Details on how data is being kept in memory/on disks, most frequently being applied to databases, media banks and backup-recovery solutions.

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1answer
8 views

Safe storage service for private keys

Is it currently technically (as opposed to financially) possible to provide a fairly secure means of providing a storage facility for private keys, not excluding physical verification etc? As in, you ...
0
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1answer
85 views

How can Stolen Laptop tracking softwares survive OS reinstall?

Some softwares such as Computertrace claim that it can survive on a laptop even if the thief successfully reinstalls the operating system, reformats the hard drive, or (in some laptop models) swaps ...
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0answers
32 views

Location of android screenshots (Backgrounding) [closed]

I read somewhere that, in android phones once we press the home button android takes a screenshot of the current working screen in order to show us that as a thumbnail later while we are listing the ...
1
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1answer
90 views

Does anything stop applications from reading your saved passwords and cookies from your browser's AppData folder?

Obviously the first answer is "a malicious application can do much worse than that." However, it seems like a really easy thing for an application to read your cookies, saved passwords, etc. from your ...
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1answer
28 views

Battery Backed SRAM (and Digital Forensics)

Is it feasible to create a portable battery powered drive out of RAM that could sustain its data via the charge of a battery? From my understanding it doesn't require much power. Combining this ...
0
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1answer
13 views

Can I store a GPG revoke certificate online?

It's clearly a good idea to store the revocation certificate in a way which is both secure and reliable. Cloud-based storage services are great for reliability, but of course they lack of security. ...
3
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2answers
176 views

How Securely Store Sensitive Data on Mobile Appliation

i want to develop a mobile bank app (windows phone, android, ios) that interact with bank channel. first time when user opens application the key exchange process begins and at end of this process a ...
5
votes
4answers
198 views

Are there any disadvantages to encrypting the password hash?

Is encrypting the password hash in database more secure than storing only the hash? Suppose we store encrypted SHA-256 result with AES instead of hash directly. Is this a good protection from a ...
0
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1answer
30 views

storage of client credential on OAuth2 server

I'm developing an API and used a recommended implementation of OAuth2 protocol: PHP OAuth2 Server. This library stores client ID and client secret as plain text in a database table. Note that I ...
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2answers
76 views

Key Management/storage system

In my firm we have a couple of thousand hardware devices, installed externally, that all send back data to a central server. They send back data about every hour. Each of these hardware devices ...
3
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1answer
73 views

How to store client secret securely on application base in Windows?

I would like to store valuable client data (ex. passwords, OAuth tokens) in a way that they will be accessible only from one application (separation on application base). The mechanism must be ...
2
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2answers
169 views

Security of Microsoft OneDrive

A friend asked about putting some of his data on Microsoft's OneDrive. I did some research, and what I learned seems very surprising. It appears that all the user data on MS OneDrive is store ...
11
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3answers
2k views

Why are drives overwritten three times when being disposed of? [duplicate]

I am looking at the secure disposal of old flash drives, and one of the standards I have come across says that they should be overwritten three times. Why is one time not enough? I assume doing the ...
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3answers
311 views

Is Firefox Password Manager less secure than LastPass?

After installing the LastPass password manager, I am presented with a login dialog including the option to "Disable Insecure Firefox Password Manager". (This option appears as long as the Firefox ...
6
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4answers
95 views

Where should a team store server credentials [duplicate]

Imagine we are working in a team of around 5 people. We all install new servers on a monthly base and need to find a better way of storing and sharing the server credentials ...
1
vote
1answer
112 views

Secure backup on online Cloudstorage

i own a small private server (@home) with all necessary features for my backup purposes (Owncloud, SVN, GIT). My target now is to ensure the safety of my data in emergency cases like fire/flood. For ...
3
votes
3answers
237 views

Is it ok for software to store passwords locally in plain-text?

There are already plenty of questions about what to do when websites store plain-text passwords. But this one is a little different. I use a piece of open-source (see below) software for playing ...
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1answer
84 views

I want to encrypt content on USB or SD Card [closed]

I want to encrypt the content on a USB or SD card that can only be decrypted by an app installed on any device or TV. When the USB is not connected to that particular app, it should not be accessible. ...
1
vote
1answer
21 views

Can I keep large encrypted files in my mailbox on mail provider server?

Is there any restriction or policy of large e-mail providers (such as GMail, Yahoo, Hotmail and similar) for keeping/storing large encrypted files by the users within their disk quota in 3rd party ...
2
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2answers
121 views

Password verification scheme (used in eg. MS Office) - more secure than just a hash?

Usual password verification schemes stores a salted password hash and the salt. If the hash is good and computational costly, it is considered secure. However an alternate version (used in Microsoft ...
6
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1answer
264 views

How could a system be zero-knowledge?

I'm actually interested about zero-knowledge storage system. Those system where the storage provider claims he can't have any access to the data stored. As far I know, the data are encrypted using a ...
4
votes
4answers
344 views

Does Windows have a built-in password store?

What passwords are stored in Microsoft Windows? How can I know what password are saved in computer?
1
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1answer
102 views

Can any malware access the OSX keychain data

I'm working on a security project. I have sensitive data that I would like to store in OS X's keychain. I'm able to add the data programmatically into the OS X keychain by using RHKeychain. But after ...
0
votes
2answers
122 views

Store a file on a harddisk without root having access to it

Is there a way to store a file on a disk as a user so that even the root user has no access to it? I tried EncFS but that is no solution because the root user can switch to every user, so he/she can ...
39
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8answers
6k views

What are some considerations before moving personal data to Google Drive?

I am considering uploading some (all) of my digital personal data to Google Drive. I guess this would instantly grant access for NSA to my data. (Is that right?) Who would have access to my data on ...
1
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4answers
417 views

Storing CVC / CVV / CVV2 until payment is processed

I need to store the payment info of a transaction. We have a script that reads which transactions haven't yet been sent to our ERP (the business management software), to then send it. This script ...
0
votes
2answers
76 views

securely storing password in a file

I am working on making a log file for a small application. If an error occurs in the application then I have to send a mail to a person. I've figured out the code to send a mail to a person, but I ...
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0answers
51 views

Securing server from attacks and linking while allowing users to upload and store personal files?

I have read some questions and answers about uploading images specifically: Have I done enough not be compromised through image uploading Risks of a php image upload form Uploading images safe of ...
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0answers
130 views

An Efficient and Secure Dynamic Auditing Protocol for Data Storage in Cloud Computing [closed]

I am doing research on this topic and have to submit research paper in my college. I've googled many times for relevant material but didn't find anything suitable. Here are some key features : ...
3
votes
3answers
196 views

How can a site know about insecure password?

I received an email from my web host recently that informed me I had an "insecure" password on one of my email accounts and that I had to change it. Their definition of what a secure password is as ...
1
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0answers
39 views

Storing Tenants Cloud Keys In a Database

Imagine you are building a public service where you need to store the customer's cloud credentials(like their aws secret and access keys) in your database to regularly use by your backend services in ...
1
vote
1answer
112 views

Hashing password for secure storage (generating salt)

I wanted to check if the following means of generating a hash for storage of a password was secure. I have an username and password combo. In order to generate a secure hash, I am doing the ...
2
votes
1answer
178 views

HIPAA compliant blob storage architecture

There is a task to design a system to store sensitive data securely (should be HIPAA compliant in the future). It's just a draft - this will not be used in production in a foreseeable future. I have a ...
2
votes
1answer
74 views

Tools for Verifying Secure Deletion

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 ...
3
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1answer
194 views

Safe ways to store passwords without hashing them

I'm working on an email client for Windows, and to send emails, my application needs to have the email address and the password of that email address. When the user gives his password, I store it ...
5
votes
1answer
305 views

Is the SD card write protection hard-wired or optional?

According to Wikipedia, the SD card reader recognizes if the little tab on the left of the SD card is in the "lock" position or not. Thus, a SD card reader can still write on the SD card even if the ...
0
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2answers
328 views

How do you protect strings in code from users decompiling them and seeing them [duplicate]

For an example say we have an application such as a client based application which connects to an API using an api key. We are saying for this purpose there is no OAuth. How would a string or in this ...
2
votes
2answers
204 views

Locality Sensitive Hash (LSH) function to approximately match old passwords

Recently, I ran across a website that requires me to change my password after X number of days had passed since I had last created one. Intelligently, the service made sure that the password did not ...
1
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1answer
171 views

Are there any secure ways to store the secret key used in a TOTP scheme?

I'm writing a little webapp that demonstrates 2 factor authentication. I'm using the TOTP protocol as described in RFC 6238. In our scheme, we are storing, in addition to a b-crypted password hash ...
3
votes
2answers
124 views

How can I ensure that Dropbox is using only its folder?

I'm using several cloude storage services, like Dropbox. Each have windows app for its synchronization, and this app actually can read anything from my disc, not just files from its 'synchronized' ...
8
votes
2answers
662 views

Is it really secure to store API keys in environment variables?

This site says it is best to keep API keys in environment variable out of the code. And here Storing Credentials Securely You should take great care to ensure your credentials are stored ...
1
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1answer
167 views

What are the implications of storing sensitive data in bookmarklets?

While discussing alternatives for asking the browser to remember your password, one guy suggested using a bookmarklet to store users' credentials. The original answer is in portuguese, but I'll ...
5
votes
2answers
662 views

Encrypt user data when they log in with Facebook, Gmail, etc

I made a login system. The user can login by: using a normal email / password (bcrypted). using a service like facebook, gmail, etc. So far so good. Now I want to store sensitive information (ftp ...
0
votes
3answers
116 views

Best way to store passwords for a LAN tool?

I am making an app in Python for linux as a front end to the router (to automate some tasks). But I need to log in to the router before I can do any operations on it and since it uses a http-auth I ...
1
vote
1answer
116 views

How secure is the web-based file browser that comes with my NAS?

I have a Buffalo Linkstation Pro 2 Duo for home use. It has a web GUI for browsing the contents of the NAS (distinct from the admin interface). The idea is that you would expose the web GUI to the ...
0
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3answers
234 views

How to store user credentials like Mint.com [duplicate]

If you have a website that need to store user's credentials for other sites, how do you store those credentials securely? An example is Mint.com where you give them your username/password for your ...
3
votes
2answers
318 views

How secure is the private storage of a mobile app

Are there any know security flaws/hacks to gain access to the private storage(file system or SQLite database) of Android and iOS applications? What measures do Google and Apple take to "prevent" ...
5
votes
2answers
485 views

What SSD maker has implemented Secure Erase to spec?

I have a Kingston hyperx drive circa 2012. I kicked off a secure erase on it. I then remounted the drive and was horrified (well, not really more like bemused) to see my whole parts of my old file ...
0
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3answers
233 views

Storing passwords and other data for coworkers

At the moment we are encrypting our server passwords and other important data internal via PGP. Every coworker has got his/her own private key/pass combination set up on their workstation. The problem ...
3
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1answer
123 views

Optimise user data fetch using S3

I'm writing a mobile app that communicates with my server using REST. Upon every launch, the app makes a call to the server api to check whether there was a change in the user details (using a ...