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

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25 views

Are there any IDS (intrusion detection system) devices in the market?

I am a CCNA student. As I have learned, data traffic does not pass through an IDS. It acts as a monitoring device connected to a switch interface. It detects the intrusion and sends an alarm to the ...
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2answers
23 views

Permission errors when copying files from the former internal drive of a defunct WIndows Vista laptop

I'm helping a friend resurrect data from the internal drive of a Windows Vista laptop which survived a house fire -- call this SingedDrive. We bought a new Windows 8 laptop, and I've installed ...
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1answer
16 views

How do I specify the key exchange method in OpenSSH?

I'm trying to understand how OpenSSH decides what key exchange method to use. What I don't see is how to specify the method. In addition, I know every ssh server/client is required to support at least ...
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1answer
45 views

Is SSD safer than hard drive in terms of data not been stolen?

With hard drives, even after you delete its content permanently (not just moving it into trash), there is a specific magnetic techinique that can be used to recover data. From the point of view of ...
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0answers
16 views

How do I locate mac forensic expert? [on hold]

Where do find reputable mac forensic expert? I mean, do I ask for recommendations? Is there a "white pages" sort of spot? I know a lot of experts seem interested in the spyware that has been ...
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1answer
16 views

Debian SSH two step auth

How can I setup two step auth like two passwords ? On Debian 7 with latest SSH. And without using Google auth or something simillar.
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2answers
6 views

Windows server file permissions - prompt raised

Local network with domain D, user U is member of group G in D. Windows Server 2012 R2 machine M, also in D. File F on local disk on M. Entire disk has All permissions given to G. When U is ...
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2answers
24 views

Wildcard CNAME record complications?

So we're using Route53 and I wanted to set up a wildcard CNAME record to redirect any unmatched subdomains to our main domain. I tried it out and everything looks like it worked okay, but when I told ...
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0answers
21 views

How to remove Microsoft Account?

I have an account that I don't use anymore. I would like to remove it in order to test some Microsoft Azure coding features. The problem is that I can't remove the account. I navigate to the account ...
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1answer
24 views

Web browser | Disabling the download of arbitrary scripts

I use firefox. Is there an addon or setting to stop my browser from downloading all the scripts that are linked on a webpage? I would like to only follow links which are at domains in my whitelist. I ...
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0answers
33 views

Make Chrome automatically load insecure content for specific pages/websites

Is it possible to have Chrome load content for specific web pages? I have this page that I go to all the time and I am tired of clicking on the shield each time(to load anyway). I don't want to have ...
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0answers
18 views

Are there any policy security reverse proxy servers? [closed]

In ages past, there was Apache mod_security. But mod_security was not GPL compatible, and mod_security2 came along, and it was good. But Apache became old, and replaced by lighthttpd and nginx and ...
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2answers
45 views

Is there a way to encrypt the files on an SSD that needs to boot unattended?

My company is developing a product that is basically a Linux PC with custom software in a fancy box. Since it uses a commercial SSD for the filesystem, I'm worried that an unscrupulous customer ...
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1answer
32 views

How to protect dropbox folder [duplicate]

Hi i saw some procedures to protect drop box folder, but i don't like those procedures. My requirement is, if any one click the dropbox folder on start -> my computer -> dropbox folder at left side, ...
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2answers
170 views

If man-in-the-middle attacks are rare, is Heartbleed as serious as suggested? [closed]

I connect to the internet on a secured wireless connection. I'm pretty sure nobody has MITM'd me on my LAN. How else could someone using Heartbleed to steal private keys access my data? I understand ...
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3answers
74 views

How do I know if a site is vulnerable to the Heartbleed bug?

So, I was thinking I should probably start changing my passwords after hearing all the talk about the Heartbleed bug. However, I then started thinking, what is the point of changing my password at a ...
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1answer
27 views

How to identify what permissions are needed to access a server share

Using Windows Exploer, I enter the following UNC path in the address line and hit ENTER: \TestServer I see a share folder, MyShareFolder. I right mouse click on the folder name and clicl ...
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2answers
76 views

Heartbleed threat: Do I need to change password for websites that I rarely logon?

I've a dozen email accounts, probably a hundred websites and forum accounts and I don't want to go about changing all the passwords. Do I need to change the password of websites that I seldom logon - ...
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0answers
15 views

Determine Effective Security Version when faced with Backpatching?

The Heartbleed bug has a lot of people asking how to check the version of an installed package. I'm included since I have not discovered a way. Unfortunately, backpatching has made version checking ...
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0answers
11 views

“Trusted zone” in ESET Smart Security still works even with “ESET Service” stopped?

I have ESET Smart Security installed on computer A, and I usually connect from PC B to A using RDP. I have to add the IP of B to "trusted zone" on A so that B is not blocked, like in this tutorial. ...
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2answers
343 views

How do I distinguish between these two certificate situations?

Situation 1 (safe): Website was vulnerable to heartbleed and using a certificate not valid before 2012-10-21 Website upgraded to an unvulnerable version of OpenSSL Website re-keyed and got a their ...
2
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1answer
105 views

Tool/Procedure to Evaluate Whether Each Site in a Password Manager (e.g., KeePass, LastPass, Dashlane) is ready for a new password (post Heartbleed)?

Sites need to be remediated for the Heartbleed exploit before a password is updated. Some sites will be remediated immediately but others may not be updated for months. Lots of us have many dozens ...
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2answers
41 views

Website Lock for Windows

Is there a way/hack/software to lock a domain (not just the main page but the whole domain. e.g. Not just superuser.com but also superuser.com/questions/ask and everything else.) in Windows 8 with a ...
26
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9answers
2k views

Why is it bad for me if my computer is infected, if I don't notice? [closed]

The situation I face is a family member whose position is the following: I don't want to update something that works, updates may break something. Look at our old computer that runs Windows 98, ...
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1answer
60 views

How do I reset the password on a Dedicated Micros DVR?

I have an ECO 9 Dedicated Micros DVR unit. This specific one has 9 analog video cards. Some guides suggest the username is dm and the password is web, other guides say the username is username and the ...
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1answer
26 views

Benefits of using a VPN for personal Internet browsing [closed]

I can understand a VPN is good in this scenarios: For a company network, to allow encrypted connection among company computers and with the comany server. If you are connected to a public Wi-Fi, ...
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3answers
54 views

Is keeping a directory with all password a bad habit?

I use a mac (though this is not critical to the question, it has some relevance) Every time I have to choose a password, I make a plain text with name of the website, username, and password in it. ...
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1answer
2k views

Does Heartbleed Bug in OpenSSL affect ALL SSL certs

Does the Heartbleed Bug in OpenSSL affect ALL SSL certs, regardless of where I purchased or if I self-cert? For example, if I bought an SSL certificate from GoDaddy and set this up on my server ...
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1answer
29 views

Is Chromium Wheel Smooth Scroller secure?

Chromium Wheel Smooth Scroller, which is an extension for Chrome browser really seems a nice product. But, on the security side, "it can access your data on all websites", this is the official ...
1
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1answer
60 views

Windows method to detect ARP Poisoning in my local network (LAN)?

(This question comes from this thread, and is intended to remain as a reference question/answer pair for more generic ARP network detection not limited to WiFi, or without the need of the specific ...
10
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3answers
1k views

Do end users need to do anything about the Heartbleed security bug? What?

I see in the news about the “Heartbleed” security bug. As an end user, do I need to do anything about it?
46
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5answers
3k views

What are the potential security issues when I keep using Windows XP? [closed]

Microsoft stopped updating Windows XP and the media warns us of security leaks. I actually just read that continuing to use Windows XP is "extremely" dangerous. Why exactly is this such a danger? I ...
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0answers
90 views

Blocking a trusted certificate in Google Chrome

Is it possible to somehow block a certain certificate that is currently trusted by my browser? The reason is the recently discovered Heartbleed-attack which I also found out to affect my netbanking ...
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1answer
12 views

Importing GPG Key

I am trying to import a GPG key to verify a download. I have never done this before, so bare with me. The Key ID is 4203454C. Let me know if you need any more information. What is the process for GPG ...
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1answer
44 views

Are air gapped PCs sufficiently secure running XP?

I have several XP SP2 machines on a LAN and several XP SP3 machines standalone. All are air gapped from the internet and receive no patches or AV updates. File transfers are by burning CDs containing ...
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3answers
50 views

Admin Account Keeps Getting Locked Out

Ever since I changed the admin password on my work domain, the admin account keeps getting locked out in the morning when users start logging on to their computers. I am not sure why a user logging on ...
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1answer
23 views

Is there an fast open-source portscanner? [closed]

Looking for a fast open-source c# port scanner ? Using handshake layer, pcap. Want some example for studying purposes.
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0answers
20 views

How to keep truecrypt from making a .truecrypt folder (ubuntu)

So I extracted the tar that the installer gave me and it all works except whenever I run truecrypt it puts a .truecrypt folder in my home witch I do not want to happen. So how do i stop it?
3
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1answer
53 views

Java in browser: application blocked (multiple domains)

Java made me to update to the latest version and now I get the "Application Blocked" error all the time. Alright, I have lowered the security (although it only allows for the "medium" level, omg), and ...
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1answer
37 views

How to block ads/pop-ups that gray out screen and show advertisment?

I've seen quite a few webpages that use obtrusive advertising techniques such as this: How can the signup form be blocked? I found using Adblock plus the form can be blocked, then the grayed out ...
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0answers
19 views

Encryption of two-way communication

Today I learnt how data sent through the web can be encrypted using symmetrical and asymmetrical encryption, but my textbook and people online only explain how it works when the encrypted data flows ...
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0answers
15 views

Erase all data after X incorrect screen-unlock attempts on Android 4.2.2

I haven't Business, Education, and Government Google Apps account. I looking for setting up my Android 4.2.2 to erase all data after X wrong screen-unlock patterns. Maybe alternative ways, exclude ...
0
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1answer
44 views

Should a port scan from the WAN side return any open port on a new router (TP-Link ER6020)?

I purchased a new router (TP-Link ER6020), turned it on and connected my computer to it. The router is running in NAT mode, I did not change a setting (despite providing dsl authentication details). ...
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2answers
66 views

Why is torrent transfer speed reduced when using VPN?

I have been living in a country where recently access to Twitter and a week later, YouTube has been prevented by the command of the government. There are ways to circumvent it but they are often ...
2
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3answers
84 views

Is there a reason why people don't secure public hotspots? [closed]

It seems like a network is considered to be secure by OS(or at least Windows) when the network has a password. By secure, it seems to mean the data gets encrypted. Can't public places just put WPA2 ...
0
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2answers
58 views

which unix or linux command is used to change root password of remote machine(Just an IP address) without using SSH Login

which unix or linux command is used to change root password of remote machine(Just an IP address)? Suppose I just have an IP address of the target machine which is on my network, But I do not know ...
3
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3answers
56 views

If you block an .exe file in Windows Firewall, are you also blocking the .dll files it uses or it needs to be done separatly?

Let's consider this scenario: There's some X software downloaded from the internet with one .exe file and several .dll files. The .exe file is prevented from accessing the Internet by using Windows ...
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0answers
13 views

Are Firefox addons a security risk and if so, how can I block Firefox addons for certain websites?

For example I don’t want any addons being active when I do online banking. Is there an option in Firefox or an addon which allows for deactivating addons for a list of websites?
2
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1answer
30 views

Debian disable su to root user

I am currently using Debian 7 (Wheezy) and I am trying to disable the su command only when the target user is root and not a privileged user. For example, let's suppose the following users exist: ...
14
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4answers
322 views

Ethernet over powerline adapters - how far will the data travel?

I would like to get a pair of Ethernet over powerline adapters so I can get a better connection on my desktop than what I currently get over WiFi. My problem is that I live in a block of flats. I'm ...