device security

How to Lock Your Phone or Computer and Prevent Unauthorized Access

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Introduction Learning how to lock your phone or computer is a basic step toward preventing other people from accessing the device without permission. A screen lock is especially useful when a device is unattended, shared, lost, or stolen. Device locking can involve a personal identification number (PIN), a password, a biometric method such as a … 더 읽기

What Is Malware and How Can You Protect Your Devices?

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Introduction Malware is an everyday digital security concern because computers and other devices may store personal files, account information, work documents, and backups. Harmful software can threaten that information or disrupt access to the device itself. This beginner-friendly guide explains what malware is, how infections can happen, which protective measures reduce risk, and how to … 더 읽기