9
votes
2answers
2k 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
vote
2answers
1k views

Is there a way to be 100% sure that your computer is clean of viruses?

If your computer has been hacked or infected, is there a way of cleaning your computer and have 100% sure that it's clean? I heard that you can safely clean your hard-drive with completely wiping ...
2
votes
3answers
569 views

Can authentication in social networks through VPN defeat the purpose of the latter?

If a person uses VPN and authenticates herself to some social network through the VPN, doesn't she lose her anonymity for as long as the VPN session is used ? By losing her anonymity, I mean that her ...
9
votes
1answer
628 views

what is differential privacy?

Currently I have heard a lot about differential privacy but I am unable to find out what exactly it is in a non-mathematicians language. Up-till now my understanding is that it add noise to the answer ...
0
votes
1answer
170 views

Unknown Website Linking to my Local Files?

I recently discovered a website that I am in no way affiliated with linking to the files of my local website stored on an external hard drive. This unknown website is actually executing the scripts, ...
1
vote
2answers
6k views

iOS, Android, and OS X SHA-2 support (in the context of SSL/TLS certificates)

As there is currently a move away from SHA-1 being used as part of TLS, we're examining moving our SSL certificates, used to protected traffic in transit to/from our webservers, to use SHA-2. However,...
9
votes
4answers
14k views

Is it worth it to get paid anti-virus software?

With the rise in cybercrime, I am slightly worried about my computer security. I have been using open sourced anti-virus AVG for years and it has been doing well. Are anti-virus software like Norton ...
1
vote
3answers
494 views

is it possible to write php code in address bar and its gonna work? [closed]

Is it possible if i use in address bar this host.com?<?php unlink("/img/bg.jpg");?> or host.com?<?php rename("/bg.jpg","bg.png");?> if not then is there any way to do that?
1
vote
2answers
517 views

Does server RAM count as storage for PCI Compliance?

We are an eCommerce website. I'm working on our PCI compliance at the moment, and I'm trying, if at all possible, to argue that our organisation falls under SAQ A rather than D. We do not sensitive ...
3
votes
4answers
320 views

How do clients enroll using SRP?

From what I understand, one of the benefits or Secure Remote Password (SRP) is that is does not require reliance on certificate authorities. In a scenario where clients need the ability to register as ...
0
votes
1answer
846 views

Difference between password expiration and account expiration [closed]

If a password expires, the user can't access the account. If the account expires, the user can't access the account... So, what's the difference? Just that in the case of an expired account, I'd need ...
6
votes
2answers
1k views

Are smart watches secure?

My Pebble smartwatch, like many (most?) other smart watches, uses Bluetooth Low Energy (Bluetooth Smart, BLE, BTLE, etc) to communicate with my smart phone. There's some security in the link, ...
2
votes
1answer
1k views

How to Protect JSON Data [closed]

Hi I am using JSON on User Interface side. I want to protect that data. What are the possible ways I can protect my JSON. I have a scenario where I am having JSON Object with data on User Interface ...
1
vote
1answer
507 views

MySQL encryption without knowing key

I am currently struggling with how to correctly implement storage of encrypted fields in a MySQL db, without knowing the encryption key. The result I am trying to achieve is to encrypt certain pieces ...
0
votes
3answers
135 views

Do you need to use the same number of rounds for everyone with bcrypt?

I am going to be hashing user passwords on the client machine, and I would like the hash to be generated in 0.3 seconds. Do I need to find the number of rounds myself and make every user use this ...
0
votes
1answer
310 views

RSA vs ECDSA for VANET Security

I am doing a project on Vehicular Ad-Hoc Network Security (VANET). The proposed scheme uses electronic signature as a means to authenticating the nodes. Most of the research papers I read suggested ...
5
votes
4answers
510 views

Contact person by phone, when their phone might have malware

I have a problem setting where I want to contact a user by phone, and where I need to protect the integrity of the phone call as much as possible. I'm wondering about how to design the interaction in ...
4
votes
4answers
326 views

How do we know if the hard disk we just bought is “clean”?

When we buy a new hard disk drive, what steps can we take to ensure that it is virus-free? For example, there are many vendors selling hard disk drives on Amazon. When we purchase one, how do we know ...
4
votes
3answers
1k views

How is it on some removable media, when enabling/disabling password protection the changes happen immediately?

For example I have a WD Passport external hard drive. After installing WD security I can enable and disable password protection, however the settings basically get applied instantaneously. Does this ...
0
votes
2answers
116 views

Email rejected by the server [closed]

Emails from site such as Gmail and Yahoo are rejected from secureserver.net server and treated as a spam. Can you help me?
0
votes
1answer
256 views

Why not use client certificates for premaster key generation

The question is about a very specific SSL handshake scenario. I understand that some servers may request client certificates in order to authenticate connecting clients. However, as far as I can know, ...
1
vote
1answer
95 views

Base Programming for vulnerabilities

Hello, I am a beginner looking for some information. My question is the following: In order to understand certain security concepts is it essential that I understand the underlying languages? For ...
4
votes
2answers
3k views

Actually, isn't it bad to redirect http to https? [duplicate]

I have a two-part question about question #570288 over on ServerFault. Question: Is it bad to redirect http to https? Accepted answer (185 up-votes): [...] Hell no. It's very good. Part 1 ...
1
vote
1answer
125 views

Only one entry in No-SQL database needs encrypting

So I have the document format as follows: { id : plaintext, date-created : plaintext, data : binary } The data entry needs encrypting and decrypting. My idea was to have a private key, ...
0
votes
1answer
849 views

WPA/PSK Dictionaries

So i have been reading some articles on WPA/PSK encryption, And one said that the hash is calculated like this: Key = PBKDF2(passphrase, ssid, 4096, 256) Where PBKDF2 is a standardized method ...
9
votes
1answer
6k views

New to security, is php password_hash() good enough?

This is the first time I've had to handle personnel information and I want to make sure I have a good amount of security. I will be storing users' emails and passwords for their accounts on a MySQL ...
0
votes
1answer
54 views

Industry standards for threat names

One of the security appliances we own reports a so-called "Industry Name" for the threats it detects on the network. I wanted to know if there is really such a standard and where I can find ...
2
votes
1answer
3k views

Can a webpage read another page's cookies?

I was listening to Pandora as I logged in here, and the next commercial was about InfoSec. That set me wondering as to whether that was a coincidence (probably) or if they knew somehow. To make a long ...
0
votes
1answer
322 views

Cryptic threat names

I have logs from a security appliance from Damballa which has cryptic names for threats observed in a network which I am trying to make sense of. Some examples of these threats are "RedTreeBruisers" , ...
2
votes
2answers
558 views

Can sessions be handled securely with cookies disabled?

I've been doing some reading here about session ID handling, and have learned that it's generally a bad idea to include a session ID in the HTML source code, and/or on the query string. For example Is ...
0
votes
1answer
568 views

Zeus for iOS devices

Is there a known variant of Zeus which attacks iOS based mobile devices? I have read about versions for Android and Symbian , wondering if iOS is vulnerable to it as well.
-6
votes
2answers
89 views

Ips used by the same person?

Is it possible to find out if ips are from the same location and used by one person. We have a situation were three ips have been logged etc. We know for sure that two are from the same person this ...
8
votes
3answers
383 views

How can I allow acces to encrypted data if only 2 out of 3 users provide a secret?

I want to encrypt data, but make sure that no single user can decrypt the data. Further, it is important not to require ALL users to be present to decrypt. This will allow for some flexibility and ...
14
votes
2answers
3k views

How does Windows 8's Microsoft Account authentication work?

One of the new features to Windows 8 is the ability to log in to your PC using your credentials from a Microsoft Account. How is this implemented, and what steps are taken to prevent hijacking of ...
4
votes
2answers
3k views

How does DigitalOcean DNS verify the owner of a domain?

Say you purchase a domain on Namecheap, but want to host DNS on DigitalOcean. DigitalOcean, says to simply tell your registrar to use DO's nameservers, then set up your DNS for that domain on DO. ...
1
vote
3answers
156 views

Why does changing physical router not warn of possible man in the middle attack?

Situation I swapped out a dead router at home today. I setup the new router with the same SSID and encryption settings. The devices on my network acted like nothing had happened and are happily ...
12
votes
1answer
310 views

Securing a prediction about a future event

I want to make a prediction about a future event, but only reveal that prediction after the event occurs lest knowledge of my prediction affect the outcome. For example, suppose Alice predicts that ...
1
vote
2answers
775 views

Extracting Facebook ID or email from browser's history

While I was looking at my browser's history I noticed there has been a Facebook login from my computer, there are some Facebook related messaging and profile links in my browser history (chrome). The ...
0
votes
1answer
99 views

How strong is this encryption? [closed]

Given Dictionary containing 1000 three-letter words: dictionary=abc,def,ghi,jkl,mno,pqr... Randomly chosen words from the dictionary: 10-bits-passwords=abc,def,ghi Randomly chosen three words from ...
1
vote
2answers
900 views

On what layer should password hashing and/or encryption take place

I'm finding myself on the inexperienced end of a discussion about where password hashing takes place. My coworker drew a schema from less to more secure, where the Public Internet was the least secure,...
0
votes
2answers
228 views

DHE Verification

I'm just struggling to get my head around this. In certificate signing with static Diffie Hellman the public key and certificate information is sent to the CA who verifies the certificate ...
0
votes
1answer
233 views

HTTPS Proxy Everwhere?

I am configuring a HTTPS proxy, which I want to use for my laptop wherever I go. The idea is that since its encrypted, I should be safe from eavesdroppers, even on open wireless networks. Think of it ...
0
votes
1answer
129 views

To what extend can a DOS attack succeed even if it was detected?

While reading DOS detection and prevention http://staffweb.cms.gre.ac.uk/~lg47/publications/LoukasOke-DoSSurveyComputerJournal.pdf I've asked myself: Even if a firewall detects a DOS attack and begins ...
1
vote
0answers
427 views

Bouncy Castle C# API and NTRUEncrypt

I want to play around with NTRUEncrypt and I found this tweet that NTRUE is now part of bouncy castle. But I cannot find any proof of the existence in the source code of teh Bouncy Castle C# API, ...
0
votes
1answer
2k views

Protecting MYSQL with Fail2Ban? [closed]

I have a bunch Raspberry Pis collecting data from behind client firewalls. I want to start sending this data to MYSQL server. Because the Raspberry Pis do not have static IP addresses, I obviously ...
0
votes
1answer
365 views

A Question about Database Encryption [closed]

I've been looking around for an answer to this for some time now and I felt that this place would be a good venue to ask this. How can one improve the security in a MySQL database? The database that ...
1
vote
2answers
765 views

why are the first few characters of a DSA Private Key similar?

I noticed most DSA private keys often start with the same few characters, MIIBvAIBAAKBgQD . For example, generate a private key on Ubuntu, by running: ssh-keygen -t dsa -N '' -f /tmp/id_dsa This ...
3
votes
1answer
1k views

SCADA, ICS Specfic Testing Tools and Methodologies

I have been contracted to perform a security risk assessment that relates specifically to ICS and SCADA systems. I have performed many IT security risk assessments, however, I am new to assessing ...
1
vote
1answer
1k views

Distributed IMAP-Dictionary-Attack-Tool?

I have a client with a hacked IMAP-Account, and the attacker(s) made thousands of password-attempts, probably with a fixed set of passwords, from different IPs before they got in. After successful ...
0
votes
1answer
219 views

Hack profile identification

What does it suggest about a "hack" when people I know get emails from me, but my email password hasn't been changed to lock me out? (Not a spoofed sender - I see some in my sent folder). If my ...

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