Security in terms of "computer security", such as protection of information, protection from theft or data destruction.

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1answer
532 views

What websites support two factor authentication? [closed]

Is there a central listing of websites that support two factor authentication, and which two-factor methods they support?
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2answers
649 views

How to secure the SSH access in ubuntu server.

I just installed Ubuntu Server on one of my computers. I use a Netgear router and it helped me to create a DynDNS account. I have a host name for my dynamic IP address and I have forwarded the ports ...
0
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1answer
273 views

Shell scripting download and upload backed up files

I have gDisk, I don't know if you have ever used it, it allows you to turn your GMail to a hard disk and host any file on it, I have many GMails that I don't use and I can create many others. To use ...
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0answers
251 views

Is Abine TACO comparable to NoScript addon in Firefox?

As someone who is trying to be security conscious on the web, I've setup Firefox to use the Tor network and NoScript, among other plugins. However, I've found NoScript to be such a pain since I have ...
1
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1answer
136 views

Viewing hd location of installed certificates in firefox

I recently installed a digital id/certificate from verisign and was wondering if there is a way to view the certificate location on my computer. I installed it according to their instructions through ...
1
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0answers
56 views

Are SD flash memory cards “secure”?

Regarding SD flash memory cards, SD stands for Secure Digital. Do SD cards or any of its variants (SDHC, SDXC) have any particular security features compared to other types of flash memory cards such ...
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3answers
5k views

Security Warning: The Server you are connected to is using a security certificate that cannot be verified. The Target principal name is incorrect

I'm trying to get my mails using Outlook 2007 and POP3 using SSL but I get this security warning every time I try to receive mails: The Server you are connected to is using a security certificate ...
2
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1answer
283 views

If an old LUKS header with a compromised key is recovered, can it be used to read data?

From what I understand, even when data is overwritten on disk there is a possibility of it being recovered. From what I also understand, replacing/deleting a LUKS key is fast/trivial and does not lead ...
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2answers
4k views

How do I check if a user connected an external hard drive?

I originally came across this from a Citadel LLC complaint against a former employee. Text of complaint: http://www.scribd.com/doc/63606232/Citadel-vs-Yihao-Ben-Pu From the filing: "Forensic ...
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0answers
911 views

How to know your built-in webcam specification and functionalities (security related)?

I've made series of pentests in my network and one of the things I've tried was record webcam and microphone. Recording microphone seems for final users a stealth thing. But what about the webcam? In ...
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3answers
18k views

What is a kernel intrusion on my router?

I get a lot of "kernel intrusion" messages in my router's error log. Each one always shows the source IP, the destination IP (mine) and other details of the TCP connection. My Internet link has been ...
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2answers
587 views

Different permissions when navigating to a remote server folder via UNC path w/ Explorer than when I remote in via Remote Desktop?

Here at work, we connect to remote servers when we need to deploy our production code. I often use Windows Explorer to navigate to a server folder directly via UNC path to delete, rename, or copy ...
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2answers
4k views

How can I secure an Ethernet-over-power network?

I just bought myself an Ethernet-over-power adapter, and plugged it in. It seems to be working great, but now I'm concerned that my neighbours may be able to access my network. I live in a rowhome ...
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0answers
386 views

Can I bypass the Cisco ASA portal?

Does anyone know how to bypass the Cisco ASA portal page (clientless SSL VPN), so I can access some internal machine directly from outside using a certain group policy? (or otherwise, be creative) ...
2
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1answer
571 views

Ubuntu - file permissions getting changed automatically

I want to be able to update a certain svn working copy remotely through php. For that, I have given www-data user write permission to the .svn folder (It is owned by someuser:www-data, and I have set ...
2
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1answer
84 views

Password protecting individual files

Im wondering what is the best way to password protect individual files or folders? I am working with peoples personal details and need to secure the currently unprotected files. I was thinking of ...
4
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1answer
607 views

Is MySQL login via the -p switch insecure?

I want to login to a MySQL database from a shell. Normally I use mysql -p But I just noticed the following in the the MySQL help: -p, --password[=name] Password to use ...
2
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1answer
303 views

How to safely zero fill a file in a compressed filesystem in Linux?

I had read that the shred doesn't safely work for compressed filesystems when shredding a file, how this can be accomplished in a compressed fs ?
5
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4answers
391 views

IT staff at school asking for passwords [closed]

I noticed last time I was at the IT office at my school that they asked for student's passwords. I think the student was either having the operating system re-installed, or the keyboard replaced, I ...
3
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2answers
755 views

My Mac trying to connect to a possible intruder's machine, that is not in the network anymore

I just asked a question I think someone else has access to my wireless network. What next?. I have changed wireless security to WPA2, changed the password, disabled file sharing etc as =suggested in ...
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3answers
1k views

I think someone else has access to my wireless network. What next?

I kust realized that some other PC is also getting assigned a IP address (DHCP Lease) from my modem. I am sure this is not one of the PCs in my home. My modem was using WEP security. I know WEP is ...
0
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1answer
177 views

Vista won't let me save a backup of applicationHost.config

I am trying to make some changes in the applicationHost.config file on Windows Vista, and an important step is to back the file up in case I screw it up. Well, it won't let me save a copy in the ...
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2answers
1k views

How to make stunnel reload certificate files without restarting it?

I have a server with stunnel, to which clients connect. Each client has it's own self-signed certificate, and copy of that certificate lies in CApath directory on the server - so I am in control of ...
2
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1answer
32k views

How do I disable the “Security Certificate Error” message in Internet Explorer?

How do I get rid of this annoying message? To help protect your security, Internet Explorer has blocked this website from displaying content with security certificate errors. Click here for ...
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2answers
5k views

How to disable disclosing a computer name to a network?

I don't use (I've disabled it by normal means and blocked the ports with personal a firewall) Windows Networking (CIFS aka NetBIOS aka SMB etc), but my PC has a name as it seems to be mandatory in ...
3
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1answer
2k views

Windows XP - Forced to login as Guest when accessing a computer through Windows Explorer

In Windows XP, when I attempt to connect to one of my co-workers computers to share files, I get the following screen: I cannot enter a username, because the username text box is disabled; I can ...
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4answers
618 views

How to shred already removed file on modern filesystem? (randomize free space, journal, tails, … securely)

Consider the following: mount | grep home ... type reiserfs ... rm -Rf /home/user/over_9000_little_and_big_super_secret_files/ # oops, I should have shredded it instead. How can I properly and ...
5
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1answer
10k views

Can I password protect an NFS share?

I have two machines on a local network (Ubuntu 11.04). I created an NFS server on machine A. The other machine B receives its IP through DHCP. I want to know if IP is the only way to allow or deny ...
5
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2answers
778 views

I left my .git directory readable by the web server, what risks do I have?

On one of my web applications, I accidentally left the .git directory readable by the web server for the last few weeks. Index listing was disabled. Visiting the website.com/.git URL would result in a ...
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7answers
13k views

How can I safely open a suspicious email?

Suppose I receive an email that I highly suspect is some form of spam but I'm not 100% sure. Suppose also that I'm using form of webmail (like Gmail) with good spam filters, but this message made it ...
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1answer
1k views

libssh2.so.1cannot open shared object file?

I am trying to run medusa program when I have run it with command medusa -d I got + cvs.mod : Couldn't load "/usr/local/lib/medusa/modules/cvs.mod" [libssh2.so.1: cannot open shared object file: No ...
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3answers
111 views

Can malware/intrusion attempt via browser, attack other computers on same local network? (Windows) (no shares setup)? [closed]

Can malware, if running within a plug-in or elsewhere within the browser, or if downloaded and executed, or within a site that attempts intrusion, attack other machines on the local network, even if ...
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3answers
2k views

How difficult is it to crack HTTPS? [closed]

I'll be using a computer at a foreign country. Suppose the government is trying to figure out my password, would I be able to protect my password using HTTPS to log into GMail, or my company ...
1
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1answer
752 views

USB password prompt on plug-in [closed]

I want to create a security feature in Windows 7/XP, where if any random person plugs in his USB, it'll ask for the admin(or any other) password. This security is implemented at a very low level, ...
5
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1answer
89 views

Do locked pages get shredded from disk after resuming from suspend-to-disk?

Locked pages are sometimes used to store crypto keys like for Luks or for encfs and other sensitive things. But when doing hibernate (without swap drive encryption) they get stored to disk ...
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1answer
9k views

How can I disable the “Open File Security Warning” when I want to run downloaded executable files?

I would like to disable the "Open File Security Warning" that says "Do you want to run this file?" whenever I double click on an .exe I download. I have Windows 7 Home Premium, so I don't have the ...
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0answers
304 views

Print with lpr to userid protected network printer

How can I print from the command line (e.g., with << lpr >>) to a network printer that requires a user id? When I use the printer from an application, a dialog box requests my user id and a ...
4
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2answers
158 views

Is Firefox 6.0 a security and stability update? [closed]

I'm on Firefox 5.0 and just got a popup, translated from Swedish: A security and stability update for Firefox has been downloaded and is ready to be installed. Update: Firefox 6.0 Is ...
3
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1answer
210 views

Can Windows's IIS be used to hack my computer?

Yesterday I was looking over my Windows Explorer and figured that my "c:\inetpub" had some contents, which includes "history" and "temp". On history there is a folder named "CFGHISTORY_000000001", ...
5
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1answer
951 views

How to disable 3rd party cookies in Chrome?

I have both the "stop websites from storing local data" and the "block all third party cookies without exception" settings enabled in Chrome 12 (I'm not sure what the exact names of these settings are ...
16
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4answers
10k views

How to store SSH keys?

I've started using SSH keys instead of passwords just recently (thanks to GitHub, of course), so please keep in mind that I'm pretty new to this whole concept. Currently my keys simply lay in ~/.ssh, ...
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2answers
15k views

Are the insides of LCD monitors dangerous?

I have an LCD monitor that is cracked. So far nothing leaks out but if something starts leaking should I be concerned? I have searched and read everything from: It is safe to be around and ...
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1answer
1k views

How do I configure my SOCKS Proxy?

I know how proxy servers work inside and out in theory, but the practice is getting the best of me. I need to configure a SOCKS proxy within the same network as my management IP so it remains ...
3
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2answers
1k views

Is there an open source software to run a 802.1x authenticator (ie. NAS) within Linux? [closed]

I have the following setup: ____________ [Windows PC1] ---------| | | Linux Box |----------[Internet] [Windows PC2] ---------|____________| ...
2
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1answer
1k views

How to do secure erase of CF card over USB in Linux?

I have a CF card I'd like to erase. My CF card reader is connected to my Linux machine via USB. How do I do a secure erase (i.e., the ATA Secure Erase functionality) of the CF card? I have tried ...
5
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3answers
205 views

How do I make sure a file stays off my hard drive on OS X?

I need to keep a secure file on OS X (10.6). The file is stored on a Flash drive, in an encrypted volume using TrueCrypt. The file itself is a CSV, to be opened using Excel. I need the file to stay ...
0
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2answers
627 views

Allow internet connection through nothing but a certain VPN connection in Mac OS X

How can I configure Mac OS X such that it can only allow an internet connection (both downloads and uploads) through a given VPN connection? If the VPN connection disconnects, the internet should ...
3
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1answer
305 views

sshd_config: disabled PasswordAuthentication and lost private key

that's only hypothetical question, it hasn't happened to me (yet). I want to configure secure ssh on my VPS. I'm going to use a public/private key pair (with passphrase) to authentication and I'm ...
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3answers
1k views

How do I know whether my Debian is being hacked/infected?

My laptop seems to be acting rather weird - saying that another person is logged in when I try to shut it down (or maybe it likes being turned on). So how do I know whether my Debian laptop is being ...
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1answer
597 views

Enabling Visibilty to other Clients on a Medialink Wireless N Router

After some trouble with my Buffalo router, I switched to a Medialink Wireless N Router. (I was sad to lose dd-wrt, but the Medialink had great reviews on Amazon and a good price point.) The issue ...