2
votes
1answer
68 views

Can multiple transactions of the same amount in a short time be considered fraud/corruption?

Back story In South Africa there is a website where I can buy prepaid electricity online for my apartment. When buying I did not get the token to use on my metered box. I had a chat with them today ...
2
votes
0answers
57 views

Protecting against specialized Keepass attacks

If you look at the KeePass security information, it says: However in all the questions above we're assuming that there's a spyware program running on the system that's specialized on attacking ...
2
votes
0answers
58 views

Are there public honeypot logs that I can look at? [closed]

Is there a place online where I can see other's honeypot logs and what kind of activities those hackers were up to?
2
votes
0answers
40 views

Smart web spider? [closed]

When testing a web app, I often start with spidering the app in order to get an idea of the structure of the app. What bothers me with that approach is that thal all spidering tools that I tried are ...
2
votes
0answers
16 views

If I encrypt my Mac hard drive using File Vault, does it also encrypt deleted data? [duplicate]

Or is the data that was deleted before the encryption process vulnerable to recovery?
2
votes
0answers
793 views

Can SSH tunneling over DNS tunnel work in China to use free WiFi at airport?

I have followed a tutorial here: http://ebnj.net/sshoverdns/ This tutorial tells us how to carry all internet traffic via DNS tunnel if your airport enables no-limit outgoing DNS. This guides us to ...
2
votes
1answer
132 views

Strange CA certificate prompt

My network went down for a minute today, then this window popped up: Can someone here clarify this for me? I was using firefox. I had google, youtube and outlook open. My name isn't even close to ...
2
votes
0answers
28 views

Are deleted offline calendar events in Android actually deleted?

When an Android app deletes a calendar event in a local (offline / non-synced) calendar, does Android's Calendar Storage (com.android.providers.calendar) actually delete the event or does it just flag ...
2
votes
0answers
68 views

Yubikey with gpg2

I recently purchased a Yubikey 4, which is working great for U2F and a static password, but I'd like to use the PGP Smartcard functionality as well, so I connected the Yubikey to my computer and ...
2
votes
0answers
45 views

What is the current consensus on storage of primary credentials or long-lived cryptographic tokens?

The problem: some environments need to use plain text credentials or long-lived tokens in order to unlock a specific functionality. Examples include third party legacy services which need a login/...
2
votes
0answers
66 views

Angular XSS not evaluated

Using an older version of AngularJS : 1.2.21 from example, there are some playload that can generate an XSS. {{toString.constructor.prototype.toString=toString.constructor.prototype.call;["a","alert(...
2
votes
0answers
121 views

Security Questions I should be asking my developers [closed]

I am looking for a comprehensive list of security related questions I should be asking my developers. I have done some research on the net and have yet to find a great list of questions I should be ...
2
votes
0answers
90 views

Diffie Hellman Key Exchange in a messaging application

I'm currently a student that is trying to develop a messaging application on android using java that will implement diffie hellman key exchange in order to ensure that they both will be able to ...
2
votes
0answers
45 views

Algorithm to generate (and verify) string of 4 quad alpha numeric code

I am writing a system, for which I need to generate unique transaction numbers (which can be verified by myself). I want to use something similar to that used by credit cards, where a string of the ...
2
votes
0answers
62 views

How exactly does “Apache Shiro's” hashing work when using a Desktop-Client

I was looking at this question How does storing hash passwords work? and every answer essentially says that Hashing is done via the server, or most of it should, as that is the safest way to do it. ...
2
votes
0answers
15 views

Distributed Shared Secret for RNG that only Distributor knows?

For one of my projects I want to create a way to sync up all participants' RNG with a seed where each participant does not know the seed of the RNG but also in a way that minimizes the number of times ...
2
votes
2answers
34 views

How can IPSec provide confidentiality between two hosts on private networks?

Can you use transport mode with IPsec processing to provide confidentiality between two hosts in geographically separate private IP networks? I have read somewhere that transport mode is the default ...
2
votes
0answers
23 views

How can I ensure that phone app traffic is using HTTPS? [duplicate]

When I access a website, I know just by looking at the URL whether it's HTTPS or HTTP. If I'm using an app on my phone, I cannot see this. So if say the app wants me to enter a password in to create ...
2
votes
0answers
91 views

UDP flood from my own IP

A few moments ago I was trying to open Youtube when the browser (Chrome) notified me that I have no internet connection. All of my cable connections were OK. I disconnected the cable from my computer ...
2
votes
0answers
48 views

Why more Android applications (compared to iOS) use certificate pinning? [closed]

I used mitmproxy to test the same 50 apps on iOS and Android and noticed that more than 50% of the Android applications compared to 23% of iOS, used certificate pinning. Is there any explanation as ...
2
votes
0answers
69 views

How to enable self signed certificates in Windows 10?

I want to use a Yubikey 4 with Windows 10 Pro for Bitlocker and login with my TPM. Unfortunately, I found out I need to enable self signed certificates and all the guides on the Internet I found were ...
2
votes
0answers
145 views

Unknown MAC in network

A few days ago, I noticed an unknown MAC address in the statistics page of my home router. The OUI lookup yields Cisco as manufacturer. However, I don't have such a device in my network -- actually, I ...
2
votes
1answer
145 views

HTTPS iFrame embedded in HTTP page - PCI implications?

I'm currently volunteering at a nonprofit. While researching something unrelated, I noticed that a $sisteragency was using an embedded iFrame to accept online donations. While the frame's source uses ...
2
votes
0answers
37 views

Something phishy going on with email [duplicate]

I own my own domain. For a month or so I've been getting emails from addresses I don't know with "see attached image" or "find the attached invoice", with a zip/rar file attached. Of course, I ...
2
votes
1answer
48 views

CVEs aggregated by programming language?

Is there a way to search the CVE database by programming language? For instance, I'd consider CVE-2015-4852 to be a Java-specific vulnerability as the scope of the vulnerability is the commons-...
2
votes
1answer
77 views

Samba open ports, not being filtered

nmap scan of my ubuntu computer, output when ran with -sV: 139/tcp open netbios-ssn Samba smbd 3.X (workgroup: MEDIAPC) 445/tcp open netbios-ssn Samba smbd 3.X (workgroup: MEDIAPC)...
2
votes
0answers
85 views

Configuring Chrome to handle ETags like Safari

ETags can be used for tracking, but I happened to notice that Safari handles them differently from Chrome (and Firefox). I believe it's non-standard because it doesn't work across domains. If we ...
2
votes
0answers
25 views

What are the risks of using an untrusted https connection? [duplicate]

Assuming the user realizes the connection is unsafe and doesn't send any secret data to the server, are there any risks of connecting to a website without a valid certificate using https? Does that ...
2
votes
3answers
99 views

Does a reverse proxy pass keep the backend server anonymous?

If I have an NGINX server at 1.1.1.1 and in the NGINX server you have the config that forwards on http traffic to 2.2.2.2: upstream 123 { server 2.2.2.2; } server { listen 80 default_server; ...
2
votes
1answer
57 views

How can Heap Pollution cause a security flaw

I came across this rule in the CERT Secure Coding Standart for Java. Heap Pollution. I understand this can cause the programm throwing an exception at runtime, but i can't understand how this could ...
2
votes
0answers
296 views

How can I protect my home/office computer against row hammer?

Row hammer seems to affect ECC memory less, but ECC is still not immune. I have heard of software mitigations like ANVIL, but that doesn't seem to be 100% row-hammer-proof either. What software or ...
2
votes
0answers
40 views

How exactly does format string vulnerable code read data from stack?

If we have a code like printf(buffer) where the user can control the buffer, I understand that the user could insert something like AAAA%08x%08x%08x... and would as the output get the content of a ...
2
votes
0answers
50 views

Prevent external script from loading using Burp

I am using free edition of Burp Suite to analyze some requests. Suppose, website is https://www.example.com. Now, there is a javascript file in https://www.example.com/templates/scripts/xyz.js. I ...
2
votes
0answers
34 views

Disadvantages of self signed and cross signed certificates? [closed]

Can anyone explain what are the disadvantages or loopholes in self signed and cross signed certificates?
2
votes
0answers
38 views

Was the OSX/iOS Airdrop flaw real?

One exploit has caught my eye, mainly due to the possibility of malware incorporating it infecting businesses and schools. This exploit is, as you may have guessed from the title, the OSX/iOS Airdrop ...
2
votes
0answers
114 views

Combining id_tokens and access_tokens for new auth spec

A common misuse of OAuth2 is as a strict authentication protocol. OpenID Connect addresses this by extending OAuth2 to include an id_token. Implementing clients for OAuth2 and OpenID Connect is a ...
2
votes
2answers
109 views

What is web application security best practice for HTTP Get request? [duplicate]

If I have web application GET URL which gives me details of particular user. What is more secure / which is good practice? eg. www.xyz.com/user?id=10 or www.xyz.com/user?fname="abc"&lname="...
2
votes
3answers
146 views

I want to start learning fuzzing windows applications, where should I start?

I got my B.Sc. in computer science and I am familiar with basic assembly language. I want to start learning about how to find vulnerabilities in Windows applications, e.g. buffer overflows, use-after-...
2
votes
0answers
74 views

If I clear my browsing data, is HSTS protection removed?

I've seen that if I delete cookies and other data on Google Chrome, SSLStrip+ works successfully on those web sites that are not included in the browser list. Is it because HSTS data is cleared too?
2
votes
0answers
60 views

How to inject XSS using Response Splitting in the following scenario?

I have been pentesting for a company. I found a CRLF injection that could be done using %E5%98%8D%E5%98%8A instead of %0d%0a. So I'm using %E5%98%8D%E5%98%8A in redirection parameter for CR/LF. Here ...
2
votes
1answer
67 views

Deliberate Vulnerable Openstack images for penetration testing/training or research

I was just wondering if there are already deliberate vulnerable Openstack images for penetration testing/training or research. Something in line with OWASP's DVWA e.t.c....there quite a lot out there ...
2
votes
0answers
26 views

Is it a bad practice to not use a separate database server? [duplicate]

An isolated environment for just the application data sounds good, but does it have a significant security advantage compared to the everything-in-one-place model?
2
votes
2answers
80 views

Restore GPG key after exported to a smartcard

After exporting my private key, I moved my private key on a smart card using keytocard. This worked fine, and I could sign and use GnuPG as expected. Now I would like to go back to have the private ...
2
votes
1answer
122 views

Can an attacker make in-app-purchases of my products in their app?

My iOS app needs to store a pre-shared secret. It cannot embedded within the App Bundle itself because it could be extracted by statically analysing the bundle. Apple's In-App-Purchase system allows ...
2
votes
0answers
28 views

Continuous integration SaaS security considerations

How do CI SaaS products protect themselves from bad actors? When a CI server builds and tests arbitrary code, how can we be sure this code is not some sort of exploit? Are CI companies like Travis ...
2
votes
0answers
42 views

Where can I get a list of obsolete and end-of-life software?

As per title. My objective is to check a large number of Windows endpoints/hosts for existence of obsolete software. Can anyone let me know if there is a list somewhere or any software that can help ...
2
votes
3answers
180 views

Business process based risk assessment methodology for iso 27001:2013 [closed]

I am working on an isms implementation for iso 27001:2013. So far whatever risk assessment approaches i have used asset based in which methodology focuses on asset value evaluation, threats, ...
2
votes
0answers
59 views

How secure is PHP IMAP? [closed]

I'm working on a project for one of my customers. They want a web environment where the site searches for specific emails for specific users and makes the attachments of those emails accessible to ...
2
votes
2answers
64 views

Does having multiple 'memorable info' answers reduce secuity?

I use a website that on top of requiring a username and password also requires 'memorable information'. When signing up I provided multiple pieces of memorable info as answers to multiple questions (...
2
votes
0answers
33 views

The optimal settings of Winrtgen GIU

I'm working with Winrtgen GIU on windows, but I can't fix the right settings to create a rainbow table for a: password length=1-7 Charset=alpha numeric all space What are the ideal values to put in ...

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