Semaphor messenger7/30/2023 And still nobody can seem to settle on a standard or make something that isn't complete marketing horse****, impossible to use, or subtly insecure. Mildly depressing? OrangeTide swearily reacts: It's been over 30 years since the specifications for IRC and Zephyr. … They told us that they consider this to be working as intended: Instagram Facebook Messenger download entire files … even files gigabytes in size. It may not sound like much … but hackers can be creative. … We were able to confirm that we had at least 20 seconds of execution time on these servers. … Instagram and LinkedIn … trust code that may be found in all the random links that get shared in chats. Most websites these days contain Javascript code. … This defeats the purpose of end-to-end encryption. When the LINE app opens an encrypted message and finds a link, it sends that link to a LINE server to generate the preview. … There’s one big takeaway here for developers: Whenever you’re building a new feature, always keep in mind what sort of privacy and security implications it may have, especially if this feature is going to be used by thousands or even millions of people around the world. The researchers, Talal Haj Bakry and Tommy Mysk, explain themselves- How a Simple Feature Can Have Privacy and Security Risks: Link previews are a good case study of how a simple feature can have privacy and security risks. For instance, Signal, Threema, TikTok, and WeChat all give the users the option of receiving no link preview. … Most messaging apps are doing things right. The app itself-or a proxy designated by the app-has to visit the link, open the file there, and survey what’s in it. … Unfortunately, they can also leak our sensitive data. They can also compromise privacy or security.: Link previews … make online conversations easier by providing images and text associated with the file that’s being linked. But only Facebook’s platforms were seen massive files, beyond the size needed for a preview.Īnd Dan Goodin adds in- Link previews provide convenience. … A number of messaging platforms take this approach-Facebook Messenger and stablemate Instagram, LinkedIn, Slack, Twitter, Zoom and Google Hangouts among them. The final option server-side link previews, is a potential security nightmare. … It might disclose your IP address, presents an attack vector to discover target locations. The opposite approach is receiver-side link previews-and this is dangerous. Tommy Mysk and Talal Haj Bakry … initially set out to study how various messaging platforms handled so-called “link previews.” … The main end-to-end encrypted messengers, including WhatsApp and iMessage, generate link previews on the sender-side, is a fairly safe security bet. The team behind the report has good form in holding major tech platforms to account on security grounds. downloads your private content to its own servers without any warning. What’s the craic, Zac? Mister Doffman reports- Why You Should Stop Using Your Facebook Messenger App: Everything you send on Messenger passes through Facebook servers to which it has access. Not to mention: Is Amazon lying to you? Crouching feature hidden threat Your humble blogwatcher curated these bloggy bits for your entertainment. I know, right? In this week’s Security Blogwatch, we revert to semaphore and smoke signals. Other services actually run untrusted JavaScript on their servers! In some cases, link previews even break E2EE. Also heavily criticized are Discord, LinkedIn, Slack, and Zoom-among others. The worst are Facebook’s Messenger and Instagram, plus LINE. That’s the conclusion of a pair of well-known infosec researchers this week. Many messaging apps do link previews insecurely.
0 Comments
Leave a Reply.AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |