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      • Grabbing the Files
      • Decoding the Files
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  • Security and Privacy
    • Why Do We Need Privacy, And Isn’t It A Waste Of Time Anyway?
    • Encryption and E-mail
      • Encryption Basics
      • Creating a Key Pair – Command Line
      • Creating a Key Pair – GUI Client
      • Encryption and E-mail with Thunderbird
      • Encryption and Gmail
      • Encrypting E-mail on Android; Importing Keys
    • Hashing, Passwords, and Certificates
      • Hashing and Password Security
      • Passwords, Entropy, and Good Password Practices
      • Symmetric vs. Asymmetric Encryption
      • Digital Signatures and Certificates
      • TLS/SSL Certificate Issues and Solutions
    • True Crypt, Heartbleed, and Lessons Learned
    • Sensible Security: The Schneier Model
    • TrueCrypt and GnuPG: An Update
    • TrueCrypt, Heartbleed, and Lessons Learned
    • LastPass Hacked: What Does This Mean?
    • SSH and Tunneling
      • SSH Introduction
      • Home ssh server
      • SSH Basics
      • SSH Authentication: Keys
      • SSH Authentication: Server and Agents
      • SSH options, Port Forwarding over SSH, Keepalives
      • SSH, Tunneling, and VPNs
      • SOCKS Proxy
    • Security Best Practices from SOUPS
    • NIST’s New Password Rules
    • Diffie-Hellman-Merkle Key Exchange
    • Diffie-Hellman and Forward Secrecy
    • TLS 1.3
    • NIST Cybersecurity Framework
    • Encryption and Quantum Computing
    • NotPetya and Maersk: An Object Lesson
    • News update on Firefox
    • NIST’s Quantum Cryptography Update 20200815
    • NIST Quantum Cryptography Update 20221008
    • Passkeys
  • Slide Shows
    • Introduction to Linux
    • Linux Directory Structure
    • The find and locate Commands
    • Installing Software in Linux
      • Installing Software in Linux, Part 1: Repositories
      • Installing Software in Linux, Part 2: Working With Packages
      • Installing Software in Linux, Part 3: Command Line and Compiling From Source
    • The Shell Game
      • The Shell Game, Part 1: What is a Shell?
      • The Shell Game, Part 2: What are the choices in shells?
      • The Shell Game, Part 3: Introduction to Bash
      • The Shell Game, Part 4: Bash Shortcuts
    • Hardware Discovery Commands
    • The ps Command
    • Installing Linux: Partitioning and File System Considerations
    • The ifconfig Command
    • Help, My Computer is Sluggish!
    • Passwords
    • Encryption Basics
    • SSL Certificates
    • Password Best Practices and the LastPass Hack
    • Diffie-Hellman-Merkle Key Exchange
    • Forward Secrecy
    • TLS 1.3
  • Better Social Media?
    • Pluspora
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    • The Fediverse
    • ActivityPub Conference 2019
      • Opening Keynote 9/7/19: “ActivityPub: past, present, future”
      • Is ActivityPub Paving The Way to Web 3.0?
      • The Semantic Social Network
      • Keep unwanted messages off the Fediverse
      • Decentralised Hashtag Search and Subscription in Federated Social Networks
      • OSS compliance with privacy by default and design
      • Advice to new Fediverse administrators and developers
      • The case for the unattributed message
      • Federated Blogging with WriteFreely
      • I don’t know what I’m talking about: a newbie’s introduction to ActivityPub
      • Architectures of Robust Openness
    • OcapPub
    • PixelFed
    • ActivityPub Conference 2020
      • ActivityPub 2020: Evan Prodromou
      • ActivityPub Conference 2020: Nilesh Trivedi
    • BookWyrm
    • Fediverse Update May, 2022
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Security and Privacy

  • Why Do We Need Privacy, And Isn’t It A Waste Of Time Anyway?
  • Encryption Basics
  • Generating Keys on the Command Line
  • Creating a Key Pair – GUI Client
  • Encryption and Email with Thunderbird
  • Encryption and Gmail
  • Key Signing
  • WASHLUG 20140515 GPG and E-mail
  • TrueCrypt, Heartbleed, and Lessons Learned
  • Encrypting E-mail on Android; Importing Keys
  • Sensible Security: The Schneier Model
  • Hashing and Password Security
  • Passwords, Entropy, and Good Password Practices
  • Symmetric vs. Asymmetric Encryption
  • Digital Signatures and Certificates
  • Certificate Issues and Solutions
  • TrueCrypt and GnuPG – An Update
  • LastPass Hacked – What Does It Mean?
  • ssh Introduction
  • Home SSH Server
  • SSH Basics
  • SSH Authentication – Keys
  • WASHLUG Talk on LastPass
  • SSL Certificates – How They Work
  • SSL Certificates – Problems
  • Diffie-Hellman-Merkle Key Exchange
  • Diffie-Hellman and Forward Secrecy
  • TLS 1.3
  • CERT Home Security Tips
  • NIST Cybersecurity Framework
  • Encryption and Quantum Computing
  • NotPetya and Maersk: An Object Lesson
  • Firefox Update
  • NIST’s Quantum Cryptography Update
  • LastPass Security Dashboard
  • Linux Under Attack
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