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  2. Find and remove unusual activity on your AOL account

    help.aol.com/articles/find-and-remove-unusual...

    Monitoring your recent login activity can help you find out if your account has been accessed by unauthorized users. Review your recent activity and revoke access to suspicious entries using the info below. Remove suspicious activity. From a desktop or mobile browser, sign in and visit the Recent activity page. Depending on how you access your ...

  3. Data breach - Wikipedia

    en.wikipedia.org/wiki/Data_breach

    A data breach, also known as data leakage, is "the unauthorized exposure, disclosure, or loss of personal information". [1]Attackers have a variety of motives, from financial gain to political activism, political repression, and espionage.

  4. Computer security - Wikipedia

    en.wikipedia.org/wiki/Computer_security

    An example of a physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that can lead to unauthorized information disclosure, theft or damage to hardware, software, or data ...

  5. Information security - Wikipedia

    en.wikipedia.org/wiki/Information_security

    Information security is the practice of protecting information by mitigating information risks. It is part of information risk management. [1] It typically involves preventing or reducing the probability of unauthorized or inappropriate access to data or the unlawful use, disclosure, disruption, deletion, corruption, modification, inspection, recording, or devaluation of information.

  6. Data theft - Wikipedia

    en.wikipedia.org/wiki/Data_theft

    Data theft is the unauthorized duplication or deletion of an organization's electronic information. Data theft is a growing phenomenon primarily caused by system administrators and office workers with access to technology such as database servers , desktop computers and a growing list of hand-held devices capable of storing digital information ...

  7. Cyberattack - Wikipedia

    en.wikipedia.org/wiki/Cyberattack

    A cyberattack can be defined as any attempt by an individual or organization "using one or more computers and computer systems to steal, expose, change, disable or eliminate information, or to breach computer information systems, computer networks, and computer infrastructures". [1]

  8. Cybercrime - Wikipedia

    en.wikipedia.org/wiki/Cybercrime

    Cybercrime encompasses a wide range of criminal activities that are carried out using digital devices and/or networks.These crimes involve the use of technology to commit fraud, identity theft, data breaches, computer viruses, scams, and expanded upon in other malicious acts.

  9. Data diddling - Wikipedia

    en.wikipedia.org/wiki/Data_diddling

    Data diddling is a type of cybercrime in which data is altered as it is entered into a computer system, [1] most often by a data entry clerk or a computer virus. [2] ...