Slides for class on home computing security

1. Joshua Johnston Free Geek | Advanced Security TopicsJoshua Johnston
Home Computing Security
Everything sucks and is out to get you.
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2. Joshua Johnston Free Geek | Advanced Security Topics
The Basics
• Update everything. Always.
• Be wary of emails from strangers.
• Be cognizant of the websites you go to.
• Backup everything
• Use a VPN in public. Maybe in Private too…
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3. Joshua Johnston Free Geek | Advanced Security Topics
Tools to help out with security
• Antivirus Tools
• Password Lockers
• Data Shredders
• Full Disk Encryption
• Virtual Machines
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4. Joshua Johnston Free Geek | Advanced Security Topics
Free Antivirus Tools
• Comodo
• Sophos
• Kaspersky?
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Password Lockers
• Password Gorilla
• KeePassX
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6. Joshua Johnston Free Geek | Advanced Security TopicsJoshua Johnston
KeePassX Installation and Use
Linux Mint
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Data Shredders
• BleachBit
• SSD’s are very difficult to fully erase
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Full Disk Encryption
• Optional during OS setup on Ubuntu and Linux Mint
• Default setting on Windows (BitLocker)
• Filevault on Mac
• Provides security if device is stolen
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14. Joshua Johnston Free Geek | Advanced Security Topics
Using a VM
• A computer within a computer
• A “safe environment”
• Can be wiped away and rebuilt without consequense.
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15. Joshua Johnston Free Geek | Advanced Security Topics
VPN https://www.pcmag.com/article2/0,2817,2403388,00.asp
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16. Joshua Johnston Free Geek | Advanced Security TopicsJoshua Johnston
Online Security
Hey Y’all, Im Mary Poppins
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17. Joshua Johnston Free Geek | Advanced Security Topics
Browser Plugins
• Privacy Badger
• Scriptsafe
• AdBlock Plus
• HTTPS everywhere
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Email
• Proton Mail
• PGP with Thunderbird Email
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https://www.youtube.com/watch?v=1-MPcUHhXoc

21. Joshua Johnston Free Geek | Advanced Security TopicsJoshua Johnston
PGP setup on Thunderbird
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PGP setup
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• GNUpG comes default in Mint
• Thunderbird is default mail software, comes with
Mint
• Just have to install Enigmail and then create Public
Private Key pair.
• Super simple.
• Provides encryption and lets you know for sure who
your taking to.
• https://ssd.eff.org/en/module/how-use-pgp-linux

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31. Joshua Johnston Free Geek | Advanced Security TopicsJoshua Johnston
Social Media
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Facebook
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LinkedIn
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Test Scenarios?
Drinking coffee at Starbucks…
I just got a weird alert from Facebook….
This email is really sensitive….
I want to watch a streaming sports game…
Why do I get these really weird ads in my social media…
I’m getting a new laptop…..
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45. Joshua Johnston Free Geek | Advanced Security TopicsJoshua Johnston
Q/A
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46. Joshua Johnston Free Geek | Advanced Security Topics
Electronic Frontier Foundation
• www.eff.org
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47. Joshua Johnston Free Geek | Advanced Security Topics
Thank you for coming!
• Please fill out a survey
• Check out the Free Geek Schedule for other classes you may be
interested in!
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