Heuristics is a method/way by which computers and antiviruses can protect the systems. It is used to detect unknown viruses as well as their new variations. Heuristic is an expert-based analysis that determines if the system is susceptible to a threat or an attack. The weighing method is by multi-criteria analysis and is based on available statistics.

What is a DoS attack? A DoS attack means a Denial-of-Service attack, which happens when a single hacker attacks a single target computer. So, one computer and one Internet connection is used to flood the server with packets. The cybercriminal sends in a large number of legitimate-looking requests to the server in a way that the server really cannot distinguish between viable and non-viable request.

Software installed on a computer system without the knowledge of the user is known as the spyware. Although such software are installed for reasons that are not meant to cause any harm or damage, they could possibly end up exploiting the privacy of the users, thus causing a tendency of being abused.

To keep the virus attack on the computer or mobile device at bay, many of us prefer to install antivirus software. Installing an antivirus software keeps the device safe from hackers and malware attacks with the help of the latest updates that protect the device. Computer viruses have been around since 1949.

It is important to have the best antivirus software for your computer as well as on your mobile. Protection ensures the safety of your computer and mobile smartphones. This is essential as we store a lot of important information on the computer as well as the mobile. Everyday, there is news about hackers and cyber criminals breaking into systems that were considered strong, such as banks and government offices.

A computer virus is a software program that might appear small but spreads like wildfire from one targeted computer to another. The virus later on stops the functioning of computers and even removes or damages all the important data. A computer virus sometimes uses an email program as well to spread the virus from one computer to another, and one click on the downloaded file can corrupt the entire system and your data.

When the question of computer protection arises, the variation seen in free antivirus programs is similar to that provided by the paid security programs. System users who are economical and are on the hunt to find antivirus programs that do not add up to their cost have a wide array of options to choose from such as AVG, Avira, and Comodo.

Our mobile phones are always vulnerable to mobile malware that can not only corrupt our data but also prove risky to our lives. For instance, if a personal photo of a girl has been taken by a hacker through an unrecognized photo app, then she could be blackmailed for money.