More Security Leftovers
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Types of DDoS Attacks
Distributed Denial of Service attacks (DDoS) are a favorite attack method of hackers and hacktivists, in large part due to their simplicity. We list the different types of DDoS attacks and offer resources to stop DDoS attacks.
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Using Emoji for fingerprint verification
The messaging app Telegram recently introduced end-to-end encrypted voice calls. As most of you probably know, encryption without verification is pretty useless since there is the risk of man-in-the-middle attacks. I don’t want to get too much into details about this. The point I want to make is, that you should verify your partners fingerprint (hash of the used key) in order to be secure.
The interesting part of Telegrams new feature is the way they verify fingerprints. Traditionally you are presented with a String of (typically hexadecimal – 0-9,A-F) characters. In the case of Conversations the fingerprint are 64 hexadecimal characters. Telegram on the other hand introduced the way of displaying 4 out of a set of 333 emojis (1). Note that this is only used to verify that the current voice call is secure. The next call would have a different fingerprint, so keep in mind, that we are talking about two different use cases here.
Still, how do those two methods compare? Could we use emoji in conversations to verify the fingerprint of identity keys?
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HandBrake For Mac Mirror Server Was Compromised And Infected With PROTON Malware
HandBrake is an open-source and free transcoder for digital video files. It makes ripping a film from a DVD to a data storage device such as NAS boxes easier. HandBrake works Linux, macOS, and Windows. A Recent version of Handbrake for Mac and possibly other downloads at the same site infected with malware. If you have downloaded HandBrake on Mac between 2/May/2017 and 06/May/2017, you need to delete the file ASAP. HandBrake infected with a new variant of OSX.PROTON malware.
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