay if you don’t have to?  It is obvious that the manufacturers of these machines have put thought into their security: most machines will hardly let you reach in for the drink you bought, let alone reaching up into the machine.  Despite this, it is still possible to manipulate the machines into giving away drinks.  Is their security good enough for most situations?  Is the security too good?  Let’s find out…

(Read on …)

Filed under: Security Reviews5 Comments »