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The Hacker News - Cybersecurity News and Analysis: voice calling

Wi-Fi can be turned into IMSI Catcher to Track Cell Phone Users Everywhere

Wi-Fi can be turned into IMSI Catcher to Track Cell Phone Users Everywhere

November 04, 2016Swati Khandelwal
Image Source: Libelium Here's a new danger to your smartphone security: Your mobile device can be hijacked and tracked without your knowledge. Remember Stingrays ? The controversial cell phone spying tool, also known as " IMSI catchers ," has long been used by law enforcement to track and monitor mobile users by mimicking a cellphone tower and tricking their devices to connect to them. Sometimes it even intercepts calls and Internet traffic, sends fake texts, and installs spyware on a victim's phone. Setting up such Stingrays-type surveillance devices , of course, is expensive and needs a lot of efforts, but researchers have now found a new, cheapest way to do the same thing with a simple Wi-Fi hotspot. Yes, Wi-Fi network can capture IMSI numbers from nearby smartphones, allowing almost anyone to track and monitor people wirelessly. IMSI or international mobile subscriber identity is a unique 15-digit number used for authentication of a person when movi
Mozilla to Provide WebRTC-based Free Firefox To Firefox Voice and Video Calling feature

Mozilla to Provide WebRTC-based Free Firefox To Firefox Voice and Video Calling feature

June 01, 2014Mohit Kumar
Mozilla is planning to provide a new feature that will allow free audio and video calls between its Firefox web browser , thereby ending the need of any third-party client service or plugin. Mozilla will soon release a new experimental version of Firefox Nightly , which will include an open source and Peer-to-peer communication protocol called WebRTC that enables Real-Time Communications (RTC) capabilities between two web browsers via simple Javascript APIs. NO PLUGINS REQUIRED WebRTC is not a web browser plugin, and its components run in the browser sandbox. Its components do not require separate installation or any separate process to run and it will receive its updates along with the web browser updates. " No plugins, no downloads. If you have a browser, a camera and a mic, you'll be able to make audio and video calls to anyone else with an enabled browser ." reads the blog post and when the camera or microphone are running, this is clearly shown by the Fire
Skype leaves Sensitive User Data Unencrypted Locally On Computers

Skype leaves Sensitive User Data Unencrypted Locally On Computers

April 29, 2014Swati Khandelwal
An application should always encrypt users' sensitive data, either it is local or stored on company servers, but still many popular services failed to provide fully secured solutions to their users. Cristian Dinu (DrOptix) and Dragoş Gaftoneanu , Romanian programmers at Hackyard Security Group , a private community dedicated to IT security research approaches ' The Hacker News ' editorial and claimed that the Microsoft owned most popular free voice calling service Skype leaves its local database unencrypted, that puts users' sensitive information at risk. All Skype-to-Skype voice, video, file transfers and instant messages are encrypted. Though, Skype's local database is also supposed to be encrypted because it is sensitive enough, but  Dragoş  found that Skype leaves users' full name, birthday, phone numbers, country, city and even full chat conversations unencrypted on the systems' hard drive in a known location without any encryption or password.
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