NETWORKING By Mary Branscombe Windows tries to keep your PC safe online by not allowing incoming network connections unless the software you’re using asks for them. Here’s how it figures that out, and how you can fine-tune it. In the real world, a firewall is a physical barrier meant to stop a fire — or […]

NETWORKING By Simon Bisson Small Office/Home Office (SOHO) routers are more secure than you think — although they could do with a little help from their friends. Way back when we used dial-up to connect to the Internet, software firewalls such as ZoneAlarm were all we needed to protect our PCs — because slow-speed connections […]

tl;dr  Implement this ACL using whatever network gear, cloud ACL config, or uncomplicated firewall you use to protect your networks. Our IOT devices are on 10.99.99.0/24 for this example. Also, […]

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The internet is a product of a global group effort to build an interoperable network connecting billions of devices, regardless of country, region, or manufacturer. That effort yielded hundreds of […]

The post Unpacking the Packet: Demystifying the Internet Protocol appeared first on Black Hills Information Security, Inc..

Kent Ickler & Jordan Drysdale // Preface We had a sysadmin and security professional “AA” meeting on November 8, 2018. We met and discussed things that seem to be painfully […]

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Ethan Robish // In this series of posts, I’ll discuss how I segmented my home network using VLANs and how I moved away from using a risky consumer-grade router at […]

The post Home Network Design – Part 1 appeared first on Black Hills Information Security, Inc..