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Questions tagged [video]

Any method of storing, transmitting or playing motion pictures.

0
votes
2answers
72 views

Is it possible to verifiably timestamp a video?

I am wondering if there is a way to timestamp a video. (e.g. Security camera footage) I know that there is a way to timestamp a document with a trusted time authority, and it will certainly be ...
9
votes
1answer
96 views

How can faulty version of an iOS app (such as WhatsApp) expose the whole device to crashes or take-over

There was a lot of recent, prominent news about a security vulnerability in WhatsApp that affects also iOS versions of the app. The volnerability has been described as carrying the risk of an attacker ...
-1
votes
0answers
24 views

How to download video from website using AES encryption? [closed]

I try to download video and decrypt from this website. They use the AES encryption as I found. For example a video from this link: https://vtv.vn/video/tre-suyt-hong-10-ngon-tay-vi-do-choi-slime-...
3
votes
0answers
141 views

How does video protection work when someone is recording their screen?

I forgot to turn my video recorder off and accidentally recorded my screen when I watched some series on some website. When I re-watched the video a few weeks later, I noticed that the part where the ...
0
votes
1answer
72 views

Digital watermarking for detecting Copyright infringement - video file of customer A and B have same SHA Checksums?

Sometimes I buy in a online shop video files (mp4). The online shop forces it's customers to buy with verified real name. In case of leaking his content the shop can identity who leaked it. I don't ...
2
votes
1answer
163 views

Can my cell phone company access videos and other documents on my old cell phone?

I have my old smartphone with me, with the old sim card still inside. When I received that phone 4 years ago, it was locked by my cell phone company. However, I am not using it at the present moment, ...
1
vote
1answer
225 views

Has anyone actually been hacked by video subtitles?

This morning's news brought this story: Hackers are hiding computer viruses in film subtitles, security experts warn Where they warn that subtitles in videos played on computers could be used to ...
3
votes
2answers
97 views

What considerations would need to be taken into account when purchasing a house with multiple smart home appliances?

TL;DR - Sister in law buying a house full of smart junk, she wants to keep it, but is afraid of the previous owner spying on her or gaining access to her home. Can this be mitigated while keeping said ...
3
votes
2answers
2k views

Can a website know whether I'm streaming or downloading content?

I'm taking a paid online course in which the videos are streamed through Flash. After much trouble such as quality fluctuations, unexpected changes in playback speed and frozen screens (also ...
1
vote
0answers
72 views

Video Steganography Dataset [closed]

Does anybody knows a video data set worth for stenography tests? I searched many many times but I couldn't find sth good. Thanks
-1
votes
1answer
1k views

Could YouTube downloaded videos be infected (by Youtube)?

I downloaded Youtube videos, but found out just now it is illegal. I thought that if Mozilla page has add-on for that, it must be legal! Could Youtube videos be infected? Could Youtube infect them to ...
3
votes
1answer
111 views

Is it “normal” to find procedures in the middle of a .mov file with a disassembler?

I used hopper disassembler to see if there was any strange activity on this particular mov file. What was bizarre and unexpected was This .mov file is particularly strange such as it seems to lower ...
5
votes
1answer
151 views

Malware through HTML 5 player

Just curious if it is possible to get malware through a trusted site hosting an HTML 5 player. I would imagine since Chrome is in a sandbox, nothing download to your computer?
-1
votes
3answers
395 views

Can Tor Browser prevent ISP or IT Department at a Work place from knowing what i do while watching a Video online from a work computer (not mine)? [duplicate]

I must change the security settings of Tor browser to the lowest to be able to play a Video online, yet i have not tried it till now. That is why i got to think, whether it is unsafe to play online ...
8
votes
1answer
285 views

Tails OS doesn't erase video memory

As stated succinctly in the Tails "Known Issues" page: Tails doesn't erase the video memory yet. When one uses Tails, then restarts the computer into another operating system, that other operating ...
3
votes
2answers
395 views

How does HDCP detection work?

What is the mechanism used by websites like HBO GO to detect HDCP bypassing/violation? How foolproof is this mechanism, as the logic lies on the client side?
0
votes
1answer
42 views

Tutorial Video Protection on a Tablet

I am planning to start tutorial videos. I thought of buying a tablet and then putting the videos on the tablet. My major concern is that the students shouldn't be able to copy the videos. They ...
3
votes
2answers
239 views

Downloading a video without website noticing that you're not just watching it?

I want to download video, but I want to download it in a way that you can't see that the video hasn't been just watched, but downloaded. Is there a a way to do that? The only thing I can think of is ...
0
votes
1answer
103 views

YouTube App Security Update History

A friend watched a hacking video on my tablet using an outdated Android OS and an outdated YouTube App, and now I am concerned. No serious signs of entry, but it would be hard to tell since it is ...
4
votes
2answers
760 views

Is a VPN a good way to encrypt video stream data?

Let'say I have a device with a camera, and this device should stream the video data to a server. I want to prevent people connected on the same network of the camera to eavesdropping on my video ...
1
vote
2answers
1k views

How do OTT providers protect LIVE streams?

For Video on Demand, DRM seems the way to go. I've been told that providers might be using a token-based system, but I haven't found any provider so far that uses token, just DRM (except Akamai, ...
2
votes
1answer
116 views

Media files : how to protect from 0-day?

I am in the following situation : media files (image, audio, video) are uploaded from untrusted sources and made public to visitors. What are the best pratices for handling these potentially ...
1
vote
1answer
3k views

codecfix.exe virus and VLC Player and Windows 7 [duplicate]

I downloaded a .wmv file (supposedly the new movie War Dogs) from thepiratebay.org, and when I tried to play it using VLC, a dialog box popped up, indicating some error. Information about this error ...
3
votes
1answer
393 views

Is that a tool dedicated to accessing rtsp streams over IP?

Like sqlmap for databases, is there a tool that can find vulnerabilities, try default passwords, etc. for the rtsp (VoIP) protocol?
14
votes
4answers
762 views

What to look for in baby monitor?

There are, from time to time, stories in the media about baby monitors being hacked. The hacker can for example gain access to the video feed and be able to interact with the monitor. While I ...
2
votes
1answer
1k views

Is there a way to use clear key encryption for protecting media HTML5 media streams?

I am trying to understand EME with Clear Key encryption. I am using MP4Box. From the documentation here, you specify decryption keys in an XML file that is used to encrypt/decrypt your mp4 files. ...
11
votes
1answer
13k views

How does HDMI splitter bypass HDCP?

I just read this article. It's about HDCP and how some old HDMI monitors would not work with your newer devices (such as game consoles, etc) because newer devices protect video stream content in a way ...
7
votes
1answer
291 views

How to mitigate risk of X11 buffer ghosting (palinopsia bug)

The Buffer "Ghosting" Phenomenon It is possible to observe contents of (old and currently used) graphics buffers on a monitor under certain circumstances, posing an information disclosure risk, when ...
22
votes
3answers
5k views

Is it possible to transfer a virus through browser video?

I know that there is already a question related to viruses in videos, but the implication in the other question is that videos in question have been downloaded and played by media software on the ...
21
votes
4answers
6k views

Is VLC on Linux vulnerable to an attack from .wmv files designed to install viruses? [duplicate]

I was stupid and did not check a video file I downloaded from an untrustworthy source. It was .wmv file with no readable properties of the video. I know that .wmv videos can download viruses. What I ...
-4
votes
2answers
137 views

TV and audio hacking [closed]

I have been stalked now for over a year. I think they are doing it over the DirectTV because they can hear me and I can hear them. Is it possible they are recording me like a movie live through ...
1
vote
1answer
170 views

Should the RTP feed from a surveillance camera be protected?

I see a lot of camera system and they're either using RSTP over RTP or just RTP. Most of the times they are on straight HTTP for the login, some will be on HTTPS, but unless forced (which I have seen)...