Title :
Efficient directory harvest attacks
Author_Institution :
Dept. of Telecommun., Budapest Univ. of Technol. & Econ.
Abstract :
In this paper the e-mail directory harvest attacks (DHA) are investigated. We elaborated a method for optimizing the wordlist size used by the attacker in a resource limited environment. We analyzed the results and proved that our method is optimal. We also present an efficient countermeasure against DHA
Keywords :
authorisation; computer crime; message authentication; unsolicited e-mail; dictionary attack; e-mail directory harvest attack; online brute-force attack; wordlist size optimization method; Computer crime; Dictionaries; Electronic mail; Environmental economics; Humans; Laboratories; Optimization methods; Protection; Prototypes; Security;
Conference_Titel :
Collaborative Technologies and Systems, 2005. Proceedings of the 2005 International Symposium on
Conference_Location :
St Louis, MO
Print_ISBN :
0-7695-2387-0
DOI :
10.1109/ISCST.2005.1553295