Keeping Devices Secure
Learn practical steps to keep your phone, tablet, and computer secure with updates, backups, strong passwords, and smart settings.
Why Device Security Matters
Your phone, tablet, and computer contain more personal information about you than your wallet, filing cabinet, and address book combined. They hold your email, your photos, your financial accounts, your contacts, your medical information, and your daily communications.
Keeping these devices secure isn't about becoming a technology expert — it's about establishing a few good habits that provide ongoing protection. Think of it like maintaining a car: you don't need to be a mechanic, but you do need to keep gas in the tank, change the oil, and lock the doors.
What Are You Protecting Against?
Theft of information: Scammers, hackers, and criminals want access to your personal data — bank logins, credit card numbers, Social Security information, and email accounts.
Ransomware: This is malicious software that locks all your files and demands payment to unlock them. If you don't have a backup, you could lose everything — photos, documents, everything.
Account takeover: If someone gets into your email or social media accounts, they can impersonate you, contact your friends and family, and potentially access your financial accounts.
Privacy invasion: Some apps and websites collect more information about you than you'd expect, tracking your location, browsing habits, and personal preferences.
The Good News
Modern devices are remarkably secure when they're properly maintained. Both Apple and Google invest heavily in security, and the built-in protections on iPhones, iPads, Android devices, Windows computers, and Macs are quite good.
The most common security failures aren't due to sophisticated hacking — they're due to:
- Not installing updates
- Using weak or reused passwords
- Clicking on phishing links (covered in earlier modules)
- Not having backups
All of these are well within your control.
This Module's Approach
We'll cover five practical areas:
- Keeping software up to date (the most important single step)
- Backing up your data (your safety net)
- Built-in security features (what's already protecting you)
- App permissions (controlling what apps can access)
- Wi-Fi and network safety (securing your home internet)
Each topic includes specific steps you can take — or ask a family member to help you with — to make your devices more secure.
You Don't Have to Do Everything at Once
If this feels like a lot, focus on the first two topics: updates and backups. Together, these two habits provide the majority of your protection. You can tackle the others over time.
And if you need help with any of these steps, there's no shame in asking a family member, a friend, or even the staff at your local phone carrier store or Apple Store. Many libraries also offer free technology help sessions.