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	<title>Comments for SANS Security Leadership</title>
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	<link>http://blogs.sans.org/security-leadership</link>
	<description>Ideas, concerns, tips, and interesting news stories from Stephen Northcutt and other information security leaders.</description>
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		<title>Comment on Don&#8217;t renew that anti-virus contract by B</title>
		<link>http://blogs.sans.org/security-leadership/2009/08/10/dont-renew-that-anti-virus-contract/comment-page-1/#comment-3606</link>
		<dc:creator>B</dc:creator>
		<pubDate>Wed, 02 Dec 2009 17:10:03 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.sans.org/security-leadership/?p=1036#comment-3606</guid>
		<description>Exactly...defense in depth at the OS level. Great advice Stephen.</description>
		<content:encoded><![CDATA[<p>Exactly&#8230;defense in depth at the OS level. Great advice Stephen.</p>
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		<title>Comment on Don&#8217;t renew that anti-virus contract by Stephen Northcutt</title>
		<link>http://blogs.sans.org/security-leadership/2009/08/10/dont-renew-that-anti-virus-contract/comment-page-1/#comment-1796</link>
		<dc:creator>Stephen Northcutt</dc:creator>
		<pubDate>Sat, 14 Nov 2009 01:50:48 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.sans.org/security-leadership/?p=1036#comment-1796</guid>
		<description>David, many of the vendors list their customers so you can research that without me trying to remember what I am and am no allowed to say. 

I know you mentioned cash registers, but one sector white list has a lot of adoption is retail and retail includes the PCs managers use, not just POS devices.

And it is fine to say lousy advice, but better to list a supporting technical reason to support your statement, not just &quot;you will get fired&quot;.

And just to be clear, I think AV only is history. AV with some whitelist blend is the best idea we have available at the time.</description>
		<content:encoded><![CDATA[<p>David, many of the vendors list their customers so you can research that without me trying to remember what I am and am no allowed to say. </p>
<p>I know you mentioned cash registers, but one sector white list has a lot of adoption is retail and retail includes the PCs managers use, not just POS devices.</p>
<p>And it is fine to say lousy advice, but better to list a supporting technical reason to support your statement, not just &#8220;you will get fired&#8221;.</p>
<p>And just to be clear, I think AV only is history. AV with some whitelist blend is the best idea we have available at the time.</p>
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		<title>Comment on Don&#8217;t renew that anti-virus contract by Stephen Northcutt</title>
		<link>http://blogs.sans.org/security-leadership/2009/08/10/dont-renew-that-anti-virus-contract/comment-page-1/#comment-1791</link>
		<dc:creator>Stephen Northcutt</dc:creator>
		<pubDate>Sat, 14 Nov 2009 01:46:18 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.sans.org/security-leadership/?p=1036#comment-1791</guid>
		<description>Josh More, it isn&#039;t just money, it is CPU cycles and time. Have you ever run a system with no AV? Try opening an email message with no attachment.

When products are starting to detect less than 50% of the malware out there, and that is not true of all of them, but it is true of some of them, it is time to start looking for alternate solutions perhaps?</description>
		<content:encoded><![CDATA[<p>Josh More, it isn&#8217;t just money, it is CPU cycles and time. Have you ever run a system with no AV? Try opening an email message with no attachment.</p>
<p>When products are starting to detect less than 50% of the malware out there, and that is not true of all of them, but it is true of some of them, it is time to start looking for alternate solutions perhaps?</p>
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		<title>Comment on Don&#8217;t renew that anti-virus contract by Stephen Northcutt</title>
		<link>http://blogs.sans.org/security-leadership/2009/08/10/dont-renew-that-anti-virus-contract/comment-page-1/#comment-1786</link>
		<dc:creator>Stephen Northcutt</dc:creator>
		<pubDate>Sat, 14 Nov 2009 01:44:15 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.sans.org/security-leadership/?p=1036#comment-1786</guid>
		<description>Ramki, on one of my systems I have been using Microsoft Security Essentials which is a cloud like system.

I think it makes a lot of sense, while we are asleep for our systems to go get a scan, not just anti-virus, more and more I think Secunia solution really helps keep a system in check. But I am currently running two different endpoint technologies, Bit 9 and Savant Protection on the two boxes I actually do work on and I like what I am seeing.</description>
		<content:encoded><![CDATA[<p>Ramki, on one of my systems I have been using Microsoft Security Essentials which is a cloud like system.</p>
<p>I think it makes a lot of sense, while we are asleep for our systems to go get a scan, not just anti-virus, more and more I think Secunia solution really helps keep a system in check. But I am currently running two different endpoint technologies, Bit 9 and Savant Protection on the two boxes I actually do work on and I like what I am seeing.</p>
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		<title>Comment on Product Update: Covey Planner Software Unusable by Stephen Northcutt</title>
		<link>http://blogs.sans.org/security-leadership/2009/11/12/product-update-covey-planner-software-unusable/comment-page-1/#comment-1781</link>
		<dc:creator>Stephen Northcutt</dc:creator>
		<pubDate>Sat, 14 Nov 2009 01:15:54 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.sans.org/security-leadership/?p=1286#comment-1781</guid>
		<description>I certainly agree there is a business opportunity here. Everybody needs to be organized, everyone has a task list whether they write it down or not. The company that really makes something usable will do well. I have suggested Kathy take another look at Outlook, there were some improvements in the 2007 Office that might allow that to work for her.

I am hopeful for Android, but it seems to be progressing slowly.</description>
		<content:encoded><![CDATA[<p>I certainly agree there is a business opportunity here. Everybody needs to be organized, everyone has a task list whether they write it down or not. The company that really makes something usable will do well. I have suggested Kathy take another look at Outlook, there were some improvements in the 2007 Office that might allow that to work for her.</p>
<p>I am hopeful for Android, but it seems to be progressing slowly.</p>
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		<title>Comment on Product Update: Covey Planner Software Unusable by Luke</title>
		<link>http://blogs.sans.org/security-leadership/2009/11/12/product-update-covey-planner-software-unusable/comment-page-1/#comment-1716</link>
		<dc:creator>Luke</dc:creator>
		<pubDate>Fri, 13 Nov 2009 17:40:05 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.sans.org/security-leadership/?p=1286#comment-1716</guid>
		<description>Your experience sounds worse, but this is not totally unlike what Quicken users have put up with for a decade.

RE the PIM problem, as a person who is nursing along their fourth Palm device since 1998 (now on the second Palm E2), I am looking apprehensively toward the future. iPhone is a pale proprietary comparison to the kind of data flexibility my 4-year-old E2 offers in the range of open apps and bi-directional syncing with multiple platforms. Palm may aspire to exploit the same proprietary gold mine as Apple with the new WebOS. Android could end up being the truly open alternative that gets ported to devices small and inexpensive enough to risk dropping on a daily basis.

There&#039;s business opportunity here- both in the PIM and the Quicken-style financial management realms.</description>
		<content:encoded><![CDATA[<p>Your experience sounds worse, but this is not totally unlike what Quicken users have put up with for a decade.</p>
<p>RE the PIM problem, as a person who is nursing along their fourth Palm device since 1998 (now on the second Palm E2), I am looking apprehensively toward the future. iPhone is a pale proprietary comparison to the kind of data flexibility my 4-year-old E2 offers in the range of open apps and bi-directional syncing with multiple platforms. Palm may aspire to exploit the same proprietary gold mine as Apple with the new WebOS. Android could end up being the truly open alternative that gets ported to devices small and inexpensive enough to risk dropping on a daily basis.</p>
<p>There&#8217;s business opportunity here- both in the PIM and the Quicken-style financial management realms.</p>
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		<title>Comment on Critical Control 13: Limitation and Control of Network Ports, Protocols, and Services by Jamie Adams</title>
		<link>http://blogs.sans.org/security-leadership/2009/08/13/critical-control-13-limitation-and-control-of-network-ports-protocols-and-services/comment-page-1/#comment-81</link>
		<dc:creator>Jamie Adams</dc:creator>
		<pubDate>Thu, 13 Aug 2009 16:48:03 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.sans.org/security-leadership/?p=1126#comment-81</guid>
		<description>Great post. This happens to be my favorite control. Just a few hours ago, I posted some information on how to reduce and remove unused services. http://tcs-security-blanket.blogspot.com/2009/08/minimize-attack-surfaces.html

I think too many people still think they are safe behind firewalls and the likes.</description>
		<content:encoded><![CDATA[<p>Great post. This happens to be my favorite control. Just a few hours ago, I posted some information on how to reduce and remove unused services. <a href="http://tcs-security-blanket.blogspot.com/2009/08/minimize-attack-surfaces.html" rel="nofollow">http://tcs-security-blanket.blogspot.com/2009/08/minimize-attack-surfaces.html</a></p>
<p>I think too many people still think they are safe behind firewalls and the likes.</p>
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		<title>Comment on Don&#8217;t renew that anti-virus contract by Josh More</title>
		<link>http://blogs.sans.org/security-leadership/2009/08/10/dont-renew-that-anti-virus-contract/comment-page-1/#comment-76</link>
		<dc:creator>Josh More</dc:creator>
		<pubDate>Thu, 13 Aug 2009 15:57:35 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.sans.org/security-leadership/?p=1036#comment-76</guid>
		<description>I disagree that it&#039;s throwing money away, but I do agree that we&#039;ve reached a limit for what it can do.  However, it&#039;s important to know that a basic &quot;AV&quot; system these days also provides a lot of non-signature-based benefit, including basic HIPS and easier corporate management of various security features.

I think that eliminating these systems at this stage would harm defense in depth, but that relying on them exclusively would be insufficient protection.  I am intrigued by whitelisting, but am concerned that it&#039;s not a mature enough technology to deploy widely... at least not in my industry.

I am also growing increasingly concerned about web-based exploits.  If I can write a script that runs in the browser and sends data off the world, it seems unlikely to be caught by either traditional AV or whitelisting.  The same goes with malware that is based at the hypervisor level. 

Really, the fundamental solution is to have hardware and operating systems that lack security holes.  Until we get to that point, however, I think we have to just realize that a portion of our system resources have to spent checking that the rest of the system it&#039;s doing anything wrong.

It&#039;s not ideal, but there you are.</description>
		<content:encoded><![CDATA[<p>I disagree that it&#8217;s throwing money away, but I do agree that we&#8217;ve reached a limit for what it can do.  However, it&#8217;s important to know that a basic &#8220;AV&#8221; system these days also provides a lot of non-signature-based benefit, including basic HIPS and easier corporate management of various security features.</p>
<p>I think that eliminating these systems at this stage would harm defense in depth, but that relying on them exclusively would be insufficient protection.  I am intrigued by whitelisting, but am concerned that it&#8217;s not a mature enough technology to deploy widely&#8230; at least not in my industry.</p>
<p>I am also growing increasingly concerned about web-based exploits.  If I can write a script that runs in the browser and sends data off the world, it seems unlikely to be caught by either traditional AV or whitelisting.  The same goes with malware that is based at the hypervisor level. </p>
<p>Really, the fundamental solution is to have hardware and operating systems that lack security holes.  Until we get to that point, however, I think we have to just realize that a portion of our system resources have to spent checking that the rest of the system it&#8217;s doing anything wrong.</p>
<p>It&#8217;s not ideal, but there you are.</p>
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		<title>Comment on Don&#8217;t renew that anti-virus contract by David</title>
		<link>http://blogs.sans.org/security-leadership/2009/08/10/dont-renew-that-anti-virus-contract/comment-page-1/#comment-71</link>
		<dc:creator>David</dc:creator>
		<pubDate>Thu, 13 Aug 2009 13:28:33 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.sans.org/security-leadership/?p=1036#comment-71</guid>
		<description>Getting rid of AV across an enterprise population of Windows client or server machines is horrible advice and is a wonderful way to get yourself fired.  Can you name one organization of appreciable size running app whitelisting for their knowledge workers?  I am not aware of one.  App Whitelisting solutions like Bit9, Sanctuary, etc are right now best suited for kiosks, cash registers, and other cookie cutter configuration machines - not the corporate offices.  That might change in the future as those products mature and develop, but certainly not right now.  Lousy advice.  Sorry.</description>
		<content:encoded><![CDATA[<p>Getting rid of AV across an enterprise population of Windows client or server machines is horrible advice and is a wonderful way to get yourself fired.  Can you name one organization of appreciable size running app whitelisting for their knowledge workers?  I am not aware of one.  App Whitelisting solutions like Bit9, Sanctuary, etc are right now best suited for kiosks, cash registers, and other cookie cutter configuration machines &#8211; not the corporate offices.  That might change in the future as those products mature and develop, but certainly not right now.  Lousy advice.  Sorry.</p>
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		<title>Comment on Don&#8217;t renew that anti-virus contract by Alan Mercer</title>
		<link>http://blogs.sans.org/security-leadership/2009/08/10/dont-renew-that-anti-virus-contract/comment-page-1/#comment-66</link>
		<dc:creator>Alan Mercer</dc:creator>
		<pubDate>Wed, 12 Aug 2009 23:44:38 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.sans.org/security-leadership/?p=1036#comment-66</guid>
		<description>CommTouch is a company that provides spam detection services.  I&#039;ve dealt with them indirectly as Watchguard uses them for their SpamBlocker solution on their Firebox line.  So far, they have proven fairly effective at spam detection and catch the majority of viruses in email before it hits the desktop.

Again, are AV tests truly valid and are issues with AV software user based to some degree.  Many AV solutions do not enable all detection by default, users fail to turn this on and testers tend to use default installations (mimicing users).  Many like Symantec provide heuristic detection to determine malware like behavior but are not fully enabled by default.  Is part of the answer not to improved default security at initial installation?

But yes, new threats evolve all the time and signature based detection will always trail new threats.</description>
		<content:encoded><![CDATA[<p>CommTouch is a company that provides spam detection services.  I&#8217;ve dealt with them indirectly as Watchguard uses them for their SpamBlocker solution on their Firebox line.  So far, they have proven fairly effective at spam detection and catch the majority of viruses in email before it hits the desktop.</p>
<p>Again, are AV tests truly valid and are issues with AV software user based to some degree.  Many AV solutions do not enable all detection by default, users fail to turn this on and testers tend to use default installations (mimicing users).  Many like Symantec provide heuristic detection to determine malware like behavior but are not fully enabled by default.  Is part of the answer not to improved default security at initial installation?</p>
<p>But yes, new threats evolve all the time and signature based detection will always trail new threats.</p>
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