I have an NFC/RFID keychain that looks pretty much like this one:
When I read it with an Android app called “Nfc Reader”, it shows me a specific ID (always the same) and it says that these technologies are used: IsoDep, NfcA, NdefFormat…
I am thinking of adding URL shortening to my site.
Let’s say my database has already stored url as a plain string, this data was provided by the user and is arbitrary.
So a naive implementation in PHP might look a bit like this
$url = l…
WhatsApp has “recently” deployed end-to-end encryption using the Signal protocol, which is of course also being used by Signal itself. The related white paper (PDF).
Now this raises the question:
Is there still any security benefit to use…
I hope I understand the claims concept in general now after reading related articles on ADFS, certificates used for claims token signing etc. But here is what strange for me:
Claims are so abstract that in general form are basically usel…
In my home I have a router protected with WPA2-PSK (WPA2 Personal), using the passphrase.
When I try to log in to a page over the Internet (this page does not use HTTPS to log me in), all my data is sent in clear text (since I can see the…
Security is a critical component in all our products at Microsoft. An emphasis on strong security starts at the beginning of all our work, including threat modelling as part of the design process and the consideration of Apple’s own security recommenda…
When port scanning my iPhone I get an RST, ACK from ‘Spytechphone’ over port 8192, does anyone know what this port does? I can’t find any useful information.
[1] http://www.iana.org/assignments/service-names-port-numbers/service-names-po…
When I created an evil twin AP with an SSID of someone else’s Wi-Fi network e.g. MyWifiNet, I could see two APs on my phone/laptop with the SSID MyWiFiNet, however the legitimate one was secured with WPA2 and the evil one was unsecured.
C…
I am using the DPAPI C# ProtectedData class to encrypt some information stored in the database. I am using it both with and without the optionalEntropy. Encrypting the same data multiple times, the first 80 characters (~60 bytes, I belie…
I am building a single-page(React-Redux on FE, Rails-API BE) application which makes a bunch of REST API calls to get certain information for logged-in users. Some subset of that information (categorization database) is more confidential t…
