What is the NetBIOS Name Service, and Why is it Vulnerable to Poisoning Attacks? When reaching other systems on the network, we tend to think of DNS being the primary way that a Windows computer can translate a name to an IP address. However, there are several other methods available. One of the available name resolution services is the NetBIOS over TCP/IP Name Service (NBT-NS).…
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In a recent post, we discussed many of the challenges with attesting to PCI DSS compliance, including a description of some of the factors that are often overlooked when defining the cardholder data environment (CDE). See “Common Misconceptions around the Payment Card Industry Data Security Standard (PCI DSS)” from our recent series of blogs on PCI DSS-related topics for more information. …
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Picking up from last week’s post on Preparing to Migrating to a Secure Cloud, the first part of our Azure Secure Cloud Migration blog series, we’ll jump right in to how and why the client’s Azure network was architected. Connectivity and traffic flow between Azure, on-premises locations, and even business partners are things to consider immediately, as they impact the overall structure of the...
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Everyone knows the days of the US telecom carriers supporting their old copper facilities are numbered. All the major service providers have filed with PUC’s and the FCC stating this fact. So why haven’t all utilities started the undertaking of finding new telecommunication solutions to replace those old POTs and Class A circuits when such critical services as SCADA and teleprotection ride...
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