How Android threats spread outside the Play Store
Android threats do not only come from the official app store. Harmful apps can be installed from other websites or can appear later through updates to apps that originally seemed safe.
Who is at risk
Anyone who uses an Android phone or tablet, especially people who install apps from outside the official app store or rarely review app permissions and updates.
What to watch for
Watch for apps that suddenly ask for new access, unusual pop-ups, fast battery drain, unexplained charges, or a phone that becomes slow or behaves strangely after an app install or update.
What to do
Review recently installed or updated apps, remove anything unfamiliar, turn off app installs from unknown sources, and make sure your phone and apps are fully updated.