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Malware is software that’s designed to steal or damage data or systems. It can infiltrate devices, disrupt operations, and cause financial losses for individuals and organizations. There are many different types of malware, including viruses, worms, trojans, spyware, ransomware, cryptojacking, botnets, and more, with each attack method having unique effects on users and businesses.

The most common way attackers install malware is through phishing emails, smishing text messages, or compromised websites that contain malicious links or downloads. Alternatively, cybercriminals can use exploit kits to scan for unpatched security vulnerabilities and silently install malware on computers or mobile devices.

Once installed, malware can spy on your activity or download additional files and programs onto your device. Depending on the type of malware, it can also encrypt or destroy files, take over your device to run malicious commands, or spread across networks.

Some common signs of a malware infection include the device running slower than usual, pop-ups, and low storage space. Unknown apps, illegitimate ads, and changing device settings can also indicate an infection.

Businesses should be wary of any suspicious files or apps, and be sure to update operating systems and apps regularly to reduce vulnerability to attacks. Additionally, a Zero Trust model that limits lateral movement between devices and the internet can help prevent malware infections.