From The Blog
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ConnectWise Slash and Grab Flaw Once Again Shows the Value of Input Validation We talk to Huntress About its Impact
Written by Sean KalinichAlthough the news of the infamous ConnectWise flaw which allowed for the creation of admin accounts is a bit cold, it still is one that…Written on Tuesday, 19 March 2024 12:44 in Security Talk Read 669 times Read more...
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Social Manipulation as a Service – When the Bots on Twitter get their Check marks
Written by Sean KalinichWhen I started DecryptedTech it was to counter all the crap marketing I saw from component makers. I wanted to prove people with a clean…Written on Monday, 04 March 2024 16:17 in Editorials Read 1558 times Read more...
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To Release or not to Release a PoC or OST That is the Question
Written by Sean KalinichThere is (and always has been) a debate about the ethics and impact of the release of Proof-of-Concept Exploit for an identified vulnerability and Open-Source…Written on Monday, 26 February 2024 13:05 in Security Talk Read 1094 times Read more...
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There was an Important Lesson Learned in the LockBit Takedown and it was Not About Threat Groups
Written by Sean KalinichIn what could be called a fantastic move, global law enforcement agencies attacked and took down LockBit’s infrastructure. The day of the event was filled…Written on Thursday, 22 February 2024 12:20 in Security Talk Read 1064 times Read more...
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NetSPI’s Offensive Security Offering Leverages Subject Matter Experts to Enhance Pen Testing
Written by Sean KalinichBlack Hat 2023 Las Vegas. The term offensive security has always been an interesting one for me. On the surface is brings to mind reaching…Written on Tuesday, 12 September 2023 17:05 in Security Talk Read 2113 times Read more...
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Black Kite Looks to Offer a Better View of Risk in a Rapidly Changing Threat Landscape
Written by Sean KalinichBlack Hat 2023 – Las Vegas. Risk is an interesting subject and has many different meanings to many different people. For the most part Risk…Written on Tuesday, 12 September 2023 14:56 in Security Talk Read 1834 times Read more...
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Microsoft Finally Reveals how they Believe a Consumer Signing Key was Stollen
Written by Sean KalinichIn May of 2023 a few sensitive accounts reported to Microsoft that their environments appeared to be compromised. Due to the nature of these accounts,…Written on Thursday, 07 September 2023 14:40 in Security Talk Read 2103 times Read more...
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Mandiant Releases a Detailed Look at the Campaign Targeting Barracuda Email Security Gateways, I Take a Look at What this all Might Mean
Written by Sean KalinichThe recent attack that leveraged a 0-Day vulnerability to compromise a number of Barracuda Email Security Gateway appliances (physical and virtual, but not cloud) was…Written on Wednesday, 30 August 2023 16:09 in Security Talk Read 2081 times Read more...
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Threat Groups Return to Targeting Developers in Recent Software Supply Chain Attacks
Written by Sean KalinichThere is a topic of conversation that really needs to be talked about in the open. It is the danger of developer systems (personal and…Written on Wednesday, 30 August 2023 13:29 in Security Talk Read 1860 times Read more...
Recent Comments
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Displaying items by tag: Galaxy Nexus
Google to Start Selling the Galaxy Nexus (again) Next Week With Jellybean Installed
Google and Samsung are doing something very interesting in regards to the ban that Jude Lucy Koh imposed at the request of Apple. As I am sure you all know Apple is claiming that Google and Samsung are violating their patent on universal search and are requesting that the phone be removed from stores in the US to prevent Apple from being irrevocably harmed (which is a very dubious claim). Originally Judge Koh had denied the request, but then did a complete 180 after an appeals court asked her to review the case again.
US Version of the Samsung Galaxy S III will only have a Dual Core SoC...
We have heard through numerous sources that the when the Samsung S III Galaxy hits the US it will be hobbled. This move by Samsung to offer a smart phone to the US with a reduced set of specification is something that will hurt them in the long run. Although many claim that there is no need for a quad core SoC inside the product and that it can get along perfectly well with the dual-core Qualcomm Snapdragon that will eventually reside in the US based version of the phone it will set a tone with consumers.
Android's Face Unlock Fooled with Digital Image; Is Anyone Really Surprised?
Well, well, well; it appears that Google’s Face Unlock feature in their upcoming Android 4.0 OS has been shown to be insecure. If you are surprised by this news then you are one of the few. The feature, just like many other “facial recognition” applications is built on an imperfect method for identification. But let’s not get too far into the story before we give away the plot.
Google showed off the new Face Unlock as one of the major features of Ice Cream Sandwich at the launch event. It was interesting because at the time they showed how particular it could be to facial expressions. Not that much later the question was raised about the possibility of fooling this with a digital image or a photograph. Given the commentary from Google on this feature I would have thought that someone might have replied that it was possible, but unlikely. Apparently that was not the case. After the question was tweeted, SonyaCincau decided to test this out.
According to a YouTube video the blogger went to a show where the Galaxy Nexus was on display and after setting up the Face Unlock using his own face he then proceeded to unlock the phone with a picture of himself taken on another phone. Now, the problem with this video is that we never see the original setup of the Face Unlock. All we see is the phone being unlocked using an image shown on the screen of another phone. This has led many to believe that the Galaxy Nexus was setup with the picture on the phone in the first place. I am not here to debate that; it still raises concerns about the actual feature even if the phone was used to setup the original lock.
Getting back to our point about the Face Unlock feature being incapable of being truly secure let me explain why. First of all the camera on the front of the phone is a 2D low resolution camera. It’s black point and white points are not what you would call top notch. This means that it is not capable of compositing shadows correctly or efficiently. In order to do true facial recognition you have to do something called facial mapping. This means that you calculate the depth of the facial contours using shadows (unless you are using stereographic 3D). As the camera is not capable of accurately capturing this in the first place there is no way that the software can accurately calculate the true facial contours. So all you have to do is provide a close enough image to fool the system. For those that will comment about the demonstration of this feature before take a look at the differences in the two faces used. They are very different with different outlines and even basic contours; in other words the demo was stacked to ensure that it worked properly (as most demos are).
So what do we have here? We have a system that cannot really be more than an entertaining way to “lock” your phone controlled by a technology that has a very limited capacity to even get the original image captured properly. We have some misleading comments about this feature on the part of Google and now a viral video showing it failing on a demo phone. To be honest with you, I would never put my trust in something like this in the first place. The technology just isn’t there in the phone or the OS. However, I do think that Google needs to be a little more honest about this and admit that while this can be fun to use, it is not a security feature by any means.
Source Huffington Post
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