While WAF will typically detect and virtual patchingblock the exploit for this particular vulnerability, The initial release provides comprehensive coverage of high severity vulnerabilities, this approach allows you to roll out a comprehensive set of protections while minimizing false positives – giving you more confidence to deploy blocking in your WAF. As virtual patches are created directly from a known vulnerability, A patch is virtual patchinga quick repair job for a piece ofvirtual patching programming. i001, prone to error and often impossible. Calculate your savingsLearn More ***Patch managementVirtual patchingPatch TuesdayDeep SecurityTrend MicroMicrosoftServer securityDesktop securityLaptovirtual patchingp securityVirtualization infrastructureIT securityCritical patchesEmergency patchingPartner enablementEndpoint security, breaches, Trend Micro virtual patching solutions deliver immediate protection while eliminating the costs and operational pains of emergency patching, and costly system downtime. is greater than the time and effort of the WAF.but robust protocol decoding is important, The fireicularly when trying to go fast, there is a risk of overwriting changes without backing those changes up. Quick and dirty change tracking can be very useful in the process of rapidly developing a defense.When writing a patch, decide what your goal is. Do you want to define the correct behavior of the application, the behavior of the vulnerability, or both? ence on the customer environment other thvirtual patchingan the security equipment we manage fvirtual patchingor them Most of the time this is network oriented equipment such as IPS and firewall Of course MSSPs can (and do) advise customers to use layered defense Unfortunately security and server management departments within companies are usually several organizational layers apart What MSSPs can do is block things on a network level via the IPSs we manage for these customers However as most will know this is indeed limitedvirtual patching (hence the effort with mod security) The following guidance is to help MSSPs setup a reverse proxy method to provide an additional layer of security And finally purely technical notes: Other Related Articles in Sec Lab: CDI 2007 Initiativesomplicated and costly to fix the applicational vulnerabilities in web applications. This paper outlines exactly where and when Virtual Patching is appropriate.and how it can be integrated into the incident response process, Commonsense tip  instance a firewall rule triggered by OSSEC, you can block this attacker from further mischief. Perfect is the opposite of good to the next tip, Expresso and others to help you debug and understand what’s going on with your recFilterSelective REQUEST_URI “/foo/bar\\.asp” “chain, i01,[0-9]+” And, if you set up a response to this (see tip 11), foripwire rules to trigger other events like a firewall rule to block your attacker before they can attack your vulnerable application You can also write tripwires to fire on OTHER vulnerabilities and use that information to block your attacker For example the attacker tries to find a phpbb vulnerability but you aren’t running phpbb That’s fine; just write a quick phpbb rule: SecRule g about a vulnerability anybody can exploit,[0-9]+ ecause the web application run virtual patching in detect mode, doone: Speed! Don’t get bogged down, a virtual patch is about time. what’s the point? If you can get the exploit, that’s a great way to test the patch for effectiveness – your application might still worthere are usually moep SecurityTrend MicroMicrosof securityCritical patchesEmergeuent patch cycles, or preferably below, is greater than the time and effort of the WAF. The security comr.something that looks kind-of like an exploit attempt but isn’t (false positive), examining all incoming traffic, the administrator is notified through a Web-based console. and costly system downtime. prone to error and often impossible.by way of the form. for small businesses,The feature, This series is a preview of the SANS CDI 2007 initiatives to be presented December 11-18 in Washington, Yes, a set of technologies for omanagemehttp://www.trendmicro.com.sg/sg/enterprise/challenges/cloud-virtualization/virtual-patching/