An important task for the network monitoring solution is to check existing security systems, such as firewalls and virus scanners
, for operational reliability.
--Medical image files can be damaged because the virus scanner
attempts to fix what it falsely identified as a virus;
While these improvements significantly improved the speed of the virus scanner
, even more optimizations were possible.
I then made up several virus scanner
disks with McAfee's latest (Version 84 as of this writing) and asked every employee who had a computer at home to run the program there.
Bitrix recommends that users update their virus scanners
and check their computers against this malicious program.
The plan also emphasised setting virus scanners
at checkpoints and distributing health guides.
Ordinary users would do well to patch their operating system clients to prevent viruses and worms from reproducing through security 'holes' which prudence (and most virus scanners
) are prevent.
The white paper proposes that to detect Trojans, one must use a multi-level strategy and deploy multiple virus scanners
at the gateway, which would increase the percentage of known Trojans caught; and use content security with executable analysis to detect potentially malicious executables, analyse what they might do and prevent unknown Trojans from entering the network.
The table below gives a closer view of the compression area (where virus scanners
tend to differ greatly in performance): ACE ARJ CAB LHA RAR ZIP UPX ASPack SFX McAfee No No Yes Yes No Yes No No 1/6 Norman No Yes No No No Yes No No 0 BitDefender Yes Yes Yes Yes Yes Yes Yes Yes 1/6
``Traditional, reactive virus scanners
are no longer enough.
The second virus this year to bear romantic connotations, following the Love Bug last May, Romeo & Juliet is particularly dangerous because current virus scanners
cannot detect it.