Cyber Threats

Cyber Threats


 

Malware :



Malware, short for malicious software, is a blanket term for viruses, worms, trojans and other harmful computer programs hackers use to wreak destruction and gain access to sensitive information.

Viruses :

Malicious  cod ethat runs on machine without the user's knowledge and infects the computer when executed. 

Virus require a user action in order to reproduce and spread.

 

 

 

> Boot sector : -  

 Boot sector virus are stored in the first sector of a hard drive and are loaded into the memory upon boot up.

>Macro :- 

Virus embeded into a document and is executed when the document is opened by the user. 

>Program :-

Program virus infect an executable or applcation

>Multipartite :-

Virus that combines boot and program viruses to first attach itself to the boot sector and system files before attacking other files on the computer.

>Polymorphic :-

Advanced version of an encrypted virus that changes itself every time it is executed by altering the decryption module to avoid detection.

>Matamorphic :-

Virus that is able to rewrite itself entirely before it attempts to infect a file.

>Armored :-

Armored viruses have a layer of protection to confuse a program or person analysing it.

>Hoax :-

A computer virus hoax is a message warning the recipients of a non-existent computer virus threat.

Worm :

A worm virus is a malicious, self-replicating program that can spread throughout a network without human assistance.

Rensomware : 

Ransomware is a type of malware from cryptovirology that threatens to publish the victim's data or perpetually block access to it unless a ransom is paid.

Trojans :

A Trojan horse  (or simply trojan)  is any malware which misleads users of its true intent. 

 

 Spyware :

Spyware is a kind of malware that secretly gathers information about a person or organization and relays this data to other parties.

 

 

 

 

 

 Adware :

Adware is unwanted software designed to throw advertisements up on your screen, most often within a web browser.

 

 

 

 

 

 

Rootkit : 

A rootkit is a clandestine computer program designed to provide continued privileged access to a computer while actively hiding its presence. 

 

 

 

 

 

Spam :

Spam is digital junk mail: unsolicited communications sent in bulk over the internet or through any electronic messaging system.






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