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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1answer
77 views

Dystopia Fantasy Magnetic or electronic field as a fence [closed]

I am writing a dystopia. In this world there is currently an electromagnetic fence that prevents anyone from going in and out unless they are in possession of a certain sword that neutralizes the ...
-8
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2answers
157 views

How to encrypt the activation signal for my kill-switches to make them impossible to hijack

Dragons are awesome, but they're still vulnerable thanks to their low-numbers and a certain type of people... So, to prevent those from killing even a single dragon I came up with the wedding rings ...
6
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2answers
291 views

I can break AES. Now what? [closed]

The story The protagonist (whom will be referred with a first person narrative in this question) had a friend, Eve, who was a math genius. Eve was dying of cancer. She kept her mind occupied in her ...
11
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5answers
2k views

What could prevent concentrated local exploration?

In my world there is a village with a hot spring, the only one on the entire island. The spring emerges from a local cave which has been filled / caved in by a past civilisation, since the water is ...
46
votes
11answers
8k views

How do I keep my slimes from escaping their pens?

Hmm... Time to take inventory of the slimes real quick... Lamp Oil Slime, O- Slime, Yellow Paint Slime, Pur-... Red Paint Slime? Blue Paint Slime? You two didn't...! Great... So I need a new RPS and a ...
3
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7answers
678 views

What items from the Roman-age tech-level could be used to deter all creatures from entering a small area?

Please assume the following: There is a item on the ground and I want nothing but bare earth touching it. I cannot move the item myself. The item is impervious to fire. I cannot afford to guard ...
-4
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12answers
399 views

A properly malfunctioning gun [closed]

A friend of mine wrote me: "I have designed a rifle that cannot be used for a terrorist attack. It fails to shoot in the instance of it. Other than that it is a good gun. In fact it is the best and a ...
7
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2answers
249 views

Ancient Egypt - Primitive Blockchain Technology

Premise The goal is to implement a bronze age version of blockchain in ancient Egypt to introduce a layer of security for the royal tombs. Tomb raiding was rampant, and at times even the legitimate ...
5
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14answers
573 views

How can the remains of a god's corpse be kept off the black market and out of the hands of mortals?

A demigod is a mortal being infused with divine energy. This essence comes from a divine spark in their soul that activates due to some external traumatic event. This spark is very rare, and most ...
6
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2answers
172 views

How to protect a small modern military base from a large number of primitives?

So, let’s imagine a force of about 500 people, armed with what we would consider modern weaponry (or, more so, 1960s weaponry), are facing up against a force that outnumbers them at a ratio of 34:1, ...
4
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4answers
189 views

How can I keep my planet the safest in the galaxy and still engage in war?

Background info In the galaxy that I'm working in, 20 other nations exist. Around 15 of them possess thousands of planets and billions, sometimes trillions of people (they spread throughout universal ...
10
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2answers
170 views

Fortifications capable of withstanding atmosphere-clearing blast

On the Atomic Rockets site, there is a series of handy tables, the first of which is aptly named "The Boom Table", providing examples for a wide range of energy releases (in both Joules and TNT ...
3
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1answer
214 views

Carrington Event Shield

If a nascent colony world can be wiped out by a geomagnetic storm on a scale similar to the Carrington Event, what could the colonists build either in space or on planet to protect their electronics ...
1
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2answers
106 views

Maintaining assets during time jumps

I started to ask this question in the Writing SE, but realized that I want both a method and a mechanism, so decided that for the latter, I'd come over here. I'm building a novel where the MCs are ...
55
votes
22answers
13k 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 ...
-2
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5answers
180 views

Team of people need to destroy a highly guarded room without hurting anyone [closed]

In my fantasy novel, there is a rebellion that needs to be stopped. They have a weapon in a highly guarded room that is under ground. The team tasked with stopping the rebellion plans to drop several ...
39
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24answers
10k views

How could intelligent animals defend against humans?

Some Context This story is a fable set in a magic forest full of intelligent animals that live in a huge community. Maleficent depicts a forest that's very close to what I'm thinking. The magic ...
20
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13answers
5k views

How to keep the anonymity of people attending a regular event taking place at the same location everytime?

In my setting, a handful of characters have to attend a daily event (such as classes). They do so anonymously, as attending this event could endanger their civilian life if the wrong people were to ...
6
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8answers
324 views

Locking an old spaceship from the outside?

I know it may be a bit of a silly question and not really something of great importance to a story, but how would you secure a spaceship when you leave? For example; when the Millennium Falcon lands ...
6
votes
7answers
835 views

How to use a certain technology to communicate with colonies but keep the how-to a secret?

I'm building a world for a role-playing game campaign using the Stars Without Number system. Some background information first: Stars Without Number Original Setting: In the original story ...
6
votes
2answers
1k views

What did shipping/storage crates look like in the Middle-Ages? [closed]

If you search "medieval crate" on google you get 2 things: 3D crates that look suspiciously modern or you get real, chest-like boxes. I'm wondering if the latter is the norm for the time period?
37
votes
24answers
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 ...
9
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4answers
224 views

Smartphone camera resolution can image a human retina: can we save retina biometrics?

RIDGEFIELD PARK, NJ – April 2, 2019 – Samsung Electronics America, Inc. announced that the new, award-winning Galaxy S11 and Galaxy S11+, which have been recognized by smartphone reviewers worldwide ...
3
votes
2answers
137 views

Vigenère cipher with a regularly-changing key

There's a plot point in my current piece that involves some encrypted radio messages to/from a hidden lab and corporate headquarters, some time in the 1910s. In-universe, the corporation's board of ...
14
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6answers
5k views

Julius Caesar with a one-time pad

Julius Caesar used a substitution cipher (now called a Caesar cipher) for sensitive private and military correspondence. The cipher involves shifting all of the letters in a message in one direction a ...
3
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4answers
214 views

Reasons for every floor of an office building needing a unique code to access that floor via the lift [closed]

In my story the protagonist has found them self on the bottom floor of a New York Office sky scraper and has to escape. For whatever reason they cannot exit via any means other than through the roof ...
2
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3answers
153 views

AI hijacking accounts [closed]

People over at the IT security stack exchange decided this question was too frivolous and speculative in nature for their time and suggested me to post it over on this forum. Please do not redirect ...
-3
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4answers
253 views

What security measures can stop robbers from digging a tunnel into a cash vault? [closed]

There is a huge bank vault with billions worth in save deposit boxes (jewelry, bullion, documents, certificates, etc) and cash reserves. It is also a regional base for ATM cash resupply, so there are ...
-1
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2answers
101 views

What would happen if an Emperor's bodyguard became a national interim police force for a decade? [closed]

A certain sprawling empire in a world like ours recently overcame a revolution instigated by the Civilian Government (imagine the UK Parliament overthrowing the Crown). In this revolution, the ...
25
votes
7answers
5k views

How to secure a 16th century warehouse?

As the title says: How can a warehouse be secured to the point of highest possible security within a 16th century setting? The warehouse is located at a harbor and roughly 50 meters in length and 15 ...
4
votes
4answers
389 views

How would quantum computers be safely released to the world?

My understanding of quantum computers is that because of their theoretical vastly superior processing speeds, brute-forcing your way through securely encrypted software would become feasible, ...
5
votes
3answers
823 views

What circumstances would necessitate an international “Supernatural Police” organisation?

Some background on this question, I was trying to construct an international organisation whose main job is to patrol, investigate and protect its member countries from anomalous threats that have ...
2
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6answers
280 views

Reliability of Planetary Quarantine

Setting: In the future universe, with technologies based on real science that we know that theoretically can be implemented (though not feasible with today's technologies) and sub-light travel, a high ...
4
votes
4answers
304 views

Metainfomation that is more important than the infomation itself [closed]

For example: an officer is theoritically allowed to read a report if he ask, but he isn't allowed to know about the existence or the secret level of that report. Can the secret level of an infomation ...
0
votes
2answers
149 views

How to keep unwanted visitors out?

In my stories, there are two fractions of beings called Shining ones - and regardless of their war, they live (very close to each other) in Nightshine Asylum, an abandoned fortress from an age of ...
45
votes
32answers
11k views

Creating a uncopyable physical key

In many stories, a mysterious indent in a wall acts as a lock to a secret vault full of ancient treasures. The way to unlock this archaic door? A strangely shaped stone. By placing it into the indent, ...
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 ...
2
votes
2answers
189 views

Why won't police help? [closed]

I am writing a book where time travelers want to kill me because I foil their plan in the future. Luckily I find out before it's too late. Obviously, the best plan to protect myself from future ...
20
votes
8answers
2k views

Encryption - How to claim authorship anonymously?

In my writing, a guy wrote a politically acrimonious pamphlet (basically the summary of the communist manifesto) and disseminated its copies secretly. The guy just so happen to be a very vain person ...
64
votes
19answers
8k views

Where can I transform without being noticed?

I'm just your average person. Not rich, or particularly skilled at anything. Until a few days ago, when (for a reason I can't disclose) I got some amazing superpowers: I can fly, I'm completely ...
4
votes
6answers
435 views

Would policemen still be around if one must have their limbic system partially removed?

Year 2023 C.E. crimes rate soar in every parts of US and there are corruption at every corners of the once mightiest nation in the world. The new president elect Mr. User6760 (wins 540 votes before ...
4
votes
3answers
185 views

How to make classified document (hard copy as well) impossible to be teleported to another location?

Year is 2367 CE, the invention of teleporter enables an object or even a person to transverse anywhere at the speed of light reliably and efficiently. However just like wiretapping the electromagnetic ...
-1
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6answers
193 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
votes
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
vote
1answer
98 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 ...
25
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, ...
62
votes
18answers
16k 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
447 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 ...
177
votes
38answers
26k 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 ...