Data-leakage is the uncontrolled, unauthorized transmission of classified information from a data centre or computer system to the outside. Such leakage can be accomplished by physical removal of data storage devices (diskettes, tapes, listings, printouts and photographs of screen copies or ...

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234 views

Is there any risk in posting “local info” to the Internet?

Previously when I posted a screenshot online, someone told me to erase out my usernames, computer names, domain names, etc: Is there actually a need to do so? A quick Google search shows that many ...
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93 views

VCS to manipulate returned trees to prevent leaks? [closed]

I am wondering if there is any system that would change source code trees in subtle from version control systems in ways that are hard to discover (i.e. whitespaces at the ends of lines, perhaps even ...
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8k views

Why is my browsing history visible outside my network?

Whatever I and my family members do at 'Home PC' is visible in the history in Google chrome in my 'Office PC'. The two networks are entirely different! I saw all websites visited on our home PC by my ...
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3answers
682 views

Monitoring and filtering of arbitrary outgoing data

I would like to be able to not just centrally monitor but also filter any organizational data moving out our edge routers, regardless of the sender application and regardless of the protocol/port used ...
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1answer
263 views

What's this type of leak detection method called?

Suppose I want to figure out which of a group of people is distributing my content without authorization. So I create several different versions of the same content, each with a unique watermark ...
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214 views

Is there an example of a web server that does steganographic watermarking?

You could imagine a web app that serves subtly different versions of a page to each user. For example, it might encode the identity of the user in the images it serves. This would be a per-user ...
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3answers
139 views

Is it possible to read files in a mobile phone for carriers through mobile network alone?

Say a smartphone does not have any (internet) data plans activated (no gprs, 3g data etc.). It just connects to the tower for calls. So is it technically possible for the carrier or law enforcement ...
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394 views

How do private photos get stolen?

I'm not referring to any of the below: A spiteful partner sharing private photos of the other after editing themselves out. Someone stealing photos from a professional photographer/artist without ...
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1answer
530 views

How to prevent users from copying their outlook pst file to an external disk or system

We allow 4 gb space per employee in outlook mail exchange, beyond that the user has to create a pst file . That is the policy. We have given admin rights to all employees since there is a lot of ...
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1answer
94 views

Linux file information leakage

What information is kept in a linux file about the user and/or system that created it? I want to make some files publicly available, posted on another server such as GitHub or FTP, but I'd rather the ...
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233 views

Blocking access to social media on Windows

I would like to block websites like Facebook, YouTube and other social sites as part of my job and would need your advice on how to manage that. There are about 120 PCs in the building. Is something ...
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1answer
142 views

Data Protection act, who is liable? [closed]

Recently, a large UK shopping chain had the staff payroll database leaked (including bank details, all unencrypted) We've been told that we cannot take legal action and have so far been denied ...
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1answer
294 views

How to secure data in a stolen raid disk?

I quote from this article Forget about hacking – your servers might get stolen: Are data centers as secure as they want you to think? Though security is often a selling-point for many data ...
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285 views

Malware stole an executable file on my computer? Seems unlikely

If you don't want to read all of the details, skip to the bottom; I'll make a summary. I created a computer program as a proof of concept (I threw it together in 12 hours, so I wrote it in Visual ...
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1answer
830 views

What encryption is possible for ReadyBoost?

ReadyBoost is a technology to assist getting Windows Vista or 7 to load faster on memory-constrained PC's. Since a USB stick can be easily removed, what security options are available for this ...
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1answer
42 views

Possible threats on the memory buffer

If an adversary could identify a buffer's capacity, what would be the possible consequences?
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2answers
123 views

Firewall Security vs Anti-Virus

Overview of my question I want to create a secure Window's system without the use of an Anti-Virus program. Whilst I know there are many on-demand and live-scanning anti-virus programs readily ...
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1answer
549 views

Data Retention Laws for ISPs in North America

I was reading an article on TorrentFreak where Private Internet Access claims the United States "is one of the only countries without a mandatory data retention law." According to the linked article ...
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89 views

Understanding the behaviour of existing eavesdropping techniques

I am studying the behaviour of existing eavesdropping techniques (part of my research). I have a question through the following scenario: Suppose Bob lives in New York and wants to listen (i.e. ...
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1answer
123 views

Copy-and-pasting plaintext data from encrypted container

Suppose we have sensitive information stored in plaintext within a dm-crypt/VeraCrypt encrypted file and this information is copy-and-pasted by a user into a web browser after decrypting (this could ...
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1answer
294 views

Data classification and data leak prevention

We have several levels of data classification such as secret, confidential, etc for documents. To prevent leakage of such sensitive information to the outside, I am considering using a DLP solution. ...
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17 views

File sharing solution with approval workflow [on hold]

Is there any solution out anyone is aware of that does secure file sharing but with the facility of an approval workflow. A case being a person can upload a file to the secure file sharing solution ...
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1answer
25 views

Why mobile applications share device characteristics with third parties?

It is known that mobile applications can share with third parties many different types of data from information about the device to search terms used in the application. I understand that search ...
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0answers
39 views

What should I do when I find out some company user database I am listed in was leaked?

Today the antispam tool in the company I work for blocked several emails. It has been months since last time, so I took the time to analyze the quarantined messages. Since I almost never give my ...
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28 views

Are exposed database names on shared server a security hole?

I was working for a client this week, and they use PostgreSQL database for web applications. They have their database on a shared server. When I connected to the database host with pgAdmin, I was ...
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51 views

Restricting VMware View Copy/Paste Functionality

Does anybody know if it's possible to restrict VMware View copy/paste functionality depending on the source of the client? It seems VDIs can have GPOs set to configure copy/paste functionality, but ...
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0answers
89 views

Vetting new IT development staff [closed]

In the realm of software development what would be the best way to vet prospective employees? We handle potentially sensitive information, and a code base which could be potentially lucrative to ...
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3answers
93 views

Variable scope and security

This question is directed at the .Net framework, but would hopefully be answered to encompass many languages & frameworks. Let's assume I have a two methods, one which actually decypts data and ...
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1answer
395 views

Can I rely on encrypted cloud services like Mega? [closed]

The Mega site claims that all submitted files are encrypted upon upload and decrypted upon download, and at no moment have they any knowledge of the decrypted contents. (I assume others sites do it ...
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1answer
1k views

Ways to protect source code from theft [duplicate]

I just want to know better ways to protect source code from theft on Windows by Removable Devices like CD,Pendrive. Here is what I know: Windows Disk Encryption: Pretty nice to protect from offline ...
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1answer
39 views

Unsecure FTP with Encrypted file and Wireshark leakage

Hi i was wandering if it is possible to have a password leaked to an encrypted file on an anon ftp server with r-x-w permissions. So for example i have a file encrypted using gpg and when opened on ...
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1answer
93 views

Does non-persistent data ever need to be encrypted?

Does non-persistent data ever need to be encrypted? If I had a project with confidential data stored in non-persistent class variables should I be doing anything to protect this data? I am developing ...
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1answer
65 views

Does creation of dump data would be considered as vulnerablity?

Problem behind the question : We were a small firm developing a small web application which was similar to fb,gmail,etc [in terms of functionality]. We have a signup form and I was assigned to test ...
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1answer
122 views

Can a QR code steal my mobile's data?

For example https://web.wechat.com By scanning the QR code from my mobile, it automatically logs in with my wechat account. Here, can QR web sever or QR devices steal the mobile data?
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131 views

Is it safe to log JavaScript exceptions to the error console?

I know that on the server side it's very bad to display system-level errors instead of logging them to disk, because it could expose potentially sensitive information, but do the same concerns apply ...
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93 views

What is the severity if someone read the ConnectionStrings_Prod.config?

I was doing an pen test in a website and the programmer did a big mistake and I was able to read any file. So I read the web.config and see the password for database was in ConnectionStrings_Prod....
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2answers
8k views

Trying to get rid of hackers who have access to all my devices [closed]

What is the best way to go about getting rid of hackers that have gained access to all my personal computers, (both old and recently purchased) phones, and even random computers I use to simply get ...
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1answer
320 views

How to use clipboard manager software more securely?

I want to minimize the risks using a clipboard manager or clipboard history software. I want to use it because it really eases my work so not using it is not a good option. These programs usually ...
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1answer
42 views

Does KDE System Tray Extra Items “Clipboard” have the same security threats as the system clipboard?

Does the clipboard under kUbuntu's KDE System Tray > Extra Items "Clipboard" have the same security threats as the system clipboard? The following articles point out the insecure nature of the ...
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1answer
90 views

How can I ensure that only the message I sent, and nothing else reaches the receiver?

How do I make sure that the open channel I use to send a message to a specific receiver, is not used by a third party to send unwanted files and compromise the receivers system? Is there a method by ...
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1answer
209 views

Is there a risk that file shredders and free space wipers steal our confidential data?

I was wondering how secure are the file shredding software and free space wipers? Lets say we are using PC Windows, and software CCleaner (from piriform) or File Shredder (found here) to securely ...
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2answers
81 views

Web/App vulnerability responsibility [closed]

While auditing a few web apps and websites I uncovered a few serious vulnerabilities which I've since flagged (responsibly, of course). One of the things I noticed was that several development ...
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1answer
63 views

Securing Diskless Clients from Data Leakage

I am experimenting with securing diskless clients booting both RHEL 6.5 and Windows 7 via PXE (and iPXE in the future) from iSCSI targets. These computers run only on an internal network and are ...
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1answer
158 views

Is a properly configured server secure against unauthorized data access?

Take for example a game. Typically, when you buy or download a game that can be played offline, all of the data required to run the game is shipped with the executable. In order to protect these ...
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1answer
251 views

HTTP Status Codes - security considerations [duplicate]

I am designing an authorization framework and now I am thinking about the error codes which I should return when someone is trying to access a resource and he doesn't have the required permissions. ...
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1answer
176 views

Data categorization: tools?

For the purpose of setting in place the appropriate means of securing data, and to secure this process, I'm asking me the questions: What are the tools to associate to a document a categorization ...
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2answers
759 views

How does WikiLeaks(Julian Assange) get the US Embassy cables? [closed]

How does this guy get these cables? Are those cables routed through a single node, where this guy got it? If so, How it is possible? I mean, how that single point came under the control of Julian ...
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0answers
61 views

How could I encrypt an SD card to store data on it?

I have some data I'd like to carry with me in an encrypted form onto an SD card, so I (and only I) can access it easily from any OS (or at least Windows, OSX and Ubuntu). My idea was like: Two ...
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0answers
86 views

Should I blur the cached snapshot of my app?

I recently ran a security scan on one of my iOS apps that suggested I modify my apps display as it enters the background so that the screenshot stored in the cache does not expose any sensitive data. ...
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3answers
260 views

Most secure way to isolate computer on network

I handle personal client information. Stuff that shouldn't get lost. Because of this, I have had to be careful not to download or install anything that is in any way uncertain. One data stealing virus ...