11 Essential Cybersecurity Tips to Protect Your Digital Life in 2025

2. Turn On Multi-Factor Authentication (MFA) Everywhere

Think of multi-factor authentication as the seatbelt of digital security—an extra step, but one you’ll be glad you took. It works by adding a second barrier: even if someone guesses (or steals) your password, they need another “proof” to get in. In 2025, the best MFA options use app-based (like Google Authenticator) or hardware devices (such as a YubiKey), rather than old-school text messages alone. Some sites let you tap an app or your fingerprint, while others use a small physical key that plugs right into your USB port. Wondering where to start? Enable MFA for any account tied to money, health, personal messages, or social media. Most big websites nudge you toward these options, and setup is usually a breeze. That tiny extra step is one of the most effective shields you can use—no technical jargon, just stronger locks on your digital doors.