| Sophos. Sophos Anti-Virus, 2002. http://www.sophos.com/products/software/antivirus/. |
....use either of two virus checking mechanisms. The first is a simple table lookup, in which the MD5 hash is compared to a list of known malicious attachments. This check is time and space efficient, but it will only identify non mutating e mail viruses. The second is the Sophos Anti Virus library [36]. This library uses modern scanning algorithms, with regular updates, to identify the wide variety of known viruses and even some virus like signatures. 15 Configuration Per message latency No scanner 22.4 ms Null scanner 67.0 ms Scanner w MD5 107.1 ms Scanner w Sophos 109.9 ms Table 3: ....
Sophos. Sophos Anti-Virus, 2002. http://www.sophos.com/products/software/antivirus/.
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