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
Internet and network attacks	Malware is a programs that act without a user’s knowledge and deliberately alter the operations of device Type of malware §  Virus §  Trojan horse §  Adware §  Spyware  A firewall act as protections to a network’s resources from intrusion
Unauthorized access and use	Unauthorized access ─ use of network without permission Unauthorized use ─ use of data for unapproved or illegal activities
Software theft	·  Steals software media      · Intentionally erases programs      · Illegally registers and activates a program      ·  Illegally copies a program
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
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