What is Exploit, Vulnerability, Zero-Day Attack and Daisy Chaining

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Exploit, Vulnerability, Zero-Day attack, Daisy Chaining are common terms among information security professionals. Many average techy people often confuse among them. Let’s explore what does it mean by exactly.

Exploit :

It is a defined way to breach the security of a System through vulnerability. In simple words, it is a way break an application through a weakness or loop hole and use it in a way you want.

Vulnerability :

It is an existence of a weakness, design or implementation error that can lead to an unexpected and undesirable event compromising the security of a system.

Zero-Day Attack :

An attack that exploits vulnerability of an application before it is publicly available and the developer releases a patch for that. We have read news of many zero day bugs in Java, Adobe etc few months back.

Daisy Chaining :

Hackers who get away with database theft usually complete their task, then backtrack to cover their tracks by destroying logs etc. It is like a thief who steals some valuable thing and destroys all the signs of  his tracks.


Well hope, next time you use the right words what you mean to say exactly.


Believes strongly in "Love what you do and Do ONLY what you love" :). Simple & Straight. Will bend whenever required. Thinks everything in technology, with technology and in most cases only Technology.. :p Laziest guy, one could ever find. If he is not sitting in front of his computer, then he must be riding on his bike, of course, not both at the same time. :p Know more about Pavan

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