Collaborate Disseminate
My question refers to a behavior on a production system with more than 100 million chat users.
Some time ago I changed my account password and removed all devices connected to my account.
The next day I noticed that during the night I stil… Continue reading Deauthorization Bug in messenger application – How serious is this?
A joint operation headed by European and British law agencies dismantled the Encrochat messaging service, leading to the arrests of more than 100 people as well as the seizure of numerous weapons and ammunitions, drugs and millions in criminal funds. E… Continue reading European Agencies Hack Criminal Encrochat Messaging System
Having an open-source communication device that is independent of any network and works without fees sounds like a hacker’s dream come true. Well, this is exactly what [bobricius]’ is aiming at with his Armawatch and Armachat devices.
Recently, [bobricius] built a LoRa based instant messaging device named Armachat. The gadget …read more
Continue reading An Off-The-Grid Instant Messaging Plattform
In the Telegram API it is stated that Telegram support Perfect Forward Secrecy in their “secret chats”. It is also stated that
official Telegram clients will initiate re-keying once a key has been used to decrypt and encrypt more than… Continue reading Do the Secret Chats of Telegram really support Perfect Forward Secrecy?
I got a Facebook message from a friend, with a link to a supposed YouTube video, but instead it was pointing to plum1998318 dot brizy dot site.
Then I notices that someone posted on this friend’s Facebook wall that he got a message, click… Continue reading Is "brizy dot site" a known malicious website?
Enshrined in the hacker hall of fame, the IM-Me was an instant messaging toy that turned out to be extremely hackable. You could easily ditch its instant messaging platform to turn it into a little spectrum analyser. Of course what’s old is new again, and in this age where we …read more
Facebook announced an interesting new limitation to WhatsApp with the clear goal of curbing the spread of false information related to COVID-19. While it’s difficult to dispute the benefits of having a messaging application with such a widespread… Continue reading WhatsApp Limits Message Forwarding to Prevent Spread of Misinformation
I have been learning the famous “SIGNAL MESSAGING PROTOCOL”, Its brilliantly designed and perfectly secure , but I doubt on its implementations
Famous messenger services like Whatsapp and Signal claim to have implemented the
e2e messagi… Continue reading Are Whatsapp and Signal truly secure and user-privacy friendly?
Facebook has done this before: it did it with WhatsApp, following an outbreak of lynchings sparked by viral social media hoaxes. Continue reading Facebook Messenger may ban mass-forwarding of messages
A hacker A is following a victim B on his Private Instagram account, and he find out a way so that anyone who is not following B also can see B’s pics.
Will Instagram reward such bugs?
Continue reading Will Instagram reward a hacker for this hypothetical bug? [closed]