vocab 4

First computer virus

Creeper virus

Who created the first virus

Bob Thomas

First antivirus program

Reaper

First malicious virus

Elk Cloner

Who created the first Malicious virus

Richard serenata

What did the elk clover virus target

Apple II computers and displayed a poem when the infected floppy disk was booted

Which virus was more of a prank

Elk cloner virus

First pc virus

The brain virus

Who created the brain virus

Basit Farooq Alvi & Amjad Farooq Alvi

what did the brain virus affect

The boot sector of the floppy disks making it a pioneer in disk boot sector viruses

Proliferation

Significant increases of computer viruses and malware and the emergence of antivirus softwares

Example of antivirus softwares

McAfee, Norton, AVG, Avira and Panda

Advanced threats

More sophisticated viruses and State-sponsored cyberattacks and organized crime groups

WannaCry(2017)

Encrypted 200,000 computers across 150 countries and targeted Microsoft Windows

NotPetya 2017

Disguised as ransomware but was designed for destruction 10 billion in damages

CryptoLocker(2013-2014)

Infected over 500,000 computers

First ransomware strains to use cryptography

CryptoLocker

SamSam (2016-2018)

Infected government agencies, healthcare facilities, and university and demanded in BITCOIN

Black cat (2021)

Affiliated with BlackMatter ransomware uses TRIPLE EXTORTION tactics

Well known computer viruses

ILOVEYOU, Melissa, Stuxnet

ILOVEYOU

Overwriting files on infected computers

Mellissa

Spread via infected word documents sent through email and overwhelmed email servers

Stuxnet

Targeted industrial control systems like those used in nuclear power plants and designed to sabotage Iran’s nuclear program

Viruses

Malware that replicates by infecting other files and spreading when the infected file is shared or opened on a new system

Worms

Malware that spreads and replicates by itself over networks without needing a host file or program

Spyware

Software that covertly gathers data and information about a user

Adware

Malware that displayed ads or redirects user traffic to ad sites

Back doors

Malicious programs that allow remote access to a system, bypassing security mechanisms

Why do we use functions

Break down our program into smaller parts, avoid repeating code, make our program more readable

What is a code comment

A way to give notes to the reader to explain what your code is doing

What commands do super karel know

turnAround and turnRight

Best way for Mateo to move ten times

for (var i = 0; i < 10; i++) {

Move();

}

Why do we use if statements in JavaScript

To do something only if a condition is true

Why do we use if/else statements in Java script

To either do something of a condition is true or do something else

Why do we use while loops in JavaScript

To repeat some code while a condition is true