Question

What is it called when a malicious program obtains access to an otherwise inaccessible functionality?

Answer 1

It is called as a malicious software or malware when a malicious program obtains access to an otherwise inaccessible functionality

The words “Malicious Software” laso called as “Malware” and the meaning remains the same.

• Malicious Software refers to any malicious program that causes harm to a computer system or network.
• Malicious Malware Software attacks a computer or network in the form of viruses, worms, trojans, spyware, adware or rootkits.
• Their mission is often targeted at accomplishing unlawful tasks such as robbing protected data, deleting confidential documents or add software without the user consent.

Different Types of Malicious Software

Computer Virus

• A computer virus is a malicious software which self-replicates and attaches itself to other files/programs.
• It is capable of executing secretly when the host program/file is activated. The different types of Computer virus are Memory-Resident Virus, Program File Virus, Boot Sector Virus, Stealth Virus, Macro Virus, and Email Virus.

Worms

• A worm is a malicious software which similar to that of a computer virus is a self-replicating program, however, in the case of worms, it automatically executes itself.
• Worms spread over a network and are capable of launching a cumbersome and destructive attack within a short period.

Trojan Horses

• Unlike a computer virus or a worm – the trojan horse is a non-replicating program that appears legitimate.
• After gaining the trust, it secretly performs malicious and illicit activities when executed.
• Hackers make use of trojan horses to steal a user’s password information, destroy data or programs on the hard disk. It is hard to detect

Spyware/Adware

• Spyware secretly records information about a user and forwards it to third parties.
• The information gathered may cover files accessed on the computer, a user’s online activities or even user’s keystrokes.