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system attacks and threats (malware (viruses and worms (computer viruses…
system attacks and threats
hacking
the UK experiences 375 cyber attacks every hour
1 in 5 UK citizens have experienced a cyber attack
what is a hacker
a hacker is a person who gets access to a computer without permission.
they can damage, delete and take files.
reasons for attacking systems
financial gain
ransoms can be made to prevent attacks
ransomwares can encrypt a website until their paid.
fun/challenge
hacking systems can be seen as fun and a challenge
the hackers get a sense of achievements.
disruption
attacks can cause a denial of service
viruses can slow computers and delete files.
reasons for attacking systems
personal attack
employees that are unhappy may attack the company
family/friends may attack each other if unhappy
information/data theft
credit card and financial info are stolen for financial gain
company info may be stolen
industrial espionage
the aim is to find intellectual property such as blueprints and designs for business strategies.
malware
the term comes from the words malicious and software
malwares are executable programs that run on a computer and slow the systems and delete/corrupt files.
viruses and worms
computer viruses
they infect other computers
they delete or modify files
they replicate their code in other programs
worms
they slow down the system
they might cause no damage to the computer
trojan horses
they have a program or game file that is cracked that the user wants
they have negative files that damage the compute, delete files or take over
ransom ware
holding a computer hostage by encrypting it and not undoing it until you're paid
spyware
allows users to spy on a computer without permission
spyware is often delivered via. trojan horse