Start here · Essential guide
A Plain Guide to Securing Your Accounts and Devices
A layered overview of account security: how logins, devices and backups fit together, and why no single protection is enough on its own.
Privacy and Security
Securing Accounts and Devices
The building blocks that keep logins, phones and computers safe.
Backups Explained: The Idea Behind Keeping Several Copies
Why a single copy of your files is not a backup, how local and cloud copies differ, and how to test a restore so you know it works when needed.
Device Encryption: What It Protects and What It Does Not
How device encryption scrambles stored data, when it helps if a phone or laptop is lost or stolen, and the situations where it offers little protection.
How Antivirus and Built-In Protection Work
How antivirus software spots malware using signatures and behavior, and where the protection built into your operating system overlaps with add-on products.
How Secure Messaging Apps Protect Conversations
How end-to-end encryption keeps message contents private, what metadata can still be visible, and why unprotected backups can weaken the protection.
Passkeys Explained: Logging In Without a Password
A plain-language look at how passkey login uses public-key cryptography, how it differs from passwords, and what to consider before switching.
Planning for a Lost Phone: Locking, Locating and Wiping
How remote lock, find and erase features work on a lost phone, and which settings you need to turn on before it goes missing for them to help.
Public Wi-Fi Risks and Sensible Safeguards
Which risks on public Wi-Fi are real, which are exaggerated, and the practical safeguards that help, from HTTPS and updates to using a VPN or mobile data.
Two-Factor Authentication Methods Compared
A comparison of two-factor authentication methods, from text codes and authenticator apps to hardware keys, by convenience and resistance to common attacks.
Why Software Updates Matter for Security
What security patches fix, why putting off software updates creates risk, and how automatic updating works on phones, computers and other devices.
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