0
votes
1answer
61 views

Can benign software modify Widnows DLL files?

On Windows (XP, 7, 8, NT ...): can .dll files be modified (in any manner) by benign programs/software already installed/running on the computer ?
0
votes
1answer
78 views

Making it harder to scan on-screen QR-code from a distance

Say I have a QR-code on my laptop screen that I need to scan with my mobile device. Is there anything that can be done to make the on-screen code harder to scan from a distance? I am thinking for ...
0
votes
2answers
121 views

how to block ip from head or ping or get or post to webserver (using apache and windows)?

am using apache 2.4.9 latest with windows 7 i am using some modules like limitipconn_module security2_module but using wireshark i get unlimited request to busy my webserver (DOS) from some ip ...
0
votes
1answer
56 views

Does ASP.NET guarantee the integrity of a page's controls on a post back?

Say you have an ASP.NET page that lists the prices for certain items in labels. I know it's cringe-worthy, but say you took the price of the item from the label on the page to determine what the user ...
0
votes
1answer
52 views

TPM-esque Credit Card Solutions?

Lately, there have been a couple of projects which aim to replace all the credit cards in your wallet with a single smart device which will hold all of them, sync with your smartphone, etc. (Namely ...
0
votes
1answer
67 views

MITM attack in a star network with proxy server

My community centre has a public computer center. I am pretty sure that it's connected in a star topology with some switch in the center. It also have a proxy server which we need to enter a username ...
0
votes
1answer
615 views

Security with Single Page application

I am creating SPA application using Angular. This will serve my two purpose for middle layer on mobile as well website. Now trying to security my application from XSS, CSRF and also wanted secure ...
0
votes
1answer
78 views

What does this Snort rule do? [closed]

Rule-4: alert udp $EXTERNAL_NET any -> $HOME_NET 3333 (msg:"ET EXPLOIT Wireshark ENTTEC DMX Data Processing Code Execution Attempt 1"; content:"|45 53 44 44|"; depth:4; content:"|04|"; ...
0
votes
1answer
123 views

Apache redirecting to unsecure port

I have setup a test website in order to play around setting up SSL. The website is setup on a Windows host with Apache 2.2.20 with OpenSSL 0.9.8r, MySQL 5.5.37, PHP 5.3.28. The URL to the home page ...
0
votes
3answers
5k 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 ...
0
votes
1answer
68 views

Storing data permanently vs temporarily

My lecturer said that since hard disk space is so cheap these days, most organisations do not delete the data on the disk. Rather, they only logically delete it (remove the link to the data). If this ...
0
votes
1answer
47 views

Difference between binary malware and script-based malware?

I'm well aware in the concept of binary malware but I don't fully understand the idea of a script-based (or shell script) malware. I am more interested in the difference especially in how script-based ...
0
votes
1answer
76 views

Is installing malicious add-ons via drive-by attacks the only way to add new toolbars to browsers?

Some attacks on web browsers consist in installing new toolbars on the browser of the user (which is just a small aspect of browser-hijacking. My question: is installing (malicious) add-ons (via ...
0
votes
1answer
33 views

How VIP card helps in verification? [duplicate]

How does the 6 digit randomly generated security code from (disconnected) Verisign Identity Protection card help in verification/validation of any user? Why one cannot enter any random 6 digit ...
0
votes
3answers
121 views

What is the technical rationale behind intermediary email servers?

EFF's Survelliance Self-Defense (SSD) project has an illustration of how email over SMTP goes through intermediate mail exchange servers: AFAIK each intermediate servers is expected to add its own ...
0
votes
1answer
264 views

SElinux security context public_content_t for vsftpd

My understanding of SElinux context public_content_t is as public_content_t is required for files shared via a FTP server unless associated with a user home directory Here is my question Does user ...
0
votes
1answer
72 views

Enterprise Tracking of Devices Logged into WiFi

If I have a Bring Your Own Device policy, how can I track whose device belongs to each IP address? Do I need to collect information on all devices that use the WiFi system?
0
votes
3answers
87 views

Public key encryption vs Digital signatures

For same chunk of data, which one is faster? Public key encryption or digital signature? Confidentiality is not important. I am trying to achieve non-repudiation for the communication. Thanks!
0
votes
1answer
487 views

Cowpatty handshakes vs Pyrit

At the moment I have a strange problem: I captured a pcap-file, and pyrit and aircrack tell me that it contains a valid handshake. But cowpatty complains about not having a full handshake, thus making ...
0
votes
1answer
182 views

Sniff email content inside network [closed]

I use Cain and Abbel and I want to see the email content. If you help me becouse I don`t know to see the content. I see the email in the section password but I need to see the email content . I can ...
0
votes
1answer
160 views

Securing user postal address in a database?

I've been assigned a web project that deals with shipping goods between two parties. I am unsure what a secure database scheme (if any) would be for storing the recipient's postal address and whether ...
0
votes
1answer
91 views

Is it Possible for a Java Applet to Record Cursor Movements Inside the Applet? [closed]

I am using my mouse to interact with a Java applet in a browser. Clearly the party that owns the Java applet can record where I click inside the applet. What I'm wondering about now is whether it is ...
0
votes
2answers
226 views

Books to start the study of TCP/IP [closed]

I'm 20 years old and have no knowledge in the world of information security! I'm currently studying engineering and I've recently found what work I want to do (pentesting or a career in fields like ...
0
votes
2answers
517 views

PayPal phishing attempt?

[This is a "soft" question and as such I'm not sure it's appropriate for this site. However, it does involve information security.] I have an email address, me@gmail.com that is not associated with ...
0
votes
1answer
83 views

Create https session between server and client

I'm doing a project about security transactions and i'm wondering if to establish a connection based on https both client and server need to have a ssl implementation installed to preform the ...
0
votes
1answer
85 views

How can clicking a link in a Facebook users news feed compromise their account [closed]

I've been confused about how it is possible to compromise a Facebook user's account simply if that user clicks a link. Recently a friend of mine on Facebook posted a series of links to what appeared ...
0
votes
2answers
117 views

How does HTTP Basic Auth persist across pageviews?

I am familiar with the basic workings of HTTP Auth, but how does it keep track of authentication between page views? I see there is no cookie created when the initial authentication takes place.
0
votes
1answer
51 views

Can two parties sign each other's certificate and exchange without CA?

Is possible (and practical) for two users to create their own self-signed SSL certificates, exchange these certificates (perhaps in a face-to-face meeting), and then communicate with each other ...
0
votes
2answers
726 views

how can I stop someone from watching my internet history? [duplicate]

I use someone's wifi network. Is there anyway to stop him by getting my browsing information or can I somehow hide my browsing history from him?
0
votes
1answer
355 views

How secure is split tunneling on a VPN?

What protocols get encrypted and go through the VPN? Is it just port 80 and DNS traffic that does not go through the VPN? Does this impose any security risks by running a split tunnel? Making the ...
0
votes
1answer
100 views

Mobile authentication

I'm currently working on an Android app in which I want to authenticate someone against an REST API. I want to do this as secure as is (cost-)effective/possible/userfriendly. I've been looking around ...
0
votes
1answer
102 views

Security of starbucks gift card redemption feature

Someone sent me a Starbucks gift card. The email contained a redemption link, and that redemption link ended in a long secure hash, much like those on github secret gists. Clicking the redemption ...
0
votes
1answer
73 views

How should I validate an API key for a web service deployed via iframe?

I'm working on a small web service that provides some functionality that can be embedded in a web page with an iframe. As this is a subscription-based service, I'd like to be able to manage who can ...
0
votes
1answer
103 views

Gmail Voicemail Encryption

I want to listen to my voicemails in a secure but convenient fashion. I plan do this by having my PBX encrypt the voicemail using openssl aes 256 cbc with salt and a single static password. The ...
0
votes
1answer
49 views

Are there any exploits in Movable Type that allow the attacker to delete the movable type files?

I'm a developer for a web site; we have a small blog powered by Movable Type that we added a few years ago. The blog doesn't get a lot of traffic or attention; we just noticed a couple of days ago ...
0
votes
1answer
29 views

From a deployment and OPS perspective, should a S/MIME signing and encryption key have different expiration dates?

Assuming the client supports different keys, what is some rationale that should be considered for signing and encryption keys? The encryption key needs to be present on each device that is used to ...
0
votes
2answers
81 views

In addition to using strong hash algorithms, what is a good “password requirement”? [duplicate]

Assuming the use of bcrypt/scrypt: Would it be a good idea to "require" a password of at least 12 characters, also mentioning the possibility of using long passphrases, instead of your typical ...
0
votes
1answer
75 views

Is it possible to create a SMIME only PKI that *can't* be used for SSL?

Assume I have a Root CA that I want to share with hostile untrusted 3rd parties. Then constrain this root using specific EKUs at the root. OID=1.3.6.1.5.5.7.3.4 ; Secure Email Next, ...
0
votes
2answers
68 views

What type of probing sends GET /“ data ” to a server?

During monitoring of webserver logs I've stumbled upon those standard probings for wordpress exploits etc, like No route found for "GET /wp-login.php" (uncaught exception) No route found for "GET ...
0
votes
1answer
1k views

Kali Linux /etc/shadow encryption type used by default?

I know that shadow's file hash follows this syntax: $id$salt$encrypted Where ID is the algorithm used: $0 DES $1 MD5 $2a Blowfish $5 Shadw-256 $6 SHA512 My shadow: ...
0
votes
2answers
53 views

Is it secure to use email to add content to a website?

I have a website running a social network Buddypress. Users leave comments on other users "walls". What I would like to do is to allow users to reply to each other inside the email client, without ...
0
votes
1answer
120 views

Choosing the Path in IT Security [closed]

I graduated last year from an Informatics and Security degree program. This program was taken in a Canadian college. It equipped me with the basic security knowledge in all fields; networks, systems ...
0
votes
1answer
582 views

How is the new “Dyer” malware bypassing SSL?

Apparently the new Dyer malware is bypassing SSL to swipe bank credentials. I read that it's using "process hooks" to hook the browsers and see the data BEFORE it is encrypted and sent to the bank ...
0
votes
1answer
133 views

Wireshark: could “Follow TCP Stream” yield an empty window? or is it a bug?

I am capturing a pop3 netcat connection (port 110) using Wireshark, on Debian linux (Kali). After filtering packets with (tcp.port eq 110) I get few packets but once I R.Click on any and click "Follow ...
0
votes
2answers
85 views

Security of this account login system

I have an idea to implement a account system using email and passwords for games. Im intending to have the account creation and forget password systems on a webpage. So if users will have to access ...
0
votes
1answer
171 views

Block specific packets/sequences of packets to remove disturbing client “feature”

Recently, one of my client-server application started to disturb me with some very annoying "notifications". Basically, what happens is that the remote server sends a few packets to my client, which ...
0
votes
1answer
52 views

ACL managed with roles

I have resources in an application. Further I have a table holding all resources and for every resource what role is allowed to access it. I also have defined a Table holding all uses that are ...
0
votes
1answer
579 views

ECC Public Key length differs from bit representation

A 256 Bit ECC key-pair (256 Bit is supposed to be the length of the public key) generated with OpenSSL using this command from the manual: openssl ecparam -name secp256k1 -genkey -noout -out key.pem ...
0
votes
1answer
127 views

SNORT alert for Trufflehunter SFVRT 3:29312:1

I am seeing this Snort alert show up multiple times a day, but my Google-foo is failing me, as I can not find any information about this alert on the internet. Can anyone point me in the direction ...
0
votes
1answer
100 views

Beating CSRF using Tokens

I am new to web programming. I read an article where they advised to use tokens as a hidden field in forms and match that token at the server end to detect non-legitimate requests. I am wondering what ...

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