Stopping spam with sending session verification
نویسندگان
چکیده
منابع مشابه
Stopping Spam by Extrusion Detection
End users are often unaware that their systems have been compromised and are being used to send bulk unsolicited email (spam). We show how automated processing of the email logs recorded on the “smarthost” provided by an ISP for their customer’s outgoing email can be used to detect this spam. The variability and obfuscation being employed by the spammers to avoid detection at the destination cr...
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Processing server logs for the email arriving at an ISP can be used to detect remote sites where machines are infected by email viruses or have been hijacked and used for sending spam. Simple heuristics distinguish the patterns of such traffic from those of legitimate email. Stopping this material being sent is matter for the remote site. Nevertheless, this paper shows that processing can also ...
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Web spam research has been hampered by a lack of statistically significant collections. In this paper, we perform the first large-scale characterization of web spam using content and HTTP session analysis techniques on the Webb Spam Corpus – a collection of about 350,000 web spam pages. Our content analysis results are consistent with the hypothesis that web spam pages are different from normal...
متن کاملVerification of MPI Programs Using Session Types
Developing safe, concurrent (and parallel) software systems is a hard task in multiple aspects, particularly the sharing of information and the synchronization among multiple participants of the system. In the message passing paradigm, this is achieved by sending and receiving messages among different participants, raising a number of verification problems. For instance, exchanging messages in ...
متن کاملBreaking Anti-Spam Systems with Parasitic Spam
The existance of networks of ‘bots’ raises the possibility of a new type of spam that breaks the current paradigm of spam defense, in which the defence acts purely as a filter. This spam, which we call parasitic spam, looks to a filter very much like spam with scraped text, but contains instead legitimate content going from a legitimate sender to a legitimate recipient. In this problem statemen...
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ژورنال
عنوان ژورنال: TURKISH JOURNAL OF ELECTRICAL ENGINEERING & COMPUTER SCIENCES
سال: 2013
ISSN: 1300-0632,1303-6203
DOI: 10.3906/elk-1112-55