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Questions tagged [security]

Procedures followed or measures taken to ensure safety of individuals, assets, or information.

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Data and information security aboard the ISS in terms of public photos?

I was looking through a couple posts that had on-board pictures of the ISS and noticed something almost immediately: They have information (which could be sensitive) shown on the laptops: While ...
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2answers
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Suppose Zuma wasn't “lost” — what would it take to detect it?

Being a secret government launch, there has been speculation maybe the Zuma satellite wasn't lost, and claims to the contrary are a ruse to throw off parties who'd like to track it. There is possible ...
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2answers
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Why aren't the 'bedrooms' aboard the ISS also the escape pods?

If ISS was designed this way, couldn't the astronauts have a quick escape if the ISS is destroyed (severe meteor shower, re-entry, uncontrollable fire, explosive decompression, etc.) while they are ...
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3answers
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How well could a satellite hide from Earth detection?

If there are only a few "enemy" radars at known locations that can detect a satellite in LEO, I'd assume there are some radar stealth methods using a spacecraft carefully shaped and oriented such that ...
34
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2answers
7k views

Is the International Space Station “hackable”?

I was recently rereading this previous question of mine: What would happen if a mutiny occurred on the International Space Station? As I was considering different contingencies, the thought occurred ...
9
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1answer
3k views

Could a gun fired inside the ISS rupture it?

We know there is at least one gun in the ISS the caliber seems to a state secret. According to Wikipedia and NASA large pdf there are over 100 shield configurations on the ISS. These would be ...
39
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4answers
9k views

Are there any weapons in space?

We can break this down into two categories: For internal security purposes, does the ISS have any type of weapon on board? For global security purposes, are there any orbiting weapons (that we know ...
5
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2answers
567 views

Why is the nozzle of Delta IV capped?

Source: Lockheed Martin press release: Boosters for Orion’s Launch Vehicle Arrive to Cape Canaveral, Image credit: NASA In the above image you can see that the nozzles are not open; instead they are ...
8
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1answer
257 views

Where can I find relevant papers describing the cryptographic algorithm(s) and/or techniques used within KY-171 and KY-172?

The KY-171 Audio Frequency Coder was used for the NASA Project Mercury (1958-1963) to encode radio traffic between ground stations, as well as between ground stations and the space capsule. It was ...
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3answers
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Is there no physical security in space, other than being in space?

I saw Gravity the other day and while visually and emotionally compelling, and besides the liberties taken with orbits, something else struck me as unrealistic, but I'm not sure if it is or isn't:...
14
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1answer
626 views

What, if any, mechanisms prevent unauthorized commands?

Since deep space probes and satellites receive commands from Earth via radio, what prevents unauthorized commands from being accepted by such devices? For deep space probes, the required power of ...
12
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1answer
999 views

Do any spacecraft use carkeys?

The basic idea behind a key for a vehicle is to keep an unauthorized person from using your car to go somewhere else - probably further away from you than you would like your transportation to be. I ...