Chapter 4 Flashcards
(40 cards)
what is social engineering
- manipulation technique that exploits human error to get private information
- tend to lure unsuspecting users into exposing data, spreading malware infections, or giving access to restricted systems
- built around how people think and act. (Once an attacker understands what motivates a user’s actions, they can deceive and manipulate the user effectively.)
phishing
spam/mass
spear (personalized info, target high value
Caution w links
Sender?
Link legit?
pharming
Obtain personal info
Infect legit web w malicious code, redirect to bogus
Web address?
Secure ssl, https
Smishing
Sms phishing
- phone no. or link
Vishing
Alerting the victim to an issue w their account or
Advising the victim of a profitable gain
Malware: Trojan horse
- malicious comp program
- disguise it self as diff application
- act similar to comp virus
worm
- small comp program
- find security hole, replicate itself
- in piece of software or OS
- make things slow
Adware
- ad supported software
- software program used to display, ads, target users by analyzing the web
- bundled w legit software
- hard to delete
Malicious bot
- automated
- carry out completely, repetitive tasks
- spam bots
- zombie bots
- bot network
- chatter bot
How to avoid malware
- Only open legit programs/ emails/ messages
- install firewall (monitor internet traffic )
- antivirus
Rootkit
- comp program
- gain admin access to victims computer
- installed because password is cracked
- stop comp from recognizing rootkit
- victim will not know that someone else has complete Access
Ransomware
- restricts users access to files / comp system
- demand a ransom be paid in order to access comp system
- files either gone or encrypted
- enter similar to Trojan horse
- Falsely claim that the system had been used for illegal activities
repetitive strain injury
- repetitive movements
- need good posture
What is a hacker?
A hacker is someone who tries to gain unauthorized access to your computer with the intention of corrupting or stealing data
What is spamming?
Sending bulk emails such as adverts for products. A large proportion of bandwidth is used so time is wasted opening and reading such emails
What is Phishing?
Sending emails that appear to be from a reliable source. Users will often be asked to update their info and this info will then be used by hackers.
What is malware?
Malicious software that is downloaded onto a computer unintentionally by a user
Name 3 types of malware?
- Trojan horses
- worms
- spyware
What is a virus?
A program which is designed to damage a computer system
How can you protect yourself from viruses?
Installing an antivirus program that will regularly scan your computer for threats.
What is a trojan horse?
It gains entry into a user’s computer ‘ in disguise’ . Once installed some can do major damage like deleting files or displaying annoying pop-ups.
What is a worm?
A worm spreads around from computer to computer in a network. It does this by replicating itself.
What are the problems with worm viruses?
Worms require bandwidth which results in slower data transmission speeds
What is a key logger?
It records a user’s keystrokes. The user is unaware that this is happening. it is used to steal personal info from the user (also used by employers to monitor employees’ activities)
