Tag: security

  • A New Approach to Defeating Audio Capture Transcription

    In a previous message, we discussed the revelation that various videoconferencing apps were continuing to collect audio data even when microphones were muted, against the expectations of most users.   Taking concerns further, if you wish to guard against an unknown microphone surreptitiously listening in on your conversations, what can be done to make sure the recorded…

  • Muting in Virtual Meetings May Not Guarantee Privacy

    It is not unreasonable to assume that when you mute yourself in a virtual meeting, your microphone will no longer be accessed by the meeting application. However, a new study from the University of Wisconsin-Madison has found that in all cases, videoconferencing apps do not give up access to the microphone and collect some data.…

  • New Technique Promises to Improve Privacy and Security for Cloud-Hosted Photos

    It is increasingly easy to generate large amounts of content online. With a click of a button, moments of our lives are created in photo and video and whisked immediately into the cloud. These digital assets can become a target to attackers for purposes of extortion, public embarrassment, using location meta-data for stalking, etc. In…

  • Clever persistent online tracking method via favicons

    You are probably familiar with favicons, small (16×16 pixel) icons associated with websites. The icon is typically displayed on the browser tab of the website you are visiting.  However, you are probably not aware that multiple favicons could be used to fingerprint and track devices as you visit websites.   A new research from the University of Illinois [*] explores…