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With the world changing, people are increasingly seeking solutions to their problems online. Google is improving its algorithm daily. Many marketers are currently relying on SEO to improve their ranking. There are illegal, unethical techniques used by SEO experts. By using them, however, you risk getting your domain on Google's blacklist.

Read this article to learn top 5 McAfee spam filtering alternatives that can suit your business needs.

A computer virus is a malicious program or set of files which degrades and affects the performance of a computer. At times, it also results in improper functioning of a computer or operating system. A virus can spread from one computer to another when they are connected through a network. Removable media such as pen drives, memory cards, floppy disks etc. have been traditionally some of major sources through which viruses used to spread.