What are the 3 types of computer viruses?
The Three Major Types of Computer Viruses
- Macro viruses – These are the largest of the three virus types.
- Boot record infectors – These viruses are known also as boot viruses or system viruses.
- File infectors – These viruses target .
How malicious attacks affect IT infrastructure?
The aftermath of malicious attacks and natural disasters induces frequent infrastructure failures and an increase in network congestion. Whenever a BS encounters an infrastructure failure, it can not provide connections to incoming RTS or NRTS calls.
Which definition best describes a computer virus?
Definition: A computer virus is a malicious software program loaded onto a user’s computer without the user’s knowledge and performs malicious actions. Description: The term ‘computer virus’ was first formally defined by Fred Cohen in 1983. Computer viruses never occur naturally. They are always induced by people.
What are malicious attacks?
A malicious attack is an attempt to forcefully abuse or take advantage of someone’s computer, whether through computer viruses, social engineering, phishing, or other types of social engineering.
What is the definition of a computer virus?
Computer virus, a portion of a program code that has been designed to furtively copy itself into other such codes or computer files. It is usually created by a prankster or vandal to effect a nonutilitarian result or to destroy data and program code.
What is the definition of an IT infrastructure?
Information technology (IT) infrastructure are the components required to operate and manage enterprise IT environments. IT infrastructure can be deployed within a cloud computing system, or within an organization’s own facilities.
What does hardware and software mean in IT infrastructure?
Hardware includes servers, datacenters, personal computers, routers, switches, and other equipment. The facilities that house, cool, and power a datacenter could also be included as part of the infrastructure. Software refers to the applications used by the business, such as web servers, content management systems, and the OS—like Linux ®.
What happens when you run a virus on your computer?
Once a virus has successfully attached to a program, file, or document, the virus will lie dormant until circumstances cause the computer or device to execute its code. In order for a virus to infect your computer, you have to run the infected program, which in turn causes the virus code to be executed.