A Defensive Computing Checklist by Michael Horowitz 
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Airbnb
Alexa
Amazon
Amazon Fire Tablets
Android
Apple NEW
Apple iOS
Apple Macintosh
ATM
AT&T
Batteries
Bluetooth
Browsers
Browser Fingerprinting
Cars
Car Services
Cash Apps
Cell Phone Companies
Chromebook
Cloud File Storage
The Competition
Credential Stuffing
Credit Freeze NEW
Crypto
Death
Defensive Computing - Presentation
Defensive Computing - Other Sources
Defensive Computing - Reading List
Defensive Computing - InThe News
Desktop Operating Systems
Disasters (Natural)
DNS
Domain Name Rules
Echo
Email
Email - multiple addresses
Emergency Alerts
Encryption
Encrypted Messaging
Encrypted DNS
Extra Credit
Facebook
Facebook Messenger
Fake Job Scams
Fake Images
Fake Voice Scams
File Storage (secure)
Fingerprinting browsers
Firefox
Fire Tablets (from Amazon)
Fraud - Reporting
Freeze Your Credit NEW
Gift Cards
Gmail
Google
Google Search
HOPE conference Presentation
Home Protection NEW
Home Page
Identity Theft
iMessage
Instagram
iOS (iPhone iPad)
iOS Networking
Job Scams
Juice Jacking
K LinkedIn
Link Expanders
Location Tracking
Lyft
macOS (Apple desktop)
Microsoft
Microsoft Office
Messaging - Security
Mobile OS Spying
Mobile Scanning/ Sharing
Natural Disaster
Networking
Network Attached Storage(NAS)
News about DC
Odds and Ends
Office Software
Other Sources
Passkeys
Passwords
Paypal
Phone Scams
Phishing by Voice
Phone Number Hiding
Power Outage
Printers
Presentation
Protecting Children from Bad Adults
Proton Mail
Public Wi-Fi
Ring Doorbells
Reading List for Defensive Computing
Reporting Bad Stuff
Remote Control
Roku
Routers
Rules of the Road
Safe Spaces
Scams - fake jobs
Scams - Fake Voices
Scams - on phone
Scams - tech support
Search Engines
Secure File Storage
Secure Messaging
Secure Websites
Session
SIM Swaps
Signal
Slack
Smart Speakers
Smart TVs Hacked
Social Security
Stalkerware (Spyware)
Surge Protectors
Tablet - Amazon Fire
Tax Filing in the US
Tech Support Scams
Telegram
Text Messages
Threema
TikTok
T-Mobile
Traveling
TV Watches You
TVs Hacked
Twitter
Two Factor Authentication
Uber
URL Expanders
USB Condoms
USB Flash Drives
Venmo
Verizon
Voice Assistants (Alexa,etc)
Voice Phishing /Scams
VPNs
VPNs - My Experiences
Web Browsers
Web Browser Fingerprinting
Website Hosting
Website Identity Verification
Websites - Secure?
WhatsApp
WiFi - safe in public
Windows
YouTube NEW Zelle
Zoom
NOTE: Topics are listed here every way I could think to list them, so many topics repeat. For example, Amazon Fire Tablets are listed under A for Amazon, F for Fire and T for Tablet
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