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Technology

The simplest form of technology is the development and use of basic tools. The prehistoric discovery of how to control fire and the later Neolithic Revolution increased the available sources of food, and the invention of the wheel helped humans to travel in and control their environment.

Configuration Distribution at Internet Scale

Configuration Distribution at Internet Scale

This post originally appears here Cloudflare’s network processes more than fourteen million HTTP requests per second at peak for Internet users around the world. We spend a lot of time thinking about the tools we use to make those requests faster and more secure, but a secret-sauce which makes

Data flow analysis: DepGraph

Data flow analysis: DepGraph

In binary analysis, a recurrent problem is to track back a register or memory value (we will call them variables in the rest of the blog entry). To present the problem, we will use a simplified representation instead of barbarous assembly. Here is a first example: Here are some questions

Command PATH security in Go: Bugfix Mechanism

Command PATH security in Go: Bugfix Mechanism

Today’s Go security release fixes an issue involving PATH lookups in untrusted directories that can lead to remote execution during the go get command. This post details the bug, the fixes we have applied, how to decide whether your own programs are vulnerable to similar problems, and what you

Researchers Disclose Undocumented Chinese Malware Used in Recent Attacks

Researchers Disclose Undocumented Chinese Malware Used in Recent Attacks

Cybersecurity researchers have disclosed a series of attacks by a threat actor of Chinese origin that has targeted organizations in Russia and Hong Kong with malware — including a previously undocumented backdoor. Attributing the campaign to Winnti (or APT41), Positive Technologies dated the first attack to May 12, 2020, when the

Reverse Engineering the source code of the BioNTech/Pfizer SARS-CoV-2 Vaccine

Reverse Engineering the source code of the BioNTech/Pfizer SARS-CoV-2 Vaccine

Welcome! In this post, we’ll be taking a character-by-character look at the source code of the BioNTech/Pfizer SARS-CoV-2 mRNA vaccine. Now, these words may be somewhat jarring – the vaccine is a liquid that gets injected in your arm. How can we talk about source code? This is a

How to leave Google and why

How to leave Google and why

You should already know how big tech companies like Google or Facebook are using your private data to make revenue from targeted ads (and sometimes maybe sell it under the hood without your knowledge). There is no secret about data being the most valuable asset on earth now – even exceeding

Hiding execution of unsigned code in system threads

Hiding execution of unsigned code in system threads

Anti-cheat development is, by nature, reactive; anti-cheats exist to respond to and thwart a videogame’s population of cheaters. For instance, a videogame with an exceedingly low amount of cheaters would have little need for an anti-cheat, while a videogame rife with cheaters would have a clear need for an