20 Ways to Block Mobile Attacks

Overview

Don't let your guard down just because you're on a mobile device. Be just as careful as you would on a desktop.

Alt text: Infographic titled “20 Ways to Block Mobile Attacks” with security tips covering Wi-Fi, apps, browsers, Bluetooth, smishing, and vishing, displayed around an illustration of a smartphone.

Wi-Fi

  • Don't allow your device to auto-join unfamiliar networks.
  • Always turn off Wi-Fi when you aren't using it or don't need it.
  • Never send sensitive information over Wi-Fi unless you're absolutely sure it is a secure network.

Apps

  • Only use apps available in your device's official store. NEVER download from a browser.
  • Be wary of apps from unknown developers or those with limited or bad reviews.
  • Keep them updated to ensure they have the latest security.
  • If they're no longer supported by your store, just delete them.
  • Don't grant administrator or excessive privileges to apps unless you truly trust them.

Browser

  • Watch out for ads, giveaways, and contests that seem too good to be true. Often, these lead to phishing sites that appear to be legitimate.
  • Pay close attention to URLs. These are harder to verify on mobile screens, but it's worth the effort.
  • Never save your login information when you're using a web browser.

Bluetooth

  • Disable automatic Bluetooth pairing.
  • Always turn it off when you don't need it.

Smishing (Phishing via SMS)

  • Don't trust messages that attempt to get you to reveal any personal information.
  • Beware of similar tactics in platforms like WhatsApp, Facebook Messenger, Instagram, etc.
  • Treat messages the same way you would treat email; always think before you click!

Vishing (Voice Phishing)

  • Do not respond to telephone or email requests for personal financial information. If you are concerned, call the financial institution directly, using the phone number that appears on the back of your credit card or on your monthly statement.
  • Never click on a link in an unsolicited commercial email or website.
  • Speak only with live people when providing account information, and only when you initiate the call.
  • Install software that can tell you whether you are on a secure

Last Updated: August 18th, 2026