Thursday, September 20, 2018

CHAPTER 5

CHAPTER 5 : DIGITAL  SAFETY AND SECURITY
Computer crime
· Any illegal act involving the use of a device
Cybercrime
· An online or Internet-based illegal act
Digital security risk
· Action that cause a damage to the any device hardware, software and information
Security risk
Explanation
1. Internet and network attacks
· Malware is a programs that act without a user’s knowledge and deliberately alter the operations of devices
· Type of malware
§ Virus
§ Trojan horse
§ Adware
§ Spyware
· A firewall act as protections to a network’s resources from intrusion

2. Unauthorized access and use

· Unauthorized access  use of network without permission
· Unauthorized use  use of data for unapproved or illegal activities
3. Software theft
· Steals software media
· Intentionally erases programs
· Illegally registers and activates a program
· Illegally copies a program

4. Information theft
· Occurs when someone steals personal or confidential information
· Encryption   Process of converting data that is readable by humans into encoded characters to prevent unauthorized access 
· Digital signature  An encrypted code that organization attaches to an electronic message to verify the identity of the sender
§ Often used to ensure that an impostor is not participating in an Internet transaction
· A digital certificate  A notice that guarantees a user or a website is legitimate
·  A secure site  Website that uses encryption techniques to secure its data

 
5. Hardware Theft, Vandalism, and Failure
· Hardware theft   the act of stealing digital equipment 
· Hardware vandalism  the act of defacing or destroying digital equipment 
· Security measure help to reduce the chance of theft

 




Backing Up – The Ultimate Safeguard
· Back up  The duplicate of file that can be used when original lost
·  Type of back up
§ Full back up
§ Differential back up
§ Incremental back up
§ Selective back up
Ethics and Society
· Computer ethics  Moral guidelines that govern the use of devices and information systems
· A code of conduct  Written guideline that helps determine whether a specification is ethical/unethical or allowed/not allowed
· Green computing involves reducing the electricity and environmental waste while using devices, and related technologies 

 
· Content filtering
· Web filtering software

Information Privacy
· The right of individuals and companies to deny or restrict the collection and use of information about them
 
· Our information can be stored in database

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