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2. Threat (computer security) - Wikipedia

   en.wikipedia.org/wiki/Threat_(computer_security)

   In computer security, a threat is a potential negative action or event enabled by a vulnerability that results in an unwanted impact to a computer system or application.. A threat can be either a negative "intentional" event (i.e. hacking: an individual cracker or a criminal organization) or an "accidental" negative event (e.g. the possibility of a computer malfunctioning, or the possibility ...

3. Internet security - Wikipedia

   en.wikipedia.org/wiki/Internet_security

   Internet security is a branch of computer security. It encompasses the Internet, browser security, web site security, [1] and network security as it applies to other applications or operating systems as a whole. Its objective is to establish rules and measures to use against attacks over the Internet. [2]

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. Malware - Wikipedia

   en.wikipedia.org/wiki/Malware

   The first IBM PC virus in the wild was a boot sector virus dubbed (c)Brain, created in 1986 by the Farooq Alvi brothers in Pakistan. [14] Malware distributors would trick the user into booting or running from an infected device or medium. For example, a virus could make an infected computer add autorunnable code to any USB stick plugged into it.

6. Watering hole attack - Wikipedia

   en.wikipedia.org/wiki/Watering_hole_attack

   CCleaner is a popular tool used to clean potentially unwanted files from Windows computers, widely used by security-minded users. The distributed installer binaries were signed with the developer's certificate making it likely that an attacker compromised the development or build environment and used this to insert malware.

7. Cyberattack - Wikipedia

   en.wikipedia.org/wiki/Cyberattack

   Formal risk assessment for compromise of highly complex and interconnected systems is impractical [21] and the related question of how much to spend on security is difficult to answer. [22] Because of the ever changing and uncertain nature of cyber-threats, risk assessment may produce scenarios that are costly or unaffordable to mitigate. [ 23 ]