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 ...

learn more… | top users | synonyms

3
votes
2answers
274 views

Concerns of data being on the cloud

Would you prefer a private cloud for your data or a public one? Who takes care of financial liability in case of any breach? Do companies still keep the most critical within their data centers, ...
3
votes
3answers
357 views

Website knows that I'm connected via OpenVPN

When I'm connected to a OpenVPN server and visit http://ip-api.com/ I get this: OpenVPN UDP bs128 SHA256 Can somebody explain to me how this is possible and how can I stop this information leak?
3
votes
1answer
292 views

What information could be gained from an Amazon shipping label?

My family has a bad habit of recycling Amazon shipping boxes without taking out the labels. We have been doing this for the past year or so and have noticed a slight and steady increase in the amount ...
3
votes
1answer
230 views

Smartphone motherboard - Does it hold any data?

I recently went for a smartphone repair and got its motherboard replaced. However, it didn't occur to me to ask for the damaged motherboard back. I had confidential credentials and data stored. No ...
3
votes
1answer
114 views

Secure text document's fingerprint

The purpose is the same as with hashing: given set of confidential documents, I want to process them and store something secure like salted hashes/bcrypt. Later, when new document is given, I want to ...
3
votes
1answer
107 views

How long is the information on Facebook stored? [closed]

I was wondering how long Facebook stores our photos and posts? I hear two theories, one saying it is around half a year, after which all the data centers are going to erase our data. The other one ...
3
votes
1answer
47 views

Metadata leakage from security camera upload times

Picture the following: A server controlling security cameras has a script that takes stored footage, encrypts the files with GPG, and moves it into a cloud storage folder (Dropbox in this case). If ...
3
votes
1answer
407 views

Theory about split data in several isolated (different physical server) DBMS to gain in security?

Suppose the following scenario: 1- A web app (on WEBSERVER1) and its database (on DBMS1) having very sensible information deployed in the same physical server (lets said that for simplification). ...
3
votes
1answer
993 views

Strange packets coming over wireless, looking for clues

While running airodump-ng in town, I have noticed an unusual type of AP or pseudo-AP. There is a steady stream of wireless beacon frames coming in on channel 6. The frames are valid, but have several ...
3
votes
0answers
27 views

How to mitigate risk of X11 buffer ghosting on window resize and X server shutdown

The Buffer "Ghosting" Phenomenon It is possible to observe contents of (old and currently used) graphics buffers on a monitor under certain circumstances, posing an information disclosure risk, when ...
3
votes
0answers
57 views

Is an application backend expected to potentially log sensitive customer data when in debug mode?

As I am working on a website that asks customers to enter data such as their name, address, phone number, obviously customer data that needs to be protected. I do my best to not log such data ...
3
votes
0answers
360 views

SQL security - ACID transactions and locking to prevent financial fraud (timing attack?) [closed]

I am trying to prevent something similar to this from happening: http://hackingdistributed.com/2014/04/06/another-one-bites-the-dust-flexcoin/ Basically the financial exchange was using non-ACID ...
2
votes
5answers
803 views

How to restrict flash drives in Local Area Network

It is prohibited to use USB drives at our office, due to security reasons. But some people still use them to steal information. It is now a great risk factor at our office. Now we need to ensure any ...
2
votes
6answers
2k views

How do I prevent data from leaving my network?

I have a network of about 10 computers and I want to prevent sensitive data and source code leaks. To achieve that, I would like to block all file uploading / attaching. What are the options ...
2
votes
5answers
3k views

If a hacker were to compromise a GMail database

Assuming the systems that store the Gmail database is compromised what is preventing them from reading everyone's emails by looking at the data in the database? I assume nothing, and in order for ...
2
votes
2answers
93 views

Explaining information leak to Lead dev

Our lead dev tells me that this information leak from our website is "no vulnerability. Just an ugly error UI." It looks to me that the leaked information could be used to aid an attack. Does it ...
2
votes
2answers
674 views

How to implement password reset functionality without becoming susceptible to cross-domain referer leakage?

I have typically implemented password reset functionality by sending a link that included something like this: http://example.com/pwreset?id=userId&resetToken=superSecretResetToken On my pwreset ...
2
votes
1answer
343 views

Twitter.com in private browsing leaks data to normal browser. Other sites as well? Bug or feature?

This is the first time I encountered similar thing. When I log into the Twitter web site in Chrome (namely, the Iron version which is said to be security enhanced, but that does not matter here) in ...
2
votes
2answers
3k views

How to prevent user from recovering my iPhone data?

If I'm about to sell my iPhone 5, is there a way to make sure that the buyer won't be able to recover anything from my data? Both data that has been recently deleted and data that has been deleted ...
2
votes
2answers
200 views

Does NTP leak local system time?

As I understand the paper An Improved Clock-skew Measurement Technique for Revealing Hidden Services (6/23 = pdf page 3), it implies that a NTP client leaks the system's local time because of TCP ...
2
votes
1answer
2k views

How to secure MySQL based web session data table?

I have the following MySQL session schema: CREATE TABLE `SessionData` ( `id` varchar(50) COLLATE utf8_unicode_ci NOT NULL, `data` text COLLATE utf8_unicode_ci, `date` datetime DEFAULT NULL, ...
2
votes
2answers
1k views

Keeping valuable algorithms secret

Given a securities trading algorithm that is very effective and thereby very valuable, how do you keep it secret and protect it from theft or copying? What techniques or architecture is the best? The ...
2
votes
3answers
73 views

Is it safe to include memory addresses in a program’s output?

I’m writing a program. The input is a complex data structure in memory. The output is an HTML report that contains: (1) a representation of the structure; (2) textual annotations that refer to objects ...
2
votes
2answers
239 views

What options are available for implementing DLP? [closed]

What options are available for implementing DLP within an organisation and what are the pros and cons of each?
2
votes
1answer
109 views

Possible to redact information in the clipboard, or to auto-redact when it hits a webpage?

Sometimes when I paste information to a website I realize after I post the information that I inadvertently included an IP address, username, email address, or other information I'd like to consider ...
2
votes
2answers
77 views

Information disclosure by identifiers

I'm doing a small research and I observed quite a lot of sites that reveal some private information in the ID-s that they assign. As an example I would like to point out e-commerce sites that issue ...
2
votes
3answers
496 views

Where do organizations store their sensitive documents? How do they protect them?

Where do organizations store their sensitive documents? How do they protect them? What are the pros and cons for each method? (If there are multiple common ones) EDIT: I am more referring to ...
2
votes
1answer
73 views

What's the mechanism used to extract my user name on a website? [closed]

I was browsing this forum http://openelec.tv/forum/64-installation/40869-putting-openelec-onto-sd-card-using-usb-reader-from-a-mac-for-raspberry-pi ,and realised that they show my hostname and my ...
2
votes
1answer
1k views

Flawed understanding of SQL Server Transparent Data Encryption (TDE)

We host a database for one of our applications on Microsoft SQL Azure. One of our clients was dissatisfied with the fact that TDE is not supported on SQL Azure (and the database is otherwise not ...
2
votes
1answer
81 views

How to protect personal data requested by Certificate Authorities from data theft?

I recently uploaded images of my passport and driver's license to a Certificate Authority (CA) to apply for SSL certificates. The submission was rejected because I have added watermarks to prevent ...
2
votes
1answer
943 views

How does Ram Scraper work?

I heard that during Christmas a lot of customer data was stolen using malware attack called Ram Scrapers. What exactly is a Ram Scraper?How would one infect a machine with it?What information can you ...
2
votes
1answer
91 views

MITM vs. data leakage

We are designing a web API - accessible via https only - but two schools of thought seem to have arisen among our team: Group 1 wants to adopt an approach that is more concerned about data leakage ...
2
votes
4answers
1k views

Code, Data and Passwd encrypted? sqlplus $USER/$PASSWORD@$ORACLE_REMOTE_SID

Lots of our *NIX scripts use "sqlplus $USER/$PASSWORD@$ORACLE_REMOTE_SID" I know that not good to have clear text password in scripts (there is no alternative at the moment). But question is the ...
2
votes
2answers
126 views

Block mobile tethering on android phones from Windows (DLP)

In our small organisation I have tried my best at implementing DLP by: Making sure users access all files from the server Local disks are denied access (forced to work only on network drives) ...
2
votes
1answer
73 views

Properly solving IP leaking from WebRTC and other apps with STUN when using a VPN

This is really a follow-up question from this: Stun scripts/webRTC IP leaks I'm connecting to a VPN using a virtual adapter, which has a default routing rule so all traffic goes through it. I still ...
2
votes
2answers
51 views

Can a web-filter track my internet access over application API calls?

I'm at college where each student has a login ID and password for internet access through the CyberRoam web filter for blocking certain websites. My question is, when I'm browsing Facebook, YouTube, ...
2
votes
1answer
237 views

Tools for Verifying Secure Deletion [closed]

It is recommended to verify the zeroing-out was done properly when you try to secure delete a HDD. From this post, some drives with firmware bugs prevent secure erase from working properly. What are ...
2
votes
1answer
9k views

How to block all access to Akami deploy servers and Apple push servers?

I no longer blindly trust the numerous connections that occur at night and during the day that always go to "content" and "push" servers like: a23-33-37-54.deploy.akamaitechnologies.com ...
2
votes
1answer
210 views

Firewall Considerations with PGP Universal

The PGP Universal server is a fairly complex piece of work that provides several different services. When constructing firewall rules I am trying to determine what implications there are for opening ...
2
votes
0answers
109 views

Security Questions I should be asking my developers [closed]

I am looking for a comprehensive list of security related questions I should be asking my developers. I have done some research on the net and have yet to find a great list of questions I should be ...
2
votes
0answers
62 views

How often are codebases compromised? [closed]

I'm currently trying to research which get compromised more often; databases or codebases? My guess would be that databases are the obvious answer and most of the time easier to compromise, because of ...
1
vote
2answers
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 ...
1
vote
2answers
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 ...
1
vote
2answers
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 ...
1
vote
3answers
675 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 ...
1
vote
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 ...
1
vote
2answers
207 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 ...
1
vote
3answers
138 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 ...
1
vote
2answers
390 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 ...
1
vote
1answer
519 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 ...