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Nov
21
comment Are 2FA soft-tokens flawed if the user can log into the website from the same mobile device?
@Nowen - which would still be entered on a compromised device and thus provide 0 to almost 0 additional security. It only prevents a non-persistent remote exploit of the device, which is a very, very small use case of protection. More thoroughly, it only helps you when there isn't key logging on the device, in which case the password for the site wouldn't be compromised and the 2FA token compromise wouldn't matter. There is literally almost no situation (if any) that WiKID's password on the token helps anything.
Nov
21
answered Are 2FA soft-tokens flawed if the user can log into the website from the same mobile device?
Nov
20
reviewed Close Protected excel sheet is unprotected without permission in google spreadsheet
Nov
20
reviewed Close Should one worry about using an outdated version of Firefox?
Nov
20
reviewed Close Penetration Testing on Thick Client Application
Nov
20
reviewed Close Advice on if I should talk at my local user group about NIST, InfoSec etc
Nov
20
reviewed Close bscrypt,scrypt v/s iterative SHA-x
Nov
19
revised storage of client credential on OAuth2 server
added 404 characters in body
Nov
19
answered storage of client credential on OAuth2 server
Nov
18
reviewed Close What is a DNS poisoning attack and how does it work?
Nov
18
reviewed Close Notifications (RSS or mailing list) of CVE with high scores for Windows and Red Hat?
Nov
18
reviewed Close How to remove Version Information from Encrypted OpenPGP message in Windows?
Nov
18
reviewed Close Should I Use Base64 or Unicode for Storing Hashes & Salts?
Nov
18
reviewed Close Old e-mail text types itself back into PC later by itself?
Nov
18
reviewed Close How to be secure on a unsecured wifi?
Nov
18
reviewed Reject suggested edit on Best practice in web application security authentication to avoid bruteforce attack
Nov
17
comment Is Chip and PIN still Broken
Note that this doesn't actually break Chip, just allows an arbitrary PIN to be used if the merchant and issuer don't exchange information about the method of card holder verification. All it would take to fix this is to introduce the ability for the merchant to communicate this to the issuer for any issuers that include the verification method in their transaction data. You still need to have the actual card to make use of it though, so even without any change it is still more secure than mag stripe which can be cloned.
Nov
17
comment Question regarding SSL / TLS / Certificates in general
Adding some clarification for you. Yes, check the main How does SSL/TLS work, but the AES identifies the actual symmetric key used, but that is established by a key exchange which occurs using the certificate. The certificate is what you were making in openssl.
Nov
17
comment Is it possible that authorities can't block a certain website
It wouldn't even be possible to tell who watched it if the stream is encrypted. Multicast streaming doesn't work over the open internet and I don't think TOR has support for it either, so you would need to establish a unique connection for each viewer and the encryption would make it impossible to checksum to identify content. You could possibly length match, but some basic padding on the stream would destroy that.
Nov
14
reviewed Close Can I ever hope to be secure using a cell phone or any mobile device?