They watch incoming and outcoming traffic for suspicious activity. The stakes are high, so it’s important to be on your guard and secure your network.įirewalls are an essential partner for antivirus software. Today, malware coders are often organized criminals, sometimes even working directly for a foreign government or intelligence agency. Once upon a time, the hackers who wrote viruses were amateurs playing pranks, just to prove their abilities. Once inside your computers and devices, they can control programs, corrupt files and even permanently shut down your hardware. They keep systems from functioning normally and they replicate relentlessly.
Computer viruses are code written to steal and destroy.
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