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How did I turn my Browser into a Port Scanner? Tricksy but doable

How did I turn my Browser into a Port Scanner? Tricksy but doable

Modern web browsers are full of features. It’s possible to watch movies, listen to music, and make phone and video calls with just a few…
Go to the profile of Ossi Herrala
Ossi Herrala
URI:telegram

URI:telegram

TL;DR: Update Telegram’s macOS clients to version 2.28 or newer. Earlier versions leak URLs from secret chats. NCSC-FI has released an…
Go to the profile of Joachim Viide
Joachim Viide
URI:teller & a Call for the Curious

URI:teller & a Call for the Curious

Last friday we quietly rolled out a new service called URI:teller. When I say “quietly” I don’t count our friends whom we immediately…
Go to the profile of Joachim Viide
Joachim Viide

Don’t waste cycles with modulo bias!

TL;DR Use proper function to generate uniform random values (like arc4random_uniform()) instead of fighting against modulo bias yourself.
Go to the profile of Ossi Herrala
Ossi Herrala
dnsnitch knows Your name servers, do you?

dnsnitch knows Your name servers, do you?

Almost every article about DNS tells it’s the “Internet’s Phonebook”. DNS translates human comprehensible names (like “medium.com”) into…
Go to the profile of Ossi Herrala
Ossi Herrala
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