Tagged Questions

5
votes
1answer
120 views

Motorola Human Authentication Pill/Vitamin Security?

This appears to be hot news today, Motorola announced a form of pill that a user can swallow which is activated and powered by stomach acids and transmits a signal back which can be used to ...
2
votes
3answers
301 views

Is using Google Voice number for two-factor authentication a big mistake?

Two-factor authentication is growing in popularity as a security measure. For example, Google, Facebook, Twitter, and many other services all have two-step security options today as well as many banks ...
1
vote
3answers
116 views

Requirements for a smartphone anti-theft App

I recently installed Cerberus in my [personal] Android device to get some protection against theft (I'm not really interested in protecting its data, but rather in increasing the odds the device will ...
1
vote
1answer
92 views

What are my options for securely printing an OTP Scratchcard?

I want to print and distribute several One Time Passwords (OTPs) that can't be easily disclosed to a 3rd party in transit. (think the physical version of a TLS session for private secrets) To me ...
2
votes
3answers
513 views

is it possible to create a login “key” out of a USB drive?

I was recently thinking about keeping my computer secure from physical access, and i decided that the safest way to keep my data under lock and key, was to do just that: Create a lock and key out of a ...
1
vote
1answer
209 views

What makes a secure smartcard secure? Is contactless/RFID better?

In short what security features exist that I should look for in a smart card? What physical features exist, which are important? It appears smart cards may exhibit different levels of wear and ...
6
votes
3answers
149 views

Requiring Authentication to Exit

I've often wondered why facilities do not require authentication as a default on exit. Beyond the oblivious reasons: Fire safety policies would require a panic mechanism to override the access ...
19
votes
9answers
636 views

What's a good way to trigger a hidden 'distress signal' in instant messaging?

Here's the scenario: Alice and bob use Off-the-record messaging to communicate over IM. The have: Encryption Authentication Deniability Perfect forward secrecy They communicate after ...
18
votes
6answers
820 views

How to secure a WiFi network?

What do I have to do to secure a WiFi network? Is there any best practices? I have been recommended to use WPA2 encryption on the router, is that enough? What can I do to improve the security even ...