There are many ways a malicious attack can happen on your computer with seemingly no way of knowing, however, there are some systems that have been put into place that can let people know if they have malicious software on to their computer. The first and probably the most well known way of being able to tell is through the use the use of an anti-virus software. Nowadays most computers come with this software already installed and it starts the computer off with a free few months of protection, this software serves to run scans on the computer and detect and malware within it. Most of these software’s also send out warnings when a computer is at risk and lists the steps to take to avoid a potential attack. There are also a couple of other ways to be able to tell that a device has malware within, one main way that is common with virus attacks is a tremendous decline in speed within the device, other attacks that is common is a for of ip grab where a hacker has access to a persons computer and can also affect the speed of the internet as well as turning it off entirely. The last reason a person is able to tell that their computer is no longer safe is constant system crashes and missing files, if a person noticed this they are most likely a victim of a virus that has began corrupting the computer. Overall the important thing to take from this is that there are a few different ways to make sure that a computer is safe from malware and other dangerous cyber issues within the computer but the most important step to take is practice safety precautions when using a computer to try and protect yourself to the max properties.