Last modified by Denisa Wernerová on 03.08.2023 12:55
From version 1.7
edited by vyv0010
on 27.04.2015 12:05
Change comment: There is no comment for this version
To version 3.1
edited by Denisa Wernerová
on 29.08.2017 12:42
Change comment: Renamed back-links.

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1 -XWiki.vyv0010
1 +XWiki.wer022
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1 -Risk of attack the computer can be reduced by following the basic points of prevention. (**[[Prevention - how to secure the computer>>pc.prevence]]**).
1 +Risk of attack the computer can be reduced by following the basic points of prevention. (**[[Prevention - how to secure the computer>>pc.bezpecnost.prevence.WebHome]]**).
2 2  
3 3  But if your computer will start to behave suspiciously (spontaneously popping browser windows, increased network activity, slowed system etc.), in case that you have been warned of detected suspicious network working from your computer or detected attact on other computers in the University network you have to do the cleaning of your computer or contact your [[faculty/unit manager>>http://innet.vsb.cz/cs/osobni-agenda/pomoc/fakultni-spravci/]].
4 4  
5 5  According to the owner of the computer:
6 6  
7 -**Private computer at home/dormitory**
7 +**Private computer at home/dormitory:**
8 8  
9 9  Update operating system and all installed aplications (mainly Adobe Flash player, Java, browser), antivirus and cleaning/virus removing. If you have troubles with cleaning, please, contact professional service.
10 10  
11 -If your access to the University network is denied (blocked) due to infection, contact your [[faculty/unit manager>>http://innet.vsb.cz/cs/osobni-agenda/pomoc/fakultni-spravci/]] or your authorized manager.
12 -
13 13  To regain your access to the University network tell us via HelpDesk workstation that you did cleaning, updating and securiting your computer. Unfortunately if your security will be low your access to the network will be prohibited again!
14 14  
13 +**Computer owned by University:**
15 15  
16 -(% colspan="2" %)Procedure for computer virus removing
15 +If your access to the University network is denied (blocked) due to infection, contact your [[faculty/unit manager>>url:http://innet.vsb.cz/cs/osobni-agenda/pomoc/fakultni-spravci/]] or your authorized manager.
17 17  
17 +
18 +**Procedure for computer virus removing:**
19 +
18 18  1. You surely do backups of your data. Before cleaning/virus removing backup your data once again.
19 19  1*. It can happen that system can't be fixed or system may be damaged during repairing so it will be necessary to reinstall the operating system.
20 20  1*. Your data can be encoded by malware and cannot be fixed. Antimalware tools (antiviruses) mostly solve the file repair by deleting it.
21 -1. Update your [[operating system>>pc.aktualizace]].
23 +1. Update your [[operating system>>pc.bezpecnost.aktualizace.WebHome]].
22 22  1*. Clean computer without updates can be attacked from network during a pretty short time (even to 20 minutes). Install operating system and the latest Service Pack without connection to network.
23 23  1*. Download the latest Service Pack in advance from [[Microsoft>>url:http://www.microsoft.com/downloads/]] web.
24 24  1. Update **!!!all installed software**!!!
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35 35  1. After cleaning your computer it is advised to change all your passwords (mail, ICQ, facebook, internet banking, etc.). It often happens during the attack on the system that your passwords gets stolen and subsequently abused.
36 36  1. Clean temporary files - Temporary Internet Files. Use e.g. program CCleaner which can clean even temporary files of common applications.
37 37  1. Check the installed plugins in web browser (Microsoft IE - Tools → Internet Options → Programs → Manage add-ons)
38 -1. Follow the security points according to [[Prevention - how to secure the computer>>pc.prevence]].
40 +1. Follow the security points according to [[Prevention - how to secure the computer>>pc.bezpecnost.prevence.WebHome]].