You are not your customer
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When you start a company and come up with a name, whether or not you like the name doesn’t matter. You are not the customer.
2022
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Understanding access control
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Every application that allows authentication requires a proven form of access control. It’s important to understand the different formats available.
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Adversarial mindsets
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What’s the absolute worst thing that could happen with your application? How could an adversary leverage that mistake to their advantage?
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Going analog
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Sometimes it pays to sever the digital cord and leverage an analog solution. The change in medium will often change your perspective.
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Radical candor
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Performance reviews can be both a celebratory reflection on the last period of time and a chance to set expectations for the period to come.
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Cryptopals: Set 1 – challenge 8
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The final Cryptopals challenge in set 1 involves detecting AES when used in ECB mode. It will become a handy utility later on …
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Cryptopals: Set 1 – challenge 7
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Next up with Cryptopals is a challenge to decrypt AES in ECB mode. This is relatively easy in PHP!
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Cryptopals: Set 1 – challenge 6
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A return to Cryptopals means we get to break the repeating-key cipher we were working with before. Breaking crypto is fun!
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Limiting network egress
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Blocking incoming traffic is only half of a firewall’s features. Today let’s look at limiting outgoing traffic!
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Basic firewall usage
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If you run a server in the cloud, you need to use a firewall to protect it. Let’s look at the most basic settings of Ubuntu’s ufw system.