If you're running your Windows network on Cisco routers and switches, be aware that Cisco has just recently released their semi-annual "bundle" of IOS security advisories, with eight advisories addressing vulnerabilities in their IOS software that could result in denial of service attacks, interface queue wedges or Border Gateway Protocol (BGP) session resets. You can find out details about the eight vulnerabilities here:
http://www.cisco.com/web/about/security/intelligence/Cisco_ERP_sep12.html
