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

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12
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4answers
2k views

Encrypted WiFi with no password?

Is there any standard that allows a WiFi connection to be encrypted, but not require a password? i know that (old, weak) WEP, and newer WPA/WPA2 require a password (i.e. shared secret). Meanwhile my ...
4
votes
1answer
426 views

is it possible to monitor and log “read from Windows clipboard” events?

processes like Notepad or browser have legit reasons for accessing clipboard in short bursts, typically associated with keyboard and mouse activity. The vast majority of processes have no business ...
4
votes
3answers
22k views

How to block incoming connections from one IP address?

I have found out that one IP address is trying to RDP to a machine. I would now like to get XP to block all incoming connections from this IP address, and I am finding it very frustrating how ...
0
votes
1answer
1k views

Simple way to set up port knocking on Linux?

There are well known benefits of Port Knocking utilities when utilized in combination with firewall IP table modification. Port Knocking is best used to provide an additional layer of security over ...
0
votes
1answer
266 views

Checking for keylogger/trojan/spyware on OS X

I have enabled hidden files, ran netstat to observe active connections, and I am running Clamxav. Anybody know any other tricks or ideas to find anything hiding? This is a client's machine. It ppears ...
2
votes
5answers
4k views

Most secure way to access my home Linux server while I am on the road? Specialized solution wanted

I think many people may be in my situation. I travel on business with a laptop. And I need secure access to files from the office (which in my case is my home). The short version of my question: ...
0
votes
1answer
613 views

Signed Binaries in Windows

Is there a way to prevent Windows from ever running an unsigned binary? I realize that this would be a major pain from a user's perspective, but is there such of a mechanism in windows that would hold ...
2
votes
1answer
2k views

Windows 7: Open File - Security Warning box appears for every app on the desktop

Whenever I double-click to open an executable on the desktop (.exe, .bat, etc.), or a shortcut on the desktop that points to an executable, the "Security Warning" pops up and asks me "Are you really ...
3
votes
1answer
522 views

Security risks with autocomplete

I've heard of websites that have autocomplete fields that aren't visible, so extra information is captured when a user uses autocomplete (ex. a hidden address field, that is only filled in with ...
1
vote
1answer
79 views

From Security Perspective, Windows 7 with MSE is equal with Windows 8 with Windows Defender?

I just install an ubuntu in my laptop, but for some reason, I need to use windows sometimes. I am wondering that I should buy a windows 7 right now or waiting for the windows 8 which would be released ...
1
vote
2answers
91 views

what constitutes out-of-band access to a server?

The first time I access my server with a new installation of Filezilla or Putty, I will get prompted that I should continue only if the RSA key shown to me is correct. The cloud provider has advice ...
1
vote
1answer
30 views

Is it possible to change content of a file residing on other server using HTTP 1.1 features?

Let's say we have a file on server which have all permissions 777. Is it possible to make a script, situated on other server than the file to modify. The script uses HTTP 1.1 protocol features only to ...
2
votes
1answer
1k views

How Secure is MMS Messaging [closed]

I recieved a few MMS messages from a friend containging confidential documents as he didnt have internet access where he stayed for a project. How secure is it? can anyone in the IT department of the ...
3
votes
4answers
42k views

Google chrome not accepting any security certificates

I've recently developed a problem with Google Chrome that's really annoying. I'm using Firefox at the moment with no problems whatsoever and it's the same with IE, so it's safe to say this problem is ...
3
votes
1answer
543 views

Is there a utility to verify the checksums of every Windows file?

I would like to know if there is a utility to verify the checksums of every Windows file on my Windows 7 Ultimate system. It seems on the surface such an obvious utility but I don't ever remember ...
2
votes
2answers
400 views

OSX - Update “Java for OS X 2012-002” is not mentioned on support.apple.com, is this ok?

Straight after installing "Java for OS X 2012-001" Software Update asks me to install "Java for OS X 2012-002", which has the exact same size (66.6 MB) and description (including the same two links: ...
2
votes
1answer
654 views

Is the linux md5 password hashing considered secure?

On my RHEL6 linux is configured to use MD5 password hashing is the linux usage of MD5 for password hashing considered secure?
19
votes
4answers
2k views

What are ways to prevent files with the Right-to-Left Override Unicode character in their name (a malware spoofing method) from being written or read?

What are ways to avoid or prevent files with the RLO (Right-to-Left Override) Unicode character in their name (a malware method to spoof filenames) from being written or read in a Windows PC? More ...
2
votes
3answers
239 views

What is the advantage of using SSL?

If I connect using a DSL line, what advantage do I have in using SSL (for "minor" activities (like banking, to exclude espionage, top-secret-business plans)) ? I assume that most people will not ...
1
vote
1answer
488 views

Safety Guide for Riding in a Car with a Laptop? [closed]

Besides the obvious - needing to get yourself a good enough power cable to attach to the cigarette lighter - what other tips do you need to protect your notebook when on the road? For example, Are ...
2
votes
2answers
274 views

Did Firefox running in Mac OS X get hacked

When I try to do a Google search in Firefox, I can't click on any of the links. They're just regular black text, not hyperlinks. I even tried safe mode and disabling all the plugins. I was running ...
2
votes
1answer
575 views

How to know who accessed a file or if a file has 'access' monitor in linux

I'm a noob and have some questions about viewing who accessed a file. I found there are ways to see if a file was accessed (not modified/changed) through audit subsystem and inotify. However, from ...
9
votes
1answer
2k views

How can I prevent file execution in a specific folder in Windows 7?

I don't want to inadvertently execute programs in my "Downloads" folder. How do I do that in Windows 7 Home Premium?
0
votes
2answers
2k views

How can I password protect local group policy?

How can I protect local group policy? I want to put a password on gpedit.msc in Windows, how can I do this?
1
vote
1answer
47 views

Confirm Ubuntu updates

Over the past couple of weeks I've noticed that my Ubuntu 11.10 installation has had many security related updates, including changes to CA Certificates. Is there Ubuntu web page that lists all ...
0
votes
5answers
4k views

Could local ISP capture my location whenever i launch a VPN to a VPN server?

I am extremely concerned that my ISP collects any information once I am connected to a VPN server. For instance, as far as I know, when I start a connection to a HotSpotShield VPN server, an IP ...
0
votes
1answer
771 views

Access Denied of a folder on a Drive

I wanted to restrict access of other people in a certain drive of my computer. What I did was go to the Security Tab (under Drive Properties) and remove the All Users entry. My account is an ...
0
votes
2answers
348 views

How to encrypt saved password in firefox?

In our company we are using one pc for everything. Everybody is using firefox and a lot of people are using the save password option. I know that you can easily read the username/password with the ...
4
votes
6answers
1k views

How to prevent dual booted OSes from damaging each other?

For better compatibility and performance in games I'm thinking about installing Windows additionally to Linux. I have security concerns about this, though. Note: "Windows" in the remaining text ...
0
votes
1answer
821 views

What do I need to open on my Windows Firewall to allow GFI Security Endpoint functionality

I've been asked to switch off my firewall so that GFI Security Endpoint will work properly, I'm not switching off my firewall! What do I need to do on my windows firewall to allow GFI Security ...
0
votes
1answer
408 views

How to setup code access security locally Eclipse

Is there any way to secure project source code locally in Eclipse work space. I see there is a good feature for CAS in .Net. In .Net IDE when i open a project its asking for windows security ...
4
votes
2answers
3k views

Jail user to home directory while still allowing permission to create and delete files/folders

I'm trying to give a client SFTP access to the root directory of their site on my server (Ubuntu 10.10) so they can manager their website themselves. While I have been successful in jailing a user to ...
28
votes
6answers
8k views

How to put fear of God (law) into Wi-Fi hacking neighbors [closed]

I live in an apartment and some new guys have apparently moved into one of the apartments. They have been shamelessly hacking into my WiFi. Mine was initially a WEP encrypted network and out of ...
-1
votes
1answer
593 views

Apache server configuration name resolution (virtual host naming + security)

I have just setup a minimal (hopefully secure? - comments welcome) apache website using the following configuration file: <VirtualHost *:80> ServerName foobar.com ServerAlias ...
1
vote
1answer
530 views

How can I configure my SOHO Windows 7 machine to host a Minecraft Server that requires people to join the VPN prior to connecting?

Is that possible? Basically having some security issues with having the port open. Wondering if I can expose the Minecraft Server to a VPN only so that users will need to authenticate and join the VPN ...
0
votes
3answers
918 views

Is it safe to re-partition / reformat my flash drive?

I just bought this flash drive on eBay. It's a 4GB Imation Swivel. I have no interest in the proprietary encryption software that comes with it, in fact I'd rather not plug it into my Windows PC until ...
4
votes
2answers
1k views

If I write all zeroes or ones to a hard disk, does that effectively and securely wipe it?

If I wanted to completely and securely wipe a hard drive, could I simply write all ones or zeroes (or even just random zeroes and ones) over the entire disk to clean it? It'd probably take forever, ...
5
votes
5answers
16k views

How to use public-key ssh authentication

I have 2 ubuntu 12.04 (beta) servers (node1 and node2) and want to establish passwordless root access between them. Other users should not have access to other boxes. Also note that ssh default port ...
4
votes
2answers
971 views

How long is a version of OSX supported for security updates?

How long does Apple normally support versions of OSX with security updates. What was the last OSX version to drop support for security updates? Where would I find this information?
3
votes
2answers
745 views

Copy-proof flash drive

I'm looking for a solution that make it possible to make a flash drive which protects the data from being copied so that the data is data could be "played" only The main aim for the flash drive is to ...
0
votes
1answer
259 views

hardening a server: disallow password-login for sudoers and log unusual ips

Two question regarding sudo-login into an ubuntu-system (debian tips welcome as well): Is it possible to require sudoers on my box to only login with publickey-authentication? Is it possible to log ...
0
votes
2answers
1k views

Svchost.exe connecting to different IPs with remote port 445

Im using Windows XP Professional SP2. Whenever I start my Windows, svchost.exe starts connecting to all the possible IPs on LAN like from 192.168.1.2 to 192.168.1.200. The local port ranges from ...
1
vote
1answer
126 views

Security concerns of using auto-login (when using preboot authentication)

I have TrueCrypt with preboot authentication. Is it safe to make Windows auto-login?
0
votes
1answer
59 views

accessing a machine locally without network auth?

I have a machine that probably used LDAP or something for auth on a network but im trying to login to manage the system but cant seem to login even after doing a reset of the administrator password. ...
1
vote
1answer
637 views

Making PPTP VPN Secure

I've been reading about the security, or lack of, with regards to a PPTP VPN. The specific things mentioned over and over are the fact that DNS can leak and the encryption is insecure. Is this a ...
1
vote
2answers
677 views

SSH behind proxy ?

What is the best way to SSH to my sever behind company proxy , it seems that 22 port is not opened by default , is there any simple way to do that rather than to install corkscrew ?? When I do : ✗ ...
2
votes
1answer
436 views

Accessing my Rails webrick behind proxy?

In my mackbook, when I try to connect to my rails application in office I can't , in the office there are some http proxy , and when I run my rails like this : sudo rails s -p8080 => Booting ...
1
vote
0answers
789 views

Revocation information not available for certificate?

I'm trying to download SQL Server 2008 R2 Enterprise Edition from MSDNAA on my Windows 7 laptop. When I attempted to start the download, I was shown the following prompt: Revocation Information ...
0
votes
0answers
424 views

Protecting/securing a single Mac OS X partition (dual-boot setup)

I want to know how to protect a specific Mac OS X 10.7 partition which is installed on a dual-boot machine. I do not need anything too powerful or secure, but I have two Mac partitions on the same ...
2
votes
2answers
1k views

Why does my password for the ssh private key does not work (on Mac)?

I have a pair of private and public keys. The public key is on my server and I have my private key on my local disk. The file's permissions were changed with the command: chmod 600 private_key Now ...