Questions tagged [security]

For questions asking for ways to protect animate or inanimate objects. Includes physical and cyber security. Use additional tags to denote the thing being protected.

Filter by
Sorted by
Tagged with
13
votes
12answers
3k views

Where would an identity implant be implanted in the body? And what would make it secure?

In this imaginary future, everyone carries an implant like an RFID chip that identifies them to scanners that then authorize access or orders. Today, such chips are usually implanted subdermally, ...
185
votes
40answers
28k views

How do I protect my shop from teleporters?

I live in a world where magic is common. Most people have enough magic to do simple tasks like lighting a candle or healing minor injuries. Higher magic is very rare, and those individuals mostly ...
23
votes
14answers
5k views

Castle Moat Full of Zombies

It's the modern day, somewhere in Europe. Guns are generally difficult get a hold of, and ammunition is not all that plentiful for the average citizen. The cities are death traps, and hordes of ...
64
votes
18answers
17k views

What would happen if an alien race gave us a computer capable of 2^256 calculations per second?

The security of public key cryptography relies on computers not being able to generate anywhere near 2256 guesses per any reasonable time length. The obvious implications of a computer this powerful ...
59
votes
23answers
14k views

How to prevent superluminal traveling idiots from wrecking half of the universe?

Linked but not a duplicate of this question. An example of the problem During the last Star-Wars movie, I was dumbfounded by the sheer stupidity of admiral Holdo's move, during this particularly ...
26
votes
12answers
7k views

Could a civilization without access to computers have cryptography?

There's a person who has enough working knowledge of our current real-world methods of cryptography (e.g. knows how a few modern algorithms work and could implement one or two from scratch). That ...
39
votes
25answers
14k views

Why might the government keep the gold at Fort Knox, even though super-villains steal it all the time?

So, I’m creating a world were superheroes, and villains, are real and exist in the real world. Everything else is the same, like the gold depository in Fort Knox, Kentucky, which brings me to my ...