0
votes
1answer
47 views

process/program execution anomalies

How could I know if a given program is malicious by checking its CPU occupation, RAM consumption, network connexions, registry entries ... etc ? Maybe an other way to ask this question is: when could ...
1
vote
1answer
108 views

Examples of software web clients (web browsers, IM clients, etc) written in “secure” / managed languages

After reading this article ("Everything is broken" by Quinn Norton) I was about to ask a question similar to this one (Why are security-crucial software written in unsafe languages?)... but actually I ...
1
vote
0answers
203 views

Are any major websites offering ECDSA authentication?

At the time the Cloudflare blog post “ECDSA: The digital signature algorithm of a better internet” was authored, Cloudflare was apparently one of "fewer than fifty" users of ECDSA certificates on the ...
0
votes
2answers
236 views

Programming languages for security? [duplicate]

I am a computer science student interested in the field of security and just had a few questions. What are the pros and cons for using C# for security purposes, I had assumed applications programmed ...
3
votes
1answer
689 views

How can I check if a Mac application has NX or ASLR enabled?

According to Wikipedia, the NX bit is set for all x64 binaries: OS X for Intel supports the NX bit on all CPUs supported by Apple (from 10.4.4 – the first Intel release – onwards). Mac OS X 10.4 ...
1
vote
1answer
280 views

Bluetooth Peripheral Vulnerabilities [duplicate]

I've read some interesting Bluetooth vulnerability questions, but I didn't notice one recently. Bluetooth has long been disabled in our organization, and I'm looking to enabling it because of repeated ...
9
votes
4answers
3k views

How does forensic software detect deleted files

How does forensic software detect deleted files? When a file is deleted, the pointer from MFT in NTFS system is deleted and the file is no longer accessible from the OS. If our disk is fragmented how ...
2
votes
1answer
216 views

I want a full time career in the field of security. The following is my plan. Any suggestions or modifications? [closed]

Currently, I have two years of experience in the field of IT and IT security. The type of work isn't what I expected when I was a student. Since then, I've asked people who work in this field, who ...
2
votes
1answer
130 views

Simple way to protect ssh against man-in-the-middle attack? [duplicate]

If a narrow, trusted channel is needed (for example, there is an usb key to take data between the machines), it is okay. Although SSH will throw a big error if it tries to connect to a server ...
37
votes
11answers
5k views

Sending passwords to someone remotely

As someone who usually works with people in other countries it has always been a problem to send login information to each-other. For development login details like debug databases etc sure I can ...
0
votes
2answers
214 views

Do drive by download attacks include malicious file downloading?

I read every where that drive by download attack consists in downloading malware to the victim's PC and execute it without the victim's permission. My question: does this "download" term include ...
3
votes
2answers
150 views

WHOIS Contact Details Abused

The system for the internet and the way people can abuse it is getting worse and worse. I am having several issues with people abusing the information within my WHOIS, which if I remember is protected ...
0
votes
3answers
342 views

failed Login attempts logic

I want to add security to the system login. So here's my idea: If a user tries to login with a valid username but invalid password, then count it as a failed login attempt and store it in the users ...
0
votes
3answers
397 views

What security issues will I face with outsourced VPS server?

Our small comapny wants to launch a paid service, hosted on the outsourced VPS server. The obvious risk is that the machine is physically not in our office and that possibly the database could be ...
26
votes
1answer
4k views

Is all data sent over SSH encrypted?

When you are connected to another computer over SSH, is all data transferred between the two computers encrypted? Or is any data sent in plaintext or any other "easy to intercept" format?
0
votes
2answers
99 views

SSL reconstruction with missing part

I know that it's possible to decrypt a sniffed SSL session even when some packets were lost during the capture. I run some tests with wireshark and I saw that it's still able to decrypt part of the ...
1
vote
1answer
198 views

Where can I find a list of checksums for windows files? Why don't MS sign all their executables?

Is there anywhere I can download a list of checksums for microsoft-published OS executable files, preferably grouped by release name? I could do the same by decompressing files on a windows setup CD, ...
3
votes
1answer
732 views

Syllabus for self-studying information security and Pentesting [closed]

I'm someone who's distant, industry-wise, from technology. I'm actually in the medical field. That said, I'm very interested in technology and specifically in information security. I'd like to make a ...
0
votes
2answers
114 views

How secure would this method be considered for password storage

Ok I am currently storing the passwords in most secure way I could think of. With use of Encryption and Hash. The passwords are first generated by user as plain-text with minimum length of 6 ...
1
vote
2answers
72 views

SSL security display

Why does Firefox not display the SSL logo when viewing secure sites, i.e. sites with Https? It used to display at the bottom of teh browser window previously but i just notices that that bottom ...
0
votes
2answers
352 views

Automated software hackers use to try passwords

Because of the eBay hacking, I had to go and look for other accounts that I have used the same password to change the passwords on those site as well. (I know that it's very bad to have same passwords ...
1
vote
3answers
234 views

Touch tone phone username and password

I just got off the phone with Fidelity, who manage the health benefits for the company where I work. Before talking to a person, I was prompted to enter my username and password on the numeric keypad: ...
4
votes
4answers
97 views

Proof that client app is using the recipient's public encryption key

I'm trying to implement a web app(lication), which allows to share data automatically with connected users. Data will be encrypted end-to-end asymmetrically on the clients. My first plan was to share ...
-1
votes
1answer
261 views

BigDump v0.35b vulnerability [closed]

I dont understand what the problem with BigDump v0.35b. This site says that it have problem. But i dont understand it. Problem here? if (!$error && isset($_REQUEST["uploadbutton"])) { if ...
4
votes
3answers
137 views

What benefit is there to adding a password to your SSH key?

If you run the following command on a Linux/Unix machine, among other things, you get a prompt for a password: $ ssh-keygen -t dsa Enter passphrase (empty for no passphrase): What does adding a ...
0
votes
1answer
67 views

Do software systems become more secure every year? [closed]

It seems to me that computer software is becoming more secure every year - there are fewer zero-day exploits to be found, many hacker-proof concepts are becoming widespread (such as virtualization and ...
2
votes
1answer
246 views

Any reason I shouldn't be salting and hashing before putting through bCrypt?

I've been reading up on password storage and such, and have come to the conclusion that I need to be using bCrypt. I've got an implementation working correctly, but I'm wondering the best way to move ...
0
votes
2answers
92 views

Enforcing password change

When a site gets hacked, or otherwise, the web site forces you to change your password. This is done by simply telling you to change your password, not enforcing it. Why do they do that? For ...
1
vote
1answer
88 views

what are security flaws on providing access to users through a unlisted/private/token/signed URL?

Some web applications enable registered users to grant temporal application access to un-registered users sending token/private/unlisted/signed URLs (I ignore the exact terminology for this), which ...
0
votes
1answer
314 views

Looking for Wepawet-like open source alternative [closed]

Is there any open source alternative to Wepawet ? I need to study techniques of JavaScript malware detection.
0
votes
2answers
200 views

How to compare encrypted private keys?

Is it possible to compare encrypted private keys if you do not have the passphrase? E.g.: openssl genrsa -out unencryptedprivkey.pem 2048 openssl rsa -in unencryptedprivkey.pem -aes128 -out ...
0
votes
2answers
358 views

Which default encryption does OpenSSL use?

If I create a private key via: openssl req -x509 -newkey rsa:2048 -out cert.crt then OpenSSL writes the private key to the file privkey.pem and if you do not provide the -nodes parameter it will ...
-2
votes
2answers
118 views

LAMP Stack Tiers - why?

What are the vulnerabilities mitigated by a tiered LAMP stack? As I understand it, any breach would allow access to the database even if it was tiered. What's the benefit? Are we better to ...
4
votes
3answers
718 views

PHP IP check as security?

Would just like some input on a PHP script I'm writing. It's just a simple script that only myself should be able to access. I don't have a dynamic IP address, so this isn't an issue for me, but I'm ...
1
vote
1answer
143 views

ISO and Password Security

I have to go through background check. The company providing the service to the client is called Verifications, Inc. Verifications, Inc claims to have a data security plan, ISO certification and US ...
2
votes
0answers
149 views

Why is AWS phasing out public/private key authentication? [closed]

I'm working on the authentication strategy for my app (again). My current strategy is a clone of the AWS strategy of issuing public and private keys and using them to sign requests sent to my API. My ...
2
votes
2answers
2k views

Using a TPM with Linux

I have the need for a company laptop (Dell e6540) that contains our java application on it to go out for evaluation purposes. For this reason I would like to make sure that the HDD is protected from ...
1
vote
1answer
333 views

Defend against Blind ROP

At IEEE Security & Privacy, the blind return-oriented programming attack (blind ROP) was just introduced. In some sense, this is just another variation on ROP attacks -- but the blind ROP attack ...
0
votes
2answers
524 views

Is possible to exploit C#, Java, Python or any language that is running inside VM (i.e. managed runtime)

Is it possible to exploit a vulnerable application that is running inside a process virtual machine? Let's say that we have buffer overflow vulnerability in a Java application but the JVM isn't ...
2
votes
2answers
1k views

Practical ways to prevent Denial Of Service attacks

I am an undergraduate Computer Science student and was hoping to gain some knowledge of ways to help prevent Denial Of Service attacks.I read about some of here: ...
1
vote
1answer
77 views

Data recovery from file collections [closed]

I am presently working as a summer intern. My first objective is, given a collection of files, recover and identify the file types present in it. To download sample pseudo-forensics data I have been ...
1
vote
2answers
766 views

Does gmail's TOS allow Google to steal your emailed ideas?

Is it unwise to use gmail to discuss business ideas that Google could snoop on and use to their business advantage? I know that email is not secure and anyone could read it along its path of ...
2
votes
2answers
139 views

Does having multiple nearly identical copies of an encrypted file make it easier to decrypt?

I store my passwords in an encrypted database file in the cloud. That is, my KDBX files from KeePass are stored in a cloud storage server, let's say it's Dropbox. Dropbox, whether they admit it or ...
3
votes
2answers
2k views

How could attackers exploit $_SERVER['HTTP_REFERER']

I've been warned that PHP's $_SERVER['HTTP_REFERER'] is a common attack vector for websites. What are ways that attackers exploit this function? How can I guard against them?
1
vote
2answers
184 views

Are our email credentials safe with email clients?

I've been trying out a few desktop email clients (Windows) to better manage my e-mail. As I tried Thunderbird, Inky, and Outlook, it occurred to me, what guarantee is there that my e-mail/pass won't ...
1
vote
1answer
2k views

Why does openssl enc -aes-256-cbc -a -salt increase the file size?

I'm using openssl enc -aes-256-cbc -a -salt for automated differential backups to Amazon Glacier. But I noticed that using this command increases the file size almost perfectly by 35%. In my ...
6
votes
2answers
3k views

How to pass PCI DSS 2.0 anti-virus requirement (5.1) on Linux?

PCI DSS 2.0 Requirement 5.1 states: 5.1 Deploy anti-virus software on all systems commonly affected by malicious software (particularly personal computers and servers). This requirement ...
2
votes
2answers
651 views

How can I identify which computers a USB drive has been used on?

Is there a way to find out in which and/or how many computers a USB flash disk entered. And if its possible can we find out how many times a file was read/edited. I heard that its possible , but I ...
2
votes
2answers
254 views

Secure way to grant access to WIFI network based on dynamic parameters?

I am looking for a way to grant access to a secured WiFi network, based on certain external information? For example, some server on the internet could store MAC addresses that ought to be granted ...
1
vote
1answer
93 views

What to put in outer volume of encrypted volume? [closed]

TrueCrypt offers the ability to have a hidden volume. What should go in the outer volume that would be revealed to an adversary? It's actually pretty tricky: you'd have to convince the adversary it ...

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