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Category: Telecommunications Engineering

Concise (Post-Christmas) Cryptography Challenges

It’s the day after Christmas; or, depending on your geography, Boxing Day. With the festivities over, you may still find yourself stuck at home and somewhat bored. Either way; here are three relatively short cryptography challenges, you can use to keep you momentarily occupied. Other than the hints (and some internet searching), you shouldn’t require a particularly deep cryptography knowledge to start diving into these challenges. For hints and spoilers, scroll down below the challenges! Challenges Password Hashing The first…

Animations of Motor Proteins Moving Material Inside Cells » Curious Cat Science and Engineering Blog

Animations of Motor Proteins Moving Material Inside Cells Posted on December 23, 2017  Comments (0) Very cool. This next video gives a bit more information on how these amazing parts of our cells move material around inside or cells. This stuff is so interesting. I wish this type of interesting material and informative animations was what my biology education was like in k-12 instead of the boring stuff my classes were instead. I hope students today have better science classes…

Technical reading from the Cloudflare blog for the holidays

During 2017 Cloudflare published 172 blog posts (including this one). If you need a distraction from the holiday festivities at this time of year here are some highlights from the year. CC BY 2.0 image by perzon seo The WireX Botnet: How Industry Collaboration Disrupted a DDoS Attack We worked closely with companies across the industry to track and take down the Android WireX Botnet. This blog post goes into detail about how that botnet operated, how it was distributed…

Interviewing Tips for Android Engineers – Lyft Engineering

Lyft is committed to building some of the most exciting and innovative products for our tens of millions of customers. We want to fundamentally change the way people get around cities, and improve the wellbeing of others by connecting people together. The Android team is focused on bringing these ideas to life, and if you are an enthusiastic app developer interested in building the future of transportation we’d love to talk more. My name is Pierce and I work on…

2018 and the Internet: our predictions

At the end of 2016, I wrote a blog post with seven predictions for 2017. Let’s start by reviewing how I did. Public Domain image by Michael Sharpe I’ll score myself with two points for being correct, one point for mostly right and zero for wrong. That’ll give me a maximum possible score of fourteen. Here goes… 2017-1: 1Tbps DDoS attacks will become the baseline for ‘massive attacks’ This turned out to be true but mostly because massive attacks went…

‘Listening’ drone helps find victims needing rescue in disasters

Blue circles on the map (top right) indicate the detected sound source locations.https://youtu.be/xsD4saM6vFo Credit: Kumamoto Univiversity, Tokyo Institute of Technology and Waseda University “Robot audition” is a research area that was proposed by Adjunct Professor Kazuhiro Nakadai of Tokyo Institute of Technology (Tokyo Tech) and Professor Hiroshi G. Okuno of Waseda University in 2000. Until then, robots had not been able to recognize voices unless a microphone was near a person’s mouth. Development of “robot ears” began advancing with the…

Continuous Improvement – Medium Engineering

Continuous improvement is a core value of our culture here at Medium. Recently, we introduced a new RCA process to help us better understand why things go wrong and how we can improve our service and processes. RCA stands for Root Cause Analysis. The goal of the analysis is to identify the root causes of an incident so it can be learned from and the incident can be prevented in the future. An incident can be unexpected downtime, an out…

New company’s technology lets quadriplegics use the phone without physical assistance

A day after Oded Ben Dov appeared on Israeli television to promote his video game technology, which allowed players to control their games by moving their heads, a viewer called him with another suggestion for the software. “I can’t move my arms or legs,” the viewer told him. “Can you make a smartphone that I can use?” That conversation more than four years ago led to the creation of Open Sesame, an app that allows people to control a…

Stopping fraudsters by changing products – Lyft Engineering

This medium post is on joint work from the Fraud and Identity teams @Lyft. Key contributors include Sam King, Will Megson, Steven Liu, Mike Ross, Ryan Choi, Ryan McGowan, Glen Robertson, Adam Wushensky, Donald Chen, Helen Lau, and Siwei Shen. Goals Our overall goal is to prevent account takeover, stop scripts and automated apps from accessing our servers, and minimize financial loss due to fraud. We focused our efforts on identifying three fundamental properties: Identifying automation or non-human traffic. Identifying…