Questions tagged [whatsapp]

Whatsapp is a proprietary instant messaging client for smartphones

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0answers
77 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 ...
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1answer
150 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 ...
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1answer
54 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?
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75 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, ...
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1answer
137 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 ...
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3answers
160 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 ...
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2answers
390 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
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1answer
373 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 ...
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0answers
19 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
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1answer
183 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 ...
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0answers
29 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 ...
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1answer
194 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 ...
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1answer
2k 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?
4
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1answer
541 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 ...
4
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2answers
2k 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 ...
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2answers
422 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 ...
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4answers
5k 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-...
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2answers
261 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
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1answer
681 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
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1answer
159 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 ...
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1answer
2k 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 ...
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0answers
156 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 ...
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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 ...
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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 ...
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1answer
837 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?
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2answers
357 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: ...
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2answers
3k 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?...
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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://...
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3answers
13k 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 ...
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1answer
2k 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?
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1answer
563 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?
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2answers
92 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 ...
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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 ...
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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
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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 ...
44
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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
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2answers
14k 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
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3answers
4k 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
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3answers
2k 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 ...
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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 ...
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5answers
380 views

Given properly implemented end-to-end encryption with no backdoors, can whatsapp comply to hand over customer messages?

According to The Telegraph, a member of the British government is calling on WhatsApp to release the messages sent by the terrorist that committed the attack on London on March 22, 2017. It's lead ...
2
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4answers
259 views

Can WhatsApp see whom I'm messaging?

I realize WhatsApp has end-to-end encryption. But, can WhatsApp see certain metadata, such as the following? With whom I send & receive messages How many messages I send & receive When I ...
25
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1answer
7k views

More secure to use e.g. Whatsapp Web in Franz than in browser? [closed]

Yesterday I found out this application called Franz. Their policy says they don't collect any information about your chats and can't read them (because it's just an application who bundles them all ...
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1answer
2k views

Burp with whatsapp

While doing some pentesting on an android app with Burp setup as a proxy (with https) I saw no traffic coming from whatsapp messages that I received or send. I looked around in Burp, but I cannot ...
5
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1answer
274 views

Can WhatsApp recover Google Drive backups if the phone is not connected to the original Google account?

Last week Brazilian news outlets reported a scam involving WhatsApp where an attacker could get access to an WhatsApp account by activating the target phone number on a different device in control of ...
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1answer
17k views

How to find who hacked my WhatsApp account and sent messages via WhatsApp web [duplicate]

I want to know I can get the location/IP address of the sender of a WhatsApp message sender which was sent using WhatsApp Web. Someone has logged into my WhatsApp account and sent messages to my ...
4
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4answers
792 views

Whatsapp is adding passwords: what is the threat model that they want to protect their users from?

Whatsapp has announced that they are introducing 2FA to their service. Normally, services rely on a password (what you know), and adding 2FA means that they require an additional code sent via SMS to ...
3
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2answers
11k views

Whatsapp analysis on Wireshark

I have been asked to do a paper on Whatsapp for Networks (college class). As far as I know, it is based on XMPP. But I can't find any of its packages on the WireShark process (using whatsapp web), ...
6
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1answer
2k views

Sniffing WhatsApp Traffic

I was wondering if its possible to obtain private keys for Whatsapp to be able to sniff traffic between two WhatsApp Android devices (both under my control). I understand that WhatsApp traffic is now ...
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1answer
216 views

Why you can't see online status of others if you hide yours? [closed]

In many apps, like Facebook or WhatsApp, you cannot see online status of others if you hide yours (WhatsApp) or disable chat (Facebook website/Messenger). Why and how this should be considered a ...