Terry's Blog

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• The Case of the Failed PCI Audit

  "Holy Crap!" exclaimed David from the depths of the cube farm, "We just failed the PCI audit! Check out the email from Tony." Tony is the CIO. David is one of my co-workers, a good friend, and overall smart guy. I turned to my email... Posted Jun 09 2009, 08:58 AM by tslattery with | with 1 comment(s) Filed under: network discovery, security, Featured, PCI

• Anti-spoofing filters

  I've been doing more consulting work and am surprised by the number of organizations that don't use anti-spoofing filters within their networks. An anti-spoofing filter is placed on the input side of a router interface of a user subnet and only... Posted May 20 2009, 04:42 PM by tslattery with | with 2 comment(s) Filed under: security, Featured, netflow

• Wireless Security

  I was just reading about a neat free wireless vulnerability scanner written by Josh Wright, WiFiDEnum . It scans both wired and wireless systems and checks for vulnerable wireless drivers. Josh was interviewed by Network World and the resulting 'chat'... Posted Mar 05 2008, 08:20 PM by tslattery with | with no comments Filed under: wireless, security, network world, vulnerability

• IPv6 Security

  One of the security factors I’ve heard espoused about IPv6 is that the large address space (128 bits: 64 bits of network and 64 bits of host address) makes it impossible to scan the network for hosts. On initial inspection, this seemed like a reasonable... Posted Sep 04 2007, 09:21 AM by tslattery with | with no comments Filed under: Network Topology Discovery, network discovery, security, network design, ipv6