Chapter 5 Security Risks
Digital Security Risks
Ø digital security risk is any event or action that could cause a loss of or damage to a computer or mobile device hardware, software, data, information,processing capability
Ø cybercrime is an online or Internet-based illegal act
Hackers
1.Break the computer system with ethics to test the weakness of the system.
2. Do not damage the system or destroy data.
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Crackers
1. Deliberately breaks the system to bring damage and sabotage elements.
2. Unethical.
3. Aggressive and dangerous
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1. Malware, short for malicious software, consists of programs that act without a user’s knowledge and deliberately alter the operations of computers and mobile devices
2. firewall is hardware and/or software that protects a network’s resources from intrusion
Unauthorized access is the use of a computer or network without permission
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Unauthorized use is the use of a computer or its data for unapproved or possibly illegal activities
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For Protection
1) User name
2) Password
3) Passphrase
4) CAPTCHA
Ø possessed object is any item that you must carry to gain access to a computer or computer facility
Ø A biometric device authenticates a person identity by translating a personal characteristic into a digital code that is compared with a digital code in a computer
1. Fingerprint reader
2. Face recognition system
3. Hand geometry system
4. Voice verification system
5. Iris recognition system
Ø Digital forensics is the discovery, collection, and analysis of evidence found on computers and networks
A digital signature is an encrypted code that a person, website, or organization attaches to an electronic message to verify the identity of the sender
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A digital certificate is a notice that guarantees a user or a website is legitimate
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Ø Software theft occurs when someone steals software media,Intentionally erases programs
,Illegally registers and/or activates a program and ,Illegally copies a program
Ø Information theft occurs when someone steals personal or confidential information
Hardware theft is the act of stealing digital equipment
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Hardware vandalism is the act of defacing or destroying digital equipment
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Backing Up
backup is a duplicate of a file, program, or media that can be used if the original is lost, damaged, or destroyed
Computer ethics are the moral guidelines that govern the use of computers, mobile devices, and information systems
Ø Intellectual property refers to unique and original works such as ideas, inventions, art, writings, processes, company and product names, and logos
Ø A copyright protects any tangible form of expression
Phishing is a scam in which a perpetrator sends an official looking email message that attempts to obtain your personal and/or financial information
Ø Content filtering is the process of restricting access to certain material on the Web
Ø Web filtering software restricts access to specified websites
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