Human errors:
Humans often are not good at assessing their own information
Human emotions affect performance; people get frustrated
Human perceptions are slower than the equipment
Information overload may also be a problem
Procedural errors:
When people fail to follow established procedures, errors can occur
Software errors:
Software bug: an error in a program that causes it not to work properly
“Dirty data” problems:
Incomplete, outdated, or otherwise
inaccurate data
Electromechanical problems:
Mechanical systems can wear out or become damaged
They can also be badly designed or constructed
Power failures and surges can damage equipment
Natural hazards : can lead to disasters
Computer Crimes
Two types of computer crime:
Illegal act perpetrated against computers or telecommunications (computer is the target)
Use of computers or telecommunications to accomplish an illegal act (computer is the tool)
Computer Crimes :
Theft of hardware
Theft of software
Theft of intellectual property (piracy)
Theft of time and services
Theft of information (e.g., medical info, credit card info)
Internet-related fraud (e.g., Wi-Fi phishing, or evil twin attack)
Crimes of malice: crashing entire systems
Attacks on power-control systems and attacks on the Internet