Klassroom Notes

Security & Privacy

Practical, no-jargon steps to protect your accounts, your data, and your customers - from passwords and two-factor authentication to backups, phishing, and what 'free' services really do with your information.

Klassroom Notes
Your files are saved. That doesn't mean they're safe.
Klassroom Notes
The warning signs that an email is trying to trick you.
Klassroom Notes
The second lock that stops most account break-ins cold.
Klassroom Notes
Why reusing one strong password is the dangerous part - and the simple fix.
Klassroom Notes
Why so many useful tools cost nothing - and what they're actually getting from you.

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Practical notes on running a small business more efficiently - tools, workflows, and the occasional observation from 30 years of systems work. Short, useful, and infrequent.