longquiz

• What does malicious code include?

  Viruses, worms, Trojan horses, and bots
• What is drive-by downloads malware?


  Malware that comes with a downloaded file
• How do viruses spread?


  By replicating and copying themselves
• What is the primary function of worms malware?


  To spread from computer to computer
• What does ransomware do?


  Prevents access to files and demands payment
• What are Trojan horses?


  Benign programs that act unexpectedly
• What is a backdoor in malware?


  Access point for attackers in compromised systems
• What is a bot in terms of malicious code?


  A type of code covertly installed online
• What is a botnet?


  A collection of captured bot computers
• At what levels is malicious code a threat?

  Both client and server levels
• What are potentially unwanted programs (PUPs)?

  Programs that install themselves on computers
• What does adware do?

  Serves pop-up ads to users
• What are browser parasites?

  Programs that monitor and change browser settings
• What is spyware used for?

  To obtain user information like keystrokes
• What is phishing?

  Deceptive attempts to obtain confidential information
• What is social engineering?

  Exploitation of human gullibility to distribute malware
• Who are hackers?

  Individuals seeking unauthorized access to systems
• What do crackers denote?

  Hackers with criminal intent
• What is hacktivism?

  Cybervandalism for political purposes
• What are white hats?

  Good hackers who fix security flaws
• What are black hats?

  Hackers who intend to cause harm
• What are grey hats?

  Hackers pursuing a greater good by revealing flaws
• What is cybervandalism?

  Intentionally disrupting or destroying a site
• What is a data breach?

  Loss of control over information to outsiders
• What is credit card fraud?

  Theft of credit card data online
• What is identity fraud?

  Unauthorized use of another person's data
• What is spoofing?

  Hiding true identity using someone else's information
• What is pharming?

  Automatically redirecting a web link to a different address
• What is spam?

  Advertisements disguised as offers
• What is a Denial of Service (DOS) attack?

  Flooding a website with useless traffic
• What is a Distributed Denial of Service (DDOS) attack?

  Using multiple computers to attack a network
• What is a sniffer?

  An eavesdropping program monitoring network information
• What are email wiretaps?

  Methods for recording email traffic
• What is security?

  Quality of being free from danger
• What are the multiple layers of security an organization should have?

  • Physical security
  • Personnel security
  • Operations security
  • Communications security
  • Network security
  • Information security
• What is encryption?

  Transforming plain text into cipher text
• What is a key (cipher)?

  Method for transforming plain text to cipher text
• What is a substitution cipher?

  Replacing letters systematically with others
• What is a transposition cipher?

  Changing the order of letters systematically
• What is symmetric key encryption?

  Same key used for encryption and decryption