TAILIEUCHUNG - National Cyber Security Strategies Practical Guide on Development and Execution

So far our description is similar to how a facility for locating the address (in- stead of certificate), for a certain machine or person on the Internet, would work. The facility that implements this in today’s world is called the Domain Name Sys- tem (DNS). Our description also resembles the directory service , and its more successful Internet protocol implementation which is called the Lightweight Directory Access Protocol (LDAP). This thesis compare the Domain Name System and the Lightweight Directory Access Protocol for use as a certificate lookup service. In particular we focus on the application of secure electronic mail, used to send messages between persons using the Internet | enisa European Network jr and Information Security Agency National Cyber Security Strategies Practical Guide on Development and Execution December 2012 H National Cyber Security Strategies Practical Guide on Development and Execution . enisa European Network ỷt -k and Information Security Agency About ENISA The European Network and Information Security Agency ENISA is a centre of network and information security expertise for the EU its Member States the private sector and Europe s citizens. ENISA works with these groups to develop advice and recommendations on good practice in information security. It assists EU Member States in implementing relevant EU legislation and works to improve the resilience of Europe s critical information infrastructure and networks. ENISA seeks to enhance existing expertise in EU Member States by supporting the development of cross-border communities committed to improving network and information security throughout the EU. More information about ENISA and its work can be found at Follow us on Facebook Twitter LinkedIn Youtube and RSS feeds ENISA project team Nicole FALESSI Resilience and CIIP Unit ENISA Razvan GAVRILA Resilience and CIIP Unit ENISA Maj Ritter KLEJNSTRUP Resilience and CIIP Unit ENISA Konstantinos MOULINOS Resilience and CIIP Unit ENISA Contact details For questions related to this report or any other general inquiries about the resilience programme please use the following contact address resilience at Legal notice Please note that this publication represents the views and interpretations of the authors and editors unless stated otherwise. This publication should not be construed to be a legal action of ENISA or the ENISA bodies unless adopted pursuant to the ENISA Regulation EC No. 460 2004 as lastly amended by Regulation EU No. 580 2011. This publication does not necessarily represent the state-of-the-art and ENISA may update it from time to time. Third-party sources are quoted as

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