Differentiate security attack from security threat. How virus affects computer?

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Suresh Chand · Accepted Answer

The threat is a possible security condition/violation to exploit the vulnerability of a system/asset. A threat can arise from any condition for example, accident, fire incident, environmental like natural disaster, human negligence. The following are various types of threats.InterruptionInterceptionFabricationModificationAttackThe attack is an intended unauthorized action on a system/asset. An attack always has a motivation to misuse system and generally wait for an opportunity to occur.The following are some of the important differences between Threat and Attack.Sr. No.KeyThreatAttack1IntentionalThreats can be intentional like human negligence/failure or unintentional like natural disaster.The attack is a deliberate action. An attacker have a motive and plan the attack accordingly.2MaliciousThe threat may or may not malicious.The attack is always malicious.3DefinitionThe threat by definition is a condition/circumstance which can cause damage to the system/asset.Attack by definition, is an intended action to cause damage to system/asset.4Chance for DamageChance to damage or information alteration varies from low to very high.The chance to damage or information alternation is very high.5DetectionA threat is difficult to detect.An attack is comparatively easy to detect.6PreventionA threat can be prevented by controlling the vulnerabilities.An attack cannot be prevented by merely controlling the vulnerabilities. Other measures like backup, detect and act etc are required to handle a cyber-attack.Computer virus is similar to a biological virus. It does not activate on its own in any device however, it needs help of some source to get activated.For instance, if you download any important software or game from the internet, the virus sticks to the software. It remains inactive till the time the software is not run by you on your device. The time when you double click and run the downloaded software, the virus also gets activated. In other words, virus is wriiten into a program by the attacker and some condition is set for the virus to run. Once the program starts to run on some machine and when the condition set meets or comes True, the virus becomes active.A computer virus can infect your machine just like common cold (a biological virus) affects your body. It can disrupt the proper functioning of your machine by stopping important services of the machine.In general, it always depends on the type of virus to get information of its effects.

Differentiate security attack from security threat. How virus affects computer?

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Differentiate security attack from security threat. How virus affects computer?

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