Topics /

Security & Privacy

The most popular blog posts about security & privacy on Hacker News. 642 posts.

2022
307

We found critical vulnerabilities in Hive Social

Dieser Artikel ist auch auf deutsch erschienen. Update: The vulnerabilities are currently no longer exploitable because Hive deactivated their servers. More details Following the Twitter takeover, a number of services promising to be an alternative gained traction. One of those is “Hive Social”, which reached more…

314

Elliptic Curve Cryptography: A Basic Introduction

Elliptic Curve Cryptography (ECC) is a modern public-key encryption technique famous for being smaller, faster, and more efficient than incumbents. Bitcoin, for example, uses ECC as its asymmetric cryptosystem because it is so lightweight. The mathematical entity that makes all of this possible is the elliptic curve…

315

New Pegasus spyware abuses identified in Mexico

Mexican digital rights organization R3D, with technical support from the Citizen Lab, has determined that Mexican journalists and a human rights defender were infected with Pegasus between 2019 and 2021. The infections occurred years after the first revelations of Pegasus abuses in Mexico, and after Mexico’s current…

318

Towards a More Open Secure Element Chip

“ Secure Element ” (SE) chips have traditionally taken a very closed-source, NDA-heavy approach. Thus, it piqued my interest when an early-stage SE chip startup, Cramium (still in stealth mode), approached me to advise on open source strategy. This blog post explains my reasoning for agreeing to advise Cramium, and…

320

Who's Attacking My Server?

One of the unexpected 1 outcomes of the Russian invasion in Ukraine is a large increase in nefarious access attempts to servers under my control, not necessarily appearing to arise from Russian IP addresses. There are the usual attempts at brute-forcing SSH access, for instance, but also a flurry of malevolent HTTP(S)…

322

A New Future for GnuPG

It has been quite some time since my last status report on GnuPG. I have been quite busy working on the project but unfortunately rarely active on the usual channels. So, here is a new report telling what we did over the last two or three years. Please read at least the last section.