Hi Raul, Still, a possibility still exists.... Perhaps I was thinking too much about CPP at that moment.... Thanks for clarifications though. Cheers, Joseph
-----Original Message----- From: Raul A. Gallegos [mailto:[email protected]] Sent: Tuesday, August 31, 2010 9:29 AM To: [email protected] Subject: Re: [GWN] Viruses ...And to keep the answer simple, No you cannot on the Braille Sense. I think that most users on the list prefer a more direct answer rather than the technical one which can leave more questions than the original one. *smile*. On 8/31/2010 3:13 AM, Joseph Lee wrote: > Hi, > > Yes - you've sent it twice. This allows me to explain the following: > > As followup to my message, it is not just cookies which we (the > programmers) use to "open up" a sysstem as our "playground" - the > biggest hole is programs themselves and how CPU treats data and > instructions. A CPU does not know what it is doing unless a program or > an operating system tells it what to do. Here's a textual diagram of how > a malware could take control of your Braille Sense: > > You download a media player that claims to play Real Media formats. You > install it and run it. While the program plays Real Video files, the > program loads a second module from itself, namely the malware program. > This module searches Flash Disk of your Braille Sense and finds files to > open and modify it with its code (called infecting). Then it closes the > file and finds other files to infect. If Windows CE's file manager > (filesys.exe) was smart enough to detect changes in modification > date/time of your files and if an anti-virus program is installed, the > operating system will warn you that there might be a virus running > around your braille Sense. These days, programmers are smart enough to > "fool" the operating system to believing that they are "normal" programs > - either by keeping the original modified date/time intact on infected > files, or frequently changing its code to a different variant (called > polymorphic code, which is hard to detect). Some advanced viruses > changes its code completely but still offers almost same algorithms > (this is called metamorphic code). As I said earlier, unless the malware > destroyed important blocks of ROM, you can "cure" your Braille Sense via > Hard Reset, if the above hypothetical scenario did happen. > > Now you know why experts in computer science are called "hackers". > > Cheers, > > Joseph > > > > *From:* Celeste Williams [mailto:[email protected]] > *Sent:* Tuesday, August 31, 2010 12:01 AM > *To:* [email protected] > *Subject:* [GWN] Viruses > > > > I hope I'm not sending this twice. I was having trouble sending email. > > > > I asked this question a while back. I asked if the GW notetakers could > get a virus and got the answer that not since they don't' support > cookies. Now that they do, could viruses be a problem? If so, what can > a person do to prevent the notetakers from getting a virus? > > > > Thanks. > > > > > > Celeste and Dealer > Have an awesome blessed day! > > > > > > If you wish to unsubscribe from this list, visit: > > > > http://www.gwmicro.com/listserv > > > If you wish to unsubscribe from this list, visit: > > http://www.gwmicro.com/listserv -- Raul A. Gallegos GW Micro Technical Support And Product Specialist Voice 260-489-3671, Fax 260-489-2608 Web http://www.gwmicro.com If you wish to unsubscribe from this list, visit: http://www.gwmicro.com/listserv If you wish to unsubscribe from this list, visit: http://www.gwmicro.com/listserv
