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Abstract: In the last years the amount of information being transmitted through communication networks has increased, and this has lead to an increased use of security protocols. The implementations of security protocols do not accurately follow the standards and this causes many malfunctions and security flaws. In this paper we will analyze the different approaches followed by the scientific community to evaluate security protocols'' implementations, and will also analyze the special characteristics of security protocols, in order to deduce which are the key points for such an evaluation, how they can be evaluated and also if existing evaluation techniques can be used. [Copyright &y& Elsevier]

Focuses on the use of web search engines for computer security. Accounts on the threat of search engines; Use of search engines by hackers; Ways of protecting the system against hackers attack; Localization of confidential files in the computer.