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Security & Privacy

The most popular blog posts about security & privacy on Hacker News. 678 posts.

2021
662

AWS Identity service handles 400M API calls every second

Amazon S3 turned 15 earlier this year, and Amazon EC2 will do the same in a couple of months. Today we are celebrating the tenth birthday of AWS Identity and Access Management (IAM). The First Decade Let’s take a walk through the last decade and revisit some of the most significant IAM launches: May 2011 […]

666

; Echo “Shell Injection”

This is an introductory article about shell injection, a security vulnerability allowing an attacker to execute arbitrary code on the user's machine. This is a well-studied problem, and there are simple and efficient solutions to it. It's relatively easy to design library API in such a way as to shield the application…

676

What science can tell us about C and C++'s security

There are not a lot of very strong empirical results in the field of programming languages . This is probably because there’s a huge amount of variables to control for, and most of the subjects available to researchers are CS undergraduates. However, I have recently found a result replicated across numerous codebases…

678

Ethereum is a Dark Forest

It’s no secret that the Ethereum blockchain is a highly adversarial environment. If a smart contract can be exploited for profit, it eventually will be. But this unforgiving environment pales in comparison to the mempool. If the chain itself is a battleground, the mempool is something worse: a dark forest.