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.

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6answers
204 views

Storing information in the future; was it safer in the past? [closed]

I work in IT and I'm grateful for the many conveniences computers have brought into my home and workplace. While doing some research on encryption and the pros and cons of encrypting your hard drives ...
16
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14answers
4k views

How might you hack this voting protocol?

There is a society with about the same technological development as we have today, but they are more civically-minded and more astute when it comes to security issues. They are also democratic and ...
1
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1answer
102 views

Breaking in with sleight of hand [closed]

You can perform perfect sleight of hand and pickpocketing. Safely assume that if something isn't physically secured to someone's body, it can be yours. The only person who would notice is the victim ...
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 ...
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, ...
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 ...
1
vote
3answers
483 views

How to enforce a sign language curfew in a maximum security prison?

In Democritzstan, prisoners enjoy an almost full humans-right treatment. Democritzstan former prime minister Yrtra is running for next UN Secretary-General, and has full backing from his land. But in ...
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 ...
16
votes
8answers
2k views

How can a prison offer a safe way for inmates to commit suicide?

I am living in a society which considers autonomy over one's own death a basic human right. That means killing someone is very, very bad, no matter the circumstances. Our society is strictly against ...
5
votes
3answers
426 views

If I have multiple identical AI Oracles that can answer only Yes or No, can I play them against each other to detect a treacherous turn?

On an air-gapped supercomputer in my basement, there's a self-improving prediction machine — a so called Oracle — that knows everything that is on the Internet but cannot send any data outside. (Let's ...
1
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2answers
83 views

Impacts of the collapse of the current cyber-security? [closed]

Much of the information transferred over the internet is encrypted using methods which rely on the fact that currently, very large numbers are extremely difficult to factor. Imagine that in the near ...
4
votes
5answers
503 views

Would the need for control limit a superintelligent rational agent's expansion in the universe?

My thoughts go like this: I postulate a superintelligent rational agent, that is given, or assumes, control over its mother civilization. I call this agent "the Ruler". I postulate that in order to ...
17
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6answers
2k views

How would society recover from the collapse of digital trust?

Imagine a coordinated attack by a large and motivated hacking group, that results in a nation-level compromise of the financial systems we take for granted: credit card payments, accounts at the top ...

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