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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4
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1answer
92 views

How to Man-in-the-middle a whole network?

When performing a MiTM attack, you generally need to specify the router's IP address and the "victim" IP address. I'm trying to demonstrate to a business owner why he needs to secure his network, but ...
4
votes
2answers
403 views

Preventing information from leaving corporate network

How do you prevent confidential information from leaving the network.? Nowadays online storage facilities are in abundance. e.g. Google Drive, One Drive ...etc. Any employee can just upload sensitive ...
4
votes
2answers
518 views

Google Account Compromised - Possible Investigation?

This morning, I've not been able to login to my Google Account. Google says, my account has been compromised and I had to walk through account credentials recovery and verify (SMS to verify phone ...
0
votes
1answer
59 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?
-2
votes
1answer
285 views

What is one way to verify emails of compromised website if registrations are not validated?

There was recently a massive personal data leak, and the data seems to be from Ashley Madison - a site providing dating services to married men. The site takes any email and does not verify them while ...
0
votes
0answers
38 views

Is Chrome for Android leaking my phone number?

I accidently clicked on an advert, and opened it with chrome. It was one of those things where you can subscribe to an App Store for £4.50 a week for apps which are usually free anyway. This is ...
1
vote
2answers
47 views

Should Android apps for communication encryption and security require permissions like identity, device ID, contacts, etc.?

There is a Android application Threema for communication encryption and that says it does not collect user data, but it requires the following permissions: identity, contacts and device ID. Can ...
0
votes
1answer
66 views

How secure are the passwords stored at Google Passwords? [closed]

It seems Google activated central place for storing app/website passwords which is accessible at https://passwords.google.com/ and all the remembered Chrome passwords are synched there. In what ...
3
votes
3answers
209 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?
0
votes
0answers
23 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 ...
7
votes
3answers
3k views

I found my user details on already old, leaked account information list

I came across an old (>3 years) accounts information list which has been leaked to the web. The list included thousands (>10.000) of account details from a service or services. Apparently the event ...
17
votes
5answers
2k views

At what point in their employment should security policies be explained to an employee?

There are the basic things that need to be explained to every employee about a security policy. For example: How sensitive information must be handled. How to properly maintain your ID, and ...
59
votes
5answers
32k views

How do you destroy an old hard drive?

How do you destroy an old hard drive? To be clear, unlike questions Secure hard drive disposal: How to erase confidential information and How can I reliably erase all information on a hard drive? I do ...
10
votes
4answers
6k views

Recover the prior contents of RAM from a turned-off PC?

I've heard that if your PC is turned off, then an attacker can recover the RAM from the last session. I find this hard to believe. How could it be done?
3
votes
1answer
67 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 ...
4
votes
1answer
114 views

How to detect a database leak

Website keep getting hacked every day and every now and then we hear website owners react and tell "affected users that their password might had been compromised". Most sites that disclose such leaks ...
7
votes
3answers
2k views

How are leaked government credentials possible and what's the point?

In the wake of all these leaked/stolen/hacked government login/passwords being stolen it got me thinking. How is the leaking of these passwords even possible? Or are they of any real use? Aren't all ...
6
votes
3answers
1k views

Wordpress Brute Force Attacker knows real admin Username -

I've noticed a brute force attempt on several different Wordpress installs that know the right admin user name for those respective sites... It seems very strange that the hacker would be able to ...
-2
votes
1answer
99 views

Data security is not perfectly possible, laws exist but no one uses them. What is missing on international level? [closed]

In my country (Austria) I was a member of the team that made laws for protecting the personal data of every person. In the meantime I realise that we have the laws but nobody claims them in ...
10
votes
1answer
477 views

Social Engineering and Police Officers

The Story: Yesterday at 12pm a neighbor of mine was pulling into his driveway, and saw that his van's back-window was shattered. Well, this neighbor and I have had some trouble with each other in the ...
1
vote
4answers
9k views

How do I securely erase USB flash drives?

I would like to know if there is a way to securely erase USB flash drives without a chance to recover data from it once it has been erased. I know, that programms like DBAN can be used to securely ...
2
votes
1answer
75 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 ...
1
vote
1answer
329 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 ...
1
vote
3answers
80 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 ...
35
votes
1answer
11k views

Does WinRAR leave traces of temporarily extracted files?

If I have an encrypted RAR file which will only open using a password, and I opened a file directly from within WinRAR by double clicking the file inside WinRAR, I assume that WinRAR will create a ...
2
votes
1answer
64 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 ...
6
votes
2answers
331 views

Does reboot clear RAM?

How can I ensure that the whole RAM was zeroed-out? Does a reboot (Power On Self Test) clear whole memory before system is booted? Or does a Linux kernel zero memory before proceeding? I am familiar ...
0
votes
1answer
63 views

What are analytics APIs accessing when they run, and how do you block or spoof them?

What are analytics APIs accessing when they run, and how do you block or spoof them? Usually all apps from desktop or mobile app stores, MMO clients, Steam and many utilities, and many games and ...
42
votes
4answers
26k views

Why is writing zeros (or random data) over a hard drive multiple times better than just doing it once?

Lots of different programs, such as Darik's Boot and Nuke, let you write over a hard drive multiple times under the guise of it being more secure than just doing it once. Why?
1
vote
0answers
75 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 ...
0
votes
2answers
66 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 ...
16
votes
6answers
7k views

Preventing information disclosure from browser back button/history?

I have sensitive data that will be hosted on a website, and I would like to prevent the data from being exposed in this scenario: The primary user logs off the application, but does not close the ...
1
vote
2answers
196 views

Possible to detect an/or shut off CryptoLocker by limiting total network bytes transferred?

Since a virus infected PC has to download (encrypt) reupload the entire file (to a file server), and repeat the process for every network drive, is is possible to detect this unusually high bandwidth ...
4
votes
2answers
155 views

Difference/Relationship between data leakage analysis and vulnerability analysis?

What is the difference/relationship between data leakage analysis and vulnerability analysis? How much and what kind of vulnerability testing is required for data leakage analysis? I have to give ...
3
votes
2answers
1k views

Anthem Leak - How do I find out if I'm affected?

Recently, Anthem (A health insurance company somehow associated with Blue Cross Blue Shield and potentially other insurance providers that I am unaware of) was the victim of a large data breach. I've ...
1
vote
1answer
122 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. ...
6
votes
2answers
136 views

Invalid passwords leaked to logfiles

My company recently discovered that we're logging invalid login attempts, alongside with usernames and passwords. Those logfiles are stored on several machines and accessible to all team members. This ...
3
votes
1answer
169 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 ...
0
votes
2answers
78 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 ...
0
votes
2answers
73 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 ...
10
votes
1answer
2k views

Who is responsible for leaking my personal information to companies? [closed]

Lets say I have a couple of friends who I have in my address book and of course they saved me in theirs. There might be the obvious information about me like my phone number and my email address but ...
0
votes
2answers
4k 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 ...
13
votes
5answers
578 views

What is the risk of giving USB drives as promotional items by a healthcare provider

There have been a couple of instances where malware infected USB drives have been given away unknowingly as promotional items at conferences, e.g., IBM in 2010. Besides this, if a healthcare company ...
2
votes
1answer
7k 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 ...
43
votes
9answers
21k views

Are powerline ethernet adapters inherently secure?

I have 2 Zyxel PLA407 powerline adapters. Router is downstairs connected to one adapter, other adapter is upstairs about 30 feet away connected to a desktop. I have a house, not an apartment or ...
0
votes
1answer
49 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 ...
3
votes
5answers
3k views

Is running an erase tool after an OS install sufficient to ensure no data from the old install is recoverable?

How secure do you consider this process? A drive has data from a previous OS installation. A new OS installation is made on the drive, and Heidi Eraser is run on free space. What are the chances ...
1
vote
2answers
372 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 ...
16
votes
7answers
2k views

Why don't banks get hacked?

From reading a lot of info on this website I came to the conclusion that if someone with enough skill really badly wants to gain access somewhere, then there is absolutely nothing stopping them from ...
10
votes
4answers
941 views

Source code security

We have about 20 developers working in a heterogeneous environment, mostly using company laptops or desktops. We run Windows 7 on desktops/laptops and a mixture of Linux distros (Ubuntu/CentOS). ...