Telegram – Noise

Matthew Green on Telegram’s Encryption

Bruce Schneier — Wed, 28 Aug 2024 11:00:40 +0000

Matthew Green wrote a really good blog post on what Telegram’s encryption is and is not. EDITED TO ADD (8/28): Another good explainer from Kaspersky.

Fake Signal and Telegram Apps in the Google Play Store

Bruce Schneier — Thu, 14 Sep 2023 11:05:51 +0000

Google removed fake Signal and Telegram apps from its Play store.

An app with the name Signal Plus Messenger was available on Play for nine months and had been downloaded from Play roughly 100 times before Google took it down last April after being tipped off by security firm ESET. It was also available in the Samsung app store and on signalplus[.]org, a dedicated website mimicking the official Signal.org. An app calling itself FlyGram, meanwhile, was created by the same threat actor and was available through the same three channels. Google removed it from Play in 2021. Both apps remain available in the Samsung store...

Какво се случва с банките в момента, преведено на достъпен език

VassilKendov — Fri, 17 Mar 2023 15:55:31 +0000

Лично моето очакване е за още по-висока инфлация и лихви, което да доведе до условия за въвеждане на CBDCs – дигитални пари. Но това е друга тема и за последствията от тяхното въвеждане тепърва ще четете, а аз тепърва ще пиша.

The post Какво се случва с банките в момента, преведено на достъпен език appeared first on Kendov.com.

Finding the Location of Telegram Users

Bruce Schneier — Thu, 14 Jan 2021 12:08:27 +0000

Security researcher Ahmed Hassan has shown that spoofing the Android’s “People Nearby” feature allows him to pinpoint the physical location of Telegram users:

Using readily available software and a rooted Android device, he’s able to spoof the location his device reports to Telegram servers. By using just three different locations and measuring the corresponding distance reported by People Nearby, he is able to pinpoint a user’s precise location.

[…]

A proof-of-concept video the researcher sent to Telegram showed how he could discern the address of a People Nearby user when he used a free GPS spoofing app to make his phone report just three different locations. He then drew a circle around each of the three locations with a radius of the distance reported by Telegram. The user’s precise location was where all three intersected...