Eric Mann's Blog

  • Writing
  • Adversarial mindsets
    March 17, 2022

    Adversarial mindsets

    What’s the absolute worst thing that could happen with your application? How could an adversary leverage that mistake to their advantage?

    Security
  • Going analog
    March 16, 2022

    Going analog

    Sometimes it pays to sever the digital cord and leverage an analog solution. The change in medium will often change your perspective.

    Writing
  • Radical candor
    March 15, 2022

    Radical candor

    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.

    Business
  • Cryptopals: Set 1 – challenge 8
    March 14, 2022

    Cryptopals: Set 1 – challenge 8

    The final Cryptopals challenge in set 1 involves detecting AES when used in ECB mode. It will become a handy utility later on …

    Security, Technology
  • Cryptopals: Set 1 – challenge 7
    March 13, 2022

    Cryptopals: Set 1 – challenge 7

    Next up with Cryptopals is a challenge to decrypt AES in ECB mode. This is relatively easy in PHP!

    Security, Technology
  • Cryptopals: Set 1 – challenge 6
    March 12, 2022

    Cryptopals: Set 1 – challenge 6

    A return to Cryptopals means we get to break the repeating-key cipher we were working with before. Breaking crypto is fun!

    Security, Technology
  • Limiting network egress
    March 11, 2022

    Limiting network egress

    Blocking incoming traffic is only half of a firewall’s features. Today let’s look at limiting outgoing traffic!

    Security, Technology
  • Basic firewall usage
    March 10, 2022

    Basic firewall usage

    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.

    Security, Technology
  • Overcoming imposter syndrome
    March 9, 2022

    Overcoming imposter syndrome

    Though it’s easy for me to think so sometimes, I am NOT an imposter. Neither are you.

    Technology
  • Imposter syndrome
    March 8, 2022

    Imposter syndrome

    When are they going to notice? That I don’t belong here? That I’m an imposter. Oh no … I think they already know!

    Technology
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