Questions tagged [whatsapp]

Whatsapp is a proprietary instant messaging client for smartphones

Filter by
Sorted by
Tagged with
0
votes
2answers
60 views

Protective steps to prevent files sent through WhatsApp from installing malware

I have been reading articles about exploits which allows someone to send an MP4, PDF or other file type through WhatsApp or other service, which self-executes to install malware without any user click ...
1
vote
0answers
64 views

How I rescue my Android from a trojan and how did I get it? [closed]

I received a message with the famous link My-love co via Whatsapp and I never clicked on the link; I blocked the contact and deleted the message containing it; such a link was reported as infected by ...
0
votes
0answers
122 views

What's the scam? Unknown users joining and leaving WhatsApp groups

I'm on a few WhatsApp groups that have signup links. Lately (last few months) I've noticed some very odd activity on a few of these groups: every few days I notice a number (often from a country with ...
4
votes
2answers
880 views

Can someone hack my phone by sending me a file (e.g. PDF) via Whatsapp?

My work requires (and depends on) Whatsapp for daily sharing of files with many people (PDF, PowerPoint, Word, Images, Web links...), and I was wondering if it is possible that someone can hack our ...
0
votes
0answers
49 views

What are the security risks of using WhatSender tool?

WhatSender sends Bulk Whatsapp Messages directly from PC using whatsapp web. How it works Can this tool actually access messages and images from other chats?
2
votes
1answer
353 views

How does Whatsapp store encryption keys on the phone?

It looks like Whatsapp stores encryption keys on the phone side, but I wonder if there are any details on how they do it? Do they use Android Keystore / Secure Enclave? Or something else? The main ...
0
votes
2answers
109 views

Are deleted WhatsApp (or similar) messages recoverable? [closed]

When one deletes a Whatsapp (or other similar apps) message from a device (assume that no Google Drive, ICloud backup), can this message be recovered from the device? Does Whatsapp save messages into ...
1
vote
2answers
305 views

How an ISP can detect if someone having a WhatsApp call or video call? without detecting or blocking the rest of the app [duplicate]

I am asking the questions because of the latest news: https://www.bbc.com/news/world-middle-east-50095448 I wonder how the ISP can detect the use of call and video calls, without detecting or ...
5
votes
1answer
251 views

How can WhatsApp be listed on the EFF secure application toolset when it's not opensource? [closed]

I see this EFF tool guide, proposing WhatsApp as one of "our pick of the best, most secure applications" source. How can WhatsApp be trusted as a secure application when it is not open-source (...
0
votes
2answers
281 views

Is it technically possible to clear WhatsApp chat also on receiver's phone?

A friend of mine whom I trust 100% states that a user he was exchanging messages via WhatsApp deleted the whole chat,on his phone as well. He was able to take a screenshot of the last messages before ...
1
vote
0answers
300 views

Forensics methods for obtaining WhatsApp data from Windows Desktop PCs

WhatsApp has the option to download a Windows (or Mac) Desktop version. Installation requires pairing the software with a mobile phone. I have read a similar question about Android devices, and ...
0
votes
1answer
292 views

Can someone know my geolocation by replying to Whatsapp message?

Is there any way a malicious actor could know my geolocation by replying to a Whatsapp message I have sent? Will being connected with a user allow me to see their geolocation, or would I have to reply ...
0
votes
1answer
73 views

How to Intercept into an iPhone having access to same Wifi [duplicate]

I would like to know, If I have password of a wifi-router? and I know the MAC address and IP of Target Iphone using this wifi-router, can I get to contents of social media like WhatsApp chats?
0
votes
0answers
84 views

How do WiFi APs distinguish between text messages and media content for encrypted messengers?

I recently took a flight with Delta airlines. They offer in-flight WiFi for messenger services iMessage, Facebook Messenger and Whatsapp and state that Words and emojis accepted. Sending photos, ...
-5
votes
1answer
170 views

Is there some hidden worm attached with whatsapp messages that state forward this messgae to 20 people? [closed]

NOTE: I am New contributor, if the question needs some improvement please tell in comment before down voting! Usually I see messages on whatsapp and sometime on some other forums stating that forward ...
0
votes
3answers
564 views

Whatsapp web security

If I use WhatsApp Web on a computer at work that is connected through a proxy, is there a possibility that they will intercept my messages? I know that, thanks to the proxy, they can see the pages ...
3
votes
3answers
988 views

Why does WhatsApp not encrypt Google Drive backups?

WhatsApp has end-to-end encryption, promising privacy to users. However, it becomes useless if backups to Google Drive are unencrypted. Our supposedly private data goes to the control of Google. No ...
2
votes
1answer
425 views

How did Instagram know the content of my WhatsApp conversation and Google searches?

My friend forwarded me some information about a business via WhatsApp (on mobile). I did some Google searching on that business on a desktop. I've deactivated my Facebook account for almost a year ...
1
vote
0answers
30 views

WhatsApp spyware application through WhatsApp call [duplicate]

Probably everyone heard that there was high security vulnerability in WhatsApp this week https://www.forbes.com/sites/zakdoffman/2019/05/14/whatsapps-cybersecurity-breach-phones-hit-with-israeli-...
2
votes
1answer
365 views

How can I open a malicious image in whatsapp safely?

I have got an image send by whatsapp on my android tabled, which I only can see when I press the download icon. How can I see the image, without getting a virus when the image is malicious? Are ...
0
votes
0answers
47 views

Whatsapp requests UPnP [duplicate]

What info is taken when WhatsApp requests UPnP? Is it hacked? What does it do with UPnP? I have checked many websites but the answer is the same, that UPnP is harmful. But I want full details about ...
1
vote
1answer
277 views

Non-deniability of WhatsApp message

A is claiming that B has sent him a certain WhatsApp message. And if this incident is proven to be true, this will mean social and legal harm for B. But as a matter of fact, B has not really sent ...
4
votes
1answer
4k views

How to block WhatsApp traffic in TP Link router? [closed]

Can anyone tell me how to block Android WhatsApp traffic in a TP Link router?
6
votes
1answer
864 views

Understanding a Whatsapp account hack (social engineering?)

A friend of mine (Bob) received a suspicious Whatsapp message today, seemingly from a former colleague (Alice), who claimed to have "forwarded [to Bob] an SMS with a code in it by mistake", and who ...
5
votes
2answers
6k views

Found an application (Whatsapp) initiating UPnP requests, is it something that I should worry about?

I have logged in into my router using the web interface. I was checking UPnP forwarding (which is enabled by default), and found out that whatsapp is initiating a UPnP request on port 65072. Is ...
5
votes
2answers
466 views

A site supports Public key length of 256 bits while best practice is 1024+ - what does this mean?

Given that this is asymmetric cryptography with private/public key, I am not sure if reduced bit length is breakable easier than longer keys. I understand that the key population is reduced (hence ...
25
votes
4answers
6k views

How can WhatsApp do both targeted advertisement and end-to-end encryption?

Recently there have been a lot of news articles which say that Facebook will very soon add advertising to WhatsApp, yet will keep the end-to-end encryption (source): [M]essages will remain end-to-...
1
vote
2answers
326 views

Can Facebook break the WhatsApp E2E encryption without the customers noticing?

I read a lot of reports from corporate media complaining that you can't censor "fake news" sent via WhatsApp. Mainstream media claims that because of "fake news" the wrong person got elected in Brazil....
2
votes
1answer
1k views

Does Whatsapp change key when switching phone?

Alright so, I really didn't expect this but here's the story. I was doing some tests, I copied one of the .db.crypt12 in /sotrage/emulated/0/Whatsapp/Databases/ from my phone to my computer, then, I ...
10
votes
1answer
165 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
vote
1answer
3k views

Can Whatsapp be MAC spoofed if the victim's device isn't on the same local network as the hacker's device?

I realize that MAC addresses are only used to tell different devices apart if they are on the same local network. So, what if they're not? Is MAC spoofing in Whatsapp still possible? Even if the ...
3
votes
0answers
169 views

Can contacts be stolen over public WiFi?

Being on vacation for a few weeks, I only have access to public WiFi. After I have done some research on google and using the search button here (because "how safe is public WiFi" is a really common ...
1
vote
1answer
1k views

WhatsApp e2e encryption when forwarding video files

If someone sends me a large video file on WhatsApp I believe it is compressed and encrypted. I believe it can only be decrypted on my device with a key that never leaves my device. If I was to ...
8
votes
2answers
1k views

What's safest way to run WhatsApp? [closed]

For work I have to use WhatsApp. I agree with EFFs concerns about WhatsApp and personal data (harvesting it and shoveling it into Facebook), and perhaps even its security. I thought it would be ...
-5
votes
1answer
1k views

Does WhatsApp use asymmetric encryption?

I know that WhatsApp uses some kind of encryption to encrypt messages, but is it asymmetric encryption? If not what kind of encryption does it use?
4
votes
2answers
420 views

How does master secret calculates in encryption protocol used by WhatsApp?

I have read the algorithm behind WhatsApp encryption in this document. I can not understand how the initiator calculates a master secret. The initiator calculates a master secret as: ...
4
votes
2answers
4k views

Whatsapp access to Google Drive

I am very concerned today as I discovered whatsapp has access to my google drive. Does this mean whatsapp can steal my google drive data with this access or is it restricted only to a specific folder?...
4
votes
0answers
2k views

Whatsapp Unicode Phishing Link [closed]

I have been receiving messages from relatives that goes like this: AirAsia is rewarding everyone with 2 free plane tickets to celebrate 24 Years of quality service. Get your free ticket at: http://...
7
votes
3answers
19k views

How can application like Whatsdog detect user online status from Whatsapp?

Whatsdog detects whether your victim is online or not. What are they doing in the background? We know that Whatsapp does not provide any API or SDK for this, so how can anyone monitor this type of ...
1
vote
1answer
3k views

Can WhatsApp be intercepted? [duplicate]

Is it possible to intercept/hack a WhatsApp conversation between two people or messages sent to a group and how safe is WhatsApp call? Is eaves dropping possible in anyway?
0
votes
1answer
626 views

Is WhatsApp web able to read end to end encrypted messages? [duplicate]

Is WhatsApp web able to read end to end encrypted messages between two people who have got their codes scanned?
-4
votes
2answers
93 views

Under what circumstances is there any real security benefit in verifying public keys in signal or WhatsApp? [closed]

Encryption is good, sure. But disclosures have revealed that both iOS and Android are so owned by intelligence services that endpoint security on all supported platforms is a joke, anyway. What ...
3
votes
0answers
1k views

can I use whatsapp like gmail with login and password? without everytime scan code? [closed]

can I use whats app like gmail with login and password? without every time scan code? Because I need whats app some time different computer. so, it is possible to make id and password to use whats ...
1
vote
1answer
1k views

WhatsApp: Someone makes screenshots of a friends chat. Can I help them?

A group of friends is being stalked by an unknown person (or bot?). Everything started with person A. A was sent authentic screenshots of several of his WhatsApp chats. Screenshots were sometimes ...
2
votes
0answers
2k views

WhatsApp Web Logged in computers [closed]

I usually only use WhatsApp on my phone but today I needed to write a longer message and decided to use WhatsApp Web. To my surprise, when I went to scan the barcode, I saw that WhatsApp Web was ...
45
votes
2answers
6k views

How might the Chinese government be blocking only specific types of WhatsApp traffic?

There are currently media reports that the Chinese government are blocking some types of messages sent via WhatsApp ("pictures, voice messages and video"). Given that WhatsApp traffic has end-to-end ...
17
votes
2answers
18k views

Does backing up WhatsApp on Google Drive expose messages?

I was wiping and restoring a family member's Android phone today, as it was running slowly with loads of apps on it. I decided to back up their WhatsApp messages to Google Drive in order to recreate ...
2
votes
3answers
5k views

Does WhatsApp “end-to-end” encryption protect against a compromised router?

So today when I connected to my WiFi it got a note "Your WiFi is being controlled" which made me paranoid that maybe my router is hacked or something. I have yet to convince my father about this, or ...
5
votes
3answers
3k views

Can a Government Intelligence Agency See *Who* I Am Messaging On WhatsApp

I have not been able to find this answer, because most of the talk is about the content of communications, but my question is: Can a government intelligence agency somehow see who I am communicating ...
7
votes
2answers
2k views

How does the WhatsApp chat history recovery work together with their encryption mechanism?

As WhatsApp states: every time a user installs or updates the app, a new key pair would be generated on the user's device. So I assume that the chat history on iCloud which was encrypted by the old ...