0
votes
1answer
14 views

FIPS 201(-2): Central requirements for PIV?

I was recentely asked in the comments on some details on tamper-proofing of a smartcard in question. The term "FIPS-201" was used to specify what kind of details was needed. I understand that FIPS ...
4
votes
1answer
86 views

Why is logjam rated as “None” for confidentiality impact in CVSS?

The CVSS score for Logjam is (AV:N/AC:M/Au:N/C:N/I:P/A:N). As noted in that nice dynamic image interpretation, the Impact metric "Confidentiality" is described as "None" (C:N). But the ...
0
votes
0answers
24 views

Thinktecture IdentityServer security review [closed]

Has an independent security review been performed for Thinktecture IdentityServer, for design and code? Alternatively, does IdentityServer address the threats discussed in RFC 6819, OAuth 2.0 ...
1
vote
0answers
49 views

Why use oddly compiled ELF files for Linux malware?

I ran file on some Linux malware ELF files that I've acquired over the last couple of years. I noticed some oddities: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), statically linked, for ...
3
votes
2answers
44 views

Malware: extract private keys from smartcard?

We all appreciate smartcards because they secure private keys so they don't get exposed to the world. But in a production-environment it's often the case that smartcards are staying inserted for a ...
1
vote
2answers
124 views

Why do some programming language API's not support private key passwords?

Two questions: I've recently started building a basic Go web-server, and noticed that the API for starting a TLS web-server does not support a symmetrically encrypted private RSA key. The API is ...
1
vote
1answer
32 views

Secure connection between two clients with shared secret

I am creating a system where there are multiple clients, each of which has a secure connection to a central server which could pass out shared secrets to each of them. I could be wrong, but I am ...
2
votes
2answers
83 views

Is writing to /dev/null secure?

I am working on a web-service based crypto project in JAVA. The basic idea is for the client to send a SOAP request to a servlet to encrypt data. For data transmission I am using MIME/data-handlers ...
32
votes
6answers
6k views

What can hackers do with ability to read /etc/passwd?

On the exploit websites I see security analysts and hackers targeting the /etc/passwd file when showing the proof of concept. If you have a local file inclusion or path traversal vulnerability on ...
0
votes
0answers
28 views

Neighbors Internet Kicks My PPEOE Off [migrated]

Had this problem for almost a year now, and watched it closely, my internet vianet, runs just fine till a certain wifi shows up, always Bell023 when ever this wifi shows up my modem gets it's PPEOE ...
0
votes
2answers
50 views

Brute force time estimation - random sequence

I would like to ask if there are 2^1000 possibilities to choose from, how long would it take go through them all on average? (in terms of min, hours or years) Note: This is not necessary related to ...
0
votes
3answers
57 views

Why is shared less secure than open when it comes to WEP?

According to this post, Jeffrey Tippet (Microsoft employee) writes: WEP can run in two modes: shared and open. Despite the names, shared is actually less secure than open. Because of this, our ...
0
votes
0answers
23 views

Changing the signature on a cert or creating a key file from an existing cert [migrated]

I would like to create a certificate with a specific public key. I have another certificate which contains the public key I need to use, and I wish to change the signature on that certificate to a ...
-3
votes
0answers
33 views

Can't encrypt email [closed]

My friend has a problem described here: https://gpgtools.tenderapp.com/discussions/problems/18790-cannot-encrypt-an-email But the solution provided by this link did not work. What else can he try? ...
0
votes
0answers
17 views

Is the SanDisk ULLtraDIMM secure after power-down?

I found an interesting product last night called the SanDisk ULLtradDimm SSD (product page), which essentially claims drastic performance gains by plugging an SSD into a standard DDR3 memory channel. ...
2
votes
1answer
134 views

How to avoid ransomware

Malware files execute themselves after downloading them. Let's look at it from the point of view of a piece of ransomware like CryptoLocker, from Wikipedia: Crypyowall 3.0, uses a payload ...
2
votes
1answer
42 views

Issue regarding installation of SHA256 scertificate

Can anyone help me with the installation of SHA256 certificate? I have generated the certificate perfectly but there seems to be an error below: Kindly let me know why am getting the exclamation ...
1
vote
1answer
29 views

Padding of 802.11 packet with 0's in libpcap [closed]

I am trying to send probe request to Access Points.But whenever I send a probe request packet it is padded with 0's i.e I see two packets on wireshark for every packet I send : a non-padded packet and ...
0
votes
2answers
100 views

Hiding (Obfuscating) Java script [closed]

So i heard that obfuscating java script is useless and waste of time because anyone with a little of skill can decode your code. So i want to test that. This code will display a alert box saying hey ...
19
votes
4answers
3k views

How secure is Snowden's MargaretThatcheris110%SEXY password?

In an extra from Edward Snowden's interview with John Oliver, Snowdon advises that a good password to use is one such as MargaretThatcheris110%SEXY.. Also, on the Errata Security blog, Robert Graham ...
2
votes
0answers
12 views

How CERT.rsa is interrelated with PackageInfo signatures

I am a newbie in security and cryptography, but I am developing Android applications and now wanna to dive deeper into the Android security mechanisms. I am trying to understand how CERT.rsa (as I ...
63
votes
8answers
7k views

Unsubscribe safely

I have heard that is better to never click to any link in an email. Is it a bad idea to click to a unsubscribe link? What is the best way to unsubscribe to undesired mails?
1
vote
1answer
50 views

How to prepare FATCA data transmission files with open source tools [closed]

Here is the context: to transmit FATCA data to US IRS service the IDES protocol defines the following steps sign the XML Payload.xml file with enveloping signature, SHA-256 with RSA private key, as ...
1
vote
1answer
67 views

Can Windows 8 be PCI compliant?

I am in the process of getting PCI. I am in the last step in which I would need a secure PC on my internal network. All the scans I must run are only available through a plugin in browsers for Windows ...
1
vote
3answers
120 views

Why not fix Android root exploit? [closed]

I see many scripts for hacking Android device and getting root, critical access level. I see millions of people apply this to their devices and do not understand the risks. Why don't Android ...
1
vote
1answer
53 views

Cloud-based IM protocols / services saving messages encrypted on server which is decryptable only by user? [closed]

I am looking for a cloud-based (i.e. not end-to-end) secure IM protocol or service. The first one comes to my mind is telegram. Here is a quote from telegram's privacy policy: Cloud Chats ...
-3
votes
0answers
40 views

How do I decrypt a RSA-SHA1 code? [closed]

I am working on one project where I am having a RSA-SHA1 modulus code and Exponent value only. which is as follows: Modulus: ...
1
vote
0answers
58 views

Knowing the MAC adress of a stolen laptop [migrated]

Recently my HP 1000 laptop was stolen, is there any way to find its MAC address? I connected my laptop to a PTCL EVO (Pakistan) WiFi USB dongle, but in the device options there is nothing I could ...
4
votes
2answers
525 views

Confidentiality in Digital Signature

Recently I have been working on Digital Signature. Some common reasons for applying a Digital signature to communications are Authentication, Integrity and Non-repudiation. Does Digital Signature also ...
2
votes
2answers
212 views

Can malware provide hidden remote access to a user's desktop?

Is there a possibility that malware on a computer could be providing remote access to an external party without the computer user being aware? I.e., some kind of hidden active remote access tool? ...
1
vote
4answers
89 views

is it easier to eavesdrop on ethernet connection rather than wifi?

I heard someone say that ethernet connection is vulerable if someone can connect to your LAN, and that the traffic isn't encrypted in the way it might be if you're using WPA wifi encryption. Is this ...
1
vote
1answer
174 views

Why AJAX is not used to log in?

I'm wondering why AJAX is not used to log in nor register in most of the pages and it's used PHP reloading the whole page. Is it about security, or it's just that it's not practical at all?
2
votes
3answers
140 views

Email confirmation techniques in major sites

The way I understood traditionally for email confirmations to work is the user registers to the site with their email and then to login they must verify their email. If they have not verified ...
2
votes
1answer
44 views

Is FileVault 2 HIPAA compliant?

It looks to me like FileVault 2 uses AES 256 bit encryption for the desk. Does that mean that it meets the HIPAA "data at rest" standard? Is there something else I need to check about it?
1
vote
1answer
38 views

Can Hydra and Crunch be used in combination for HTTP-get-form? [closed]

I'm trying to recover my router username and password without resetting the router for educational purposes. I read that Hydra can be used for "brute-forcing" http-get-form authentication that most ...
-1
votes
0answers
55 views

Do you know any tip to accomplish this xss? [closed]

I have the following scenario: Test A: https://target/srv;?q=pwn%0Aalert(1);//&ref=B The result: <script type="text/javascript"> if ("pwn alert(1);//" != "") ...
1
vote
1answer
25 views

Why FATCA IDES “protocol” does not use RSA encrytion directly on Zip archive ?

Here is the context: to transmit FATCA data to US IRS service the IDES protocol defines the following steps sign the XML Payload.xml file with enveloping signature, SHA-256 with RSA private key, as ...
1
vote
2answers
69 views

ASP.NET session id strength

After reading this and this, I am wondering if it is considered secure to use the default ASP.NET sessionID as a means to authenticate the user. I know it would be better to implement ASP.Identity, ...
3
votes
1answer
56 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
0answers
253 views

Firebug and cURL [migrated]

I have been using Firebug and cURL for quite a while. Firebug is amazing to capture HTTPS POST request as opposed to a network analyser as it is aware of SSL/TLS negotiation. And cURL is amazing to ...
1
vote
1answer
56 views

DDOS Server Attacks & Domain Names

I'm currently with a web hosting account whose servers seem to be constantly down due to DDOS attacks. I check my analytics daily and I'm seeing a major surge in fake traffic for several of my URLs ...
0
votes
1answer
39 views

vpn and strong authentication, how does the two work as a pair?

Dont know. maybe I was to unprecise.... I basically am asking if a SSL-VPN solution is solving both the encryption and the authentication, like that the user authenticates himself to the vpn-client ...
0
votes
1answer
43 views

VPN and authorization [closed]

I wonder, if one should implement two factor authorization and encryption in a client-server solution, how is it done? Of course there can be many ways but some examples would be great. I imagine the ...
2
votes
0answers
39 views

Decrypting Bluetooth application data with the link key

I would like to read the application data exchanged between an Android device and a peripheral. I have managed to log the Bluetooth communication using HCI logger and open the corresponding .cap file ...
1
vote
1answer
14 views

Query on IPS reports

In the IPS reports i see multiple counts of the same exploit from the same source ip. I wonder why would someone continue to attempt exploiting a vulnerability when he must have realized in the first ...
1
vote
0answers
14 views

How to access files or getting rights access with NJrat

When I'm using NJrat to control my own computer, I can't delete, open or move some files. Are there some kind of security access I need to stop first? How can I change this to allow full access?
1
vote
0answers
29 views

Is it necessary to add CSRF tokens for REST API? [duplicate]

I have a few REST APIs for an iPhone app. It has a login and session management functionality. Currently the session has been tracked by a token set during login. Are REST services affected by CSRF ...
1
vote
1answer
40 views

LogJam hardening OpenSSH and testing it [duplicate]

I would like to harden my OpenSSH (clientsite) after the LogJam attack. I read this article https://weakdh.org/sysadmin.html and there is one paragraph, which says how to do that. Is this enough and ...
-4
votes
0answers
44 views

How to convert a 6 byte hexadecimal MAC address to a floating point using the equation REDACTED? [closed]

Is it converting each byte to integer and adding them?
1
vote
1answer
42 views

OpenVPN -cipher vs -tls-cipher?

I'm currently using the -tls-cipher command on server to only allow the cipher I want (TLS-DHE-RSA-WITH-AES-256-GCM-SHA384) but there is the command -cipher too, and OpenVPN's man page is not really ...

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