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