Measures taken

to protect a computer or computer

system (as on the Internet) against

unauthorized access or attack

Having or showing

realization, perception, or knowledge

A string of words

and characters that you type in to

authenticate yourself

The act or process of

discovering, finding, or noticing something

A usually small self-contained and self-replicating computer program that invades computers on a network and usually performs a destructive action

A weakness that can be

accidentally triggered or intentionally

exploited

A secure form of Hypertext Transfer

Protocol (HTTP) that is used to exchange

information between webpages or access

information found on a webpage

A scam by which an email user is duped into revealing personal or confidential information which the scammer can use illicitly

Software designed to interfere with a computer's normal functioning

A secret series of numbers or letters that allows you to use a computer system

An integrated collection of security measures designed to prevent unauthorized electronic access to a networked computer

An electronic communications network that connects computer networks and organizational computer facilities around the world

A set of administrative instructions for implementation of a policy or standard

The act of obtaining or attempting to obtain otherwise secure data by conning an individual into revealing secure information

Forms of electronic communication through which users create online communities to share information,

ideas, personal messages, and other

Email that is not wanted, email that is sent to large numbers of people and that consists mostly of

advertising

Computer software that secretly records information about the way you use your computer

A level of quality, achievement that is considered acceptable or desirable

A potential circumstance, entity or event capable of exploiting a vulnerability and causing harm

To change (something) by including the most recent information

A program that is designed to harm a computer by deleting data, ruining files, and that can be spread

secretly from one computer to another

A computer that is under the control of a malicious hacker without the knowledge of the computer owner

A hidden part of the internet that isn't indexed by search engines and requires special software like the Tor browser to access