Questions tagged [steganography]

Find hidden data in various media forms.

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3
votes
2answers
135 views

I bet u can not find the word/phrase hidden in this post!

there Is a word/phrase Nefariously inserted into this question/post. Can you find it? i do indeed hope this puzzle will fasinate you Or at least Retain your interest for a while! i Really enjoyed ...
13
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1answer
226 views

Tribute to Clifford Possum Tjapaltjarri

The background text that follows is in this case not part of the puzzle, nor fictitious. The puzzle, which is self-contained, consists entirely of the image below; I have composed it as a genuine (...
6
votes
1answer
423 views

A Puzzle for You and Mi

Several weeks before final exams were to commence, the enigmatic Dr. Noteworthy issued a challenge to their music theory students. "Each year, I like to test my senior students with a brain teaser," ...
5
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4answers
510 views

Scrambler puzzle (CTF forensics problem by me!)

Before anyone starts hyperventilating, this is not part of an ongoing CTF! I just made this example CTF problem for fun... To learn more about what a CTF is, check out this Wikipedia page. For this ...
5
votes
0answers
196 views

Truly unexpected thingy in a Radcliffe novel!

Ann Radcliffe was an English author in the Gothic style at the turn of the nineteenth century. Among the many interesting points in her remarkable career though, one little story is but poorly known. ...
12
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0answers
259 views

A fairy tale in a golden toy

Once upon a time, long long ago, in the days when good stories were far more beautiful and far harder to come by, a king was asked by his spoilt but beloved princess daughter to give her a fairy tale. ...
4
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1answer
193 views

Image steganography / hidden message inside image (png, 8-bit gray+alpha)

I'm new to steganography and have been trying to figure this one out but some additional help would be appreciated. There is this image here: It supposedly has a hidden message in it that should lead ...
46
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1answer
1k views

Selective attention: an unusual game

There's a park behind the local basketball courts, where I like to go for quiet time. The other day, a group of thirty people arrived with a basketball as I was sitting down. One sat next to me, ...
1
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1answer
173 views

Steganography - Coded Blocks Ricoh Color Copy machine

I am somewhat new to this. Forgive if my description is not clear. I have two code blocks. I know that each block, in part, codes for a serial number (which I know). Part of the code probably ...
6
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0answers
145 views

Ode to a Nightingale: a puzzling study in literary criticism

The field of literary criticism is an interesting and fruitful one, in which puzzlers might carve out a niche. This was recently brought home by a conversation I had with a sagacious old gentleman in ...
16
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1answer
369 views

What should these be called?

On this site, rot13 is often used to encrypt comments so spoilers can be spoken about. Rot13 is a cipher, in which each letter is shifted 13 letters forward (or backward) in the alphabet. There are ...
3
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1answer
83 views

Another hidden thing… in a word search

Just a simple wordsearch... ...
5
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1answer
252 views

Major aliens, some good, some bad

Yep, another word search. The title should be a hint... ...
2
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1answer
68 views

Zed's Mystery: Thetis… Vanished into Thin Air!

My friend Thetis and I cons— wait, where's Thetis? Hmm, that's funny... she was here a minute ago.... Wait, a note!... Oh dear, it seems things have taken a turn from bad to worse; Thetis is ...
10
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1answer
340 views

After the PSE lounge

Having solved the complaint at the PSE lounge, I leave the lounge and see a door I haven't noticed before. The door has a large sign. At the top it has a rhyme: Rotations are red Or are they blue?...
21
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1answer
1k views

12 hidden clues in just one paragraph!

I have attempted to hide as much information as I can within as little words as possible, while it still makes sense. And while the following paragraph does indeed make sense, that doesn't mean it's ...
7
votes
2answers
292 views

The message is hidden in plain site

You’re an agent for the very secret PSE – Protection against Stupidity Establishment. The agency tries to prevent people doing stupid things, before they do them. You’ve been given a random email ...
19
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2answers
742 views

The Ballad of the Dragonborn

From old unearthed records in a failing museum, this ancient hitherto unknown epic poem was recently unearthed and translated. Written in a rare script, it contains mentions of a mythology that as yet ...
7
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0answers
203 views

Signatures of serial killer Edward Wayne Edwards?

This is from a real-life murder-mystery. In 2009 Edward Wayne Edwards was arrested and convicted of five murders, following a tip-off from his daughter April. Former detective John A. Cameron ...
5
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0answers
174 views

Is my colleague happy with me?

So I graduated last year with a chemical degree and I started working in a lab. I'm still pretty nervous about making mistakes, so when I had to prepare a tricky experimental setup, I wrote down what ...
12
votes
3answers
459 views

Going up in flames

A scream! I rushed up the alley towards the yellow light oozing through the mist, pulling my greatcoat around me. As I neared, a man stumbled into me, clutching at a bloody wound in his stomach. He ...
38
votes
4answers
3k views

Multilayer Image Steganography

Alice, Bob, Carol, and Dan are playing a card game. After they all show their cards, Bob notes that by exchanging two cards the order of the players would be reversed; that is, the player with the ...
15
votes
1answer
968 views

Mithrandir's chat puzzle!

So Mithrandir's chat profile has a puzzle: Hello. There's a puzzle here. You will need EG7Rx. However, you start at: https://i.stack.imgur.com/hSUe2.png That URL is this picture: Can you help to ...
11
votes
2answers
608 views

Can you see through me? Then guess my name!

This is yet another guess-my-character puzzle. Here you are: My name relies on two things: The technique used to find the hidden text in the image. The meaning of the text inside the image. HINT 1 ...
13
votes
2answers
580 views

Dear Hans - the old letter

During one of your late-night studies at library you found a piece of paper, which was used as a bookmark. You opened it and read its content. It seemed to be one of these post-war letters that never ...
11
votes
1answer
646 views

Simply put, my son's baseball team

...can't figure out what's going on with their home run statistics. In 2018, the team hit more dingers per game when at home than when away; in 2019, their totals waned dramatically but followed that ...
41
votes
1answer
3k views

The Worst Afternoon

Was worried about this trip for days -- couldn't take the car -- terrible traffic all the way there -- a gang of jerks blocking my way and the bus had just left -- tried to run and maybe sprained my ...
7
votes
1answer
553 views

Interesting ARG Image to be solved

Someone in my college hosted an ARG game. There is an image I've been trying to solve for a while. I have tried reading the EXIF, opening with Notepad, Changing various things in Photoshop [...
5
votes
0answers
355 views

What is a 255b Word™?

This is in the spirit of the What is a Word/Phrase™ series started by JLee with a special brand of Phrase™ and Word™ puzzles. If a word conforms to a special rule, I call it a 255b Word™. Use the ...
29
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1answer
3k views

The first Density™ Puzzle!

Welcome to the very first puzzle in a new series! It's all about (hopefully) exploring new ways of creating puzzles, as densely as possible. If you'd like to create your own Density™ puzzle, the ...
18
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2answers
3k views

What place is this?

The following text is a clue and will lead to a place on earth. The answer will be one word containing eight characters. Can Heaven flush its Gates as innocent Kisses, then must we all take Heed, and ...
10
votes
3answers
565 views

Downfall - The Riddle

If forgotten, I will be back in September. If you think I am feminine, I will show you a stop sign. If you are afraid of heights, I will throw you in the sea at twilights. If any mis event ...
11
votes
1answer
386 views

Piece de Resistance - King Deusovi, Flag this Blo*dy Post!

King Deusovi, Flag this Blo*dy Post! This puzzle is part of the "Piece de Resistance" series. Go back to Part 1 (Ace) for the story.Ace Two Three Four Five Six Seven Eight Nine Ten Queen King Jack ...
17
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0answers
1k views

Decrypting the Key

So I've been trying to solve this Riddle called "Phage is Spreading.." ...
-6
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2answers
1k views

I am a fruit. Who am I?

I am not on earth but on Moon, I am not sad but Angry, I am dressed so not Naked, I am not bad so Good, I am not bird so I am not Owl, Guess which fruit I am talking about?
20
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2answers
880 views

Cross Bird Puzzle

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6
votes
1answer
155 views

HAPPY BIRTHDAY!

Dear amigo, Joyful it is to be your friend. One of which, people can depend. So without further ado happy birthday to you. Happy birthday to you and - meh, Morah too. Usually there’s a joke, but I'll ...
0
votes
2answers
300 views

A twisted series

Find the next number in this series: 503, 507, 550... HINT 1: HINT 2
9
votes
1answer
261 views

A Strange Safari

Well, my friend told me that he's just visited a safari. Being toured around, he was very surprised how the guide could spot those animals so quickly. He took some pictures of the animals, ...
13
votes
1answer
291 views

Bill and Dan's Journey

What is this story about? (Apologies if at the end I improperly announce the answer.) Bill and Dan bravely ventured forth, eagerly hiking towards a notorious outcrop. Traipsing through the water ...
18
votes
2answers
465 views

An Artwork Made from Several Countries

Last year I went to 12 different countries around the world. I made an AI to convert every country that I've visited into a beautiful artwork as a reminder. I input the 12 countries name, then somehow ...
11
votes
3answers
856 views

A Puzzling Cipher: Redux

A couple months ago, I posted this, to test a new cipher encryption idea, but it was poorly constructed and did not work. After that puzzle fail, I redesigned it to work better, making it much cleaner,...
13
votes
1answer
952 views

What a beautiful canyon!

My friend sent me an image of this beautiful canyon and asked me to work out where he is. More specifically, his latitude and longitude. The only issue is that he's in Europe and this photo is of the ...
7
votes
1answer
359 views

Underworld Royalties

1. Mr. Edison's Travel Diaries From Liverpool, James Edison traveled to Valencia. After watching the scheduled match, he then traveled to Italia and then Amsterdam where he promised to return in the ...
15
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4answers
1k views

Stuck in a Virtual Dungeon

You're stuck in a virtual room. You tried to open the door but it seems to be locked. The robot guard opens the door's tiny window and looks at you. You: Can you please help me get out of here? ...
12
votes
1answer
427 views

Oh, one short ode of love

I'm to grow in mind If now onto learning; And to show understanding, We cannot be blind. Where is the heart? :) Inspired by this (thanks @Bass!)
7
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3answers
303 views

Snakes and Ladders

Things are getting a bit puzzly... Reveal the Ladder and solve the clues to form a Word Ladder. Find the word that fits in the clue “???”. One fake clue is here to ruin your day [laughs ...
18
votes
1answer
2k views

To “Er” Is Human

I’m back with another annoying word puzzle. The following are clues to a series of “er” words. They consist of pairs of words or phrases that are both associated with a particular word that ends in “...
6
votes
1answer
195 views

A Beginner Puzzle

For my first puzzle on Stack Exchange, I thought I'd start in the beginner range, Feverishly close to the solution Though beginners will take the revolution. You aren't a beginner, so you can't get it ...
17
votes
3answers
555 views

A Salute to Poetry

In honor of National Poetry Day (which happens to be March 21st - go figure), I have crafted a puzzle which I hope will do a small bit of justice to this day. Carefully hidden in the four sections ...

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