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Denial-of-service attacks are a type of cyber-attack which consists on reducing or cancelling altogether the capacity of servers or other computing resources to provide service. A denial-of-service attack can occur in different scenarios, such as overloading online services by mass request sending or exploiting vulnerabilities of programs or services in order to suspend function totally or partially. In most of such attacks, attackers use a wide range of techniques and tools to hide their identities, which makes it especially challenging to find the culprits.

The well known motto "there is strength in numbers" perfectly describes the beneficial situation that involves collaboration and knowledge sharing on cyber threats. The concept of Information Sharing bring to us the idea of ​​establishing methods to share and take full benefit of the gathered knowledge among all actors. Among these partners, CERT and security companies play a key role in defining consensus documentation and the pathway for sharing knowledge effectively.

Various studies have indicated that bots currently constitute over half of all global Internet traffic. Certain reports, such as "The 2015 Bad Bot Landscape Report" released by Distil Networks, Inc, even divide traffic into legitimate and malicious traffic, concluding that the latter is growing at an alarming rate. The boom that Cloud Computing has experienced in recent times has been one of...

In the world of information technology, achieving a status of total security is a goal that is practically impossible. In particular, one of the most persistently sought objectives is to find authentication and identification methods that come close to this total security utopia. Can biometrics bring progress in this issue?