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Engineering News

A Detailed Look at RFC 8446 (a.k.a. TLS 1.3)

For the last five years, the Internet Engineering Task Force (IETF), the standards body that defines internet protocols, has been working on standardizing the latest version of one of its most important security protocols: Transport Layer Security (TLS). TLS is used to secure the web (and much more!), providing encryption and ensuring the authenticity of every HTTPS website and API. The latest version of TLS, TLS 1.3 (RFC 8446) was published today. It is the first major overhaul of the…

Interning on Square’s Risk Team – Square Corner Blog – Medium

Square’s main purpose is economic empowerment. Most people associate the company most strongly with its credit card processing product, the iconic Square Reader. Square’s credit card reader Allowing small businesses to accept credit cards has enabled them to grow their businesses in an era where everything is going digital. Today, I can tap my phone to buy groceries without ever pulling out a physical card. However, credit cards are an inherently risky business; credit card fraud accounts for $190 billion in…

Announcing tools to help partners improve connectivity – Facebook Code

High quality internet access helps people communicate, share knowledge, and strengthen their communities and economies — yet billions of people still lack baseline connectivity. To address this problem, we are building a diverse set of technologies, products, and partnerships designed to expand the boundaries of existing connectivity quality and performance, catalyze new market segments, and bring better access to the unconnected. Facebook’s connectivity efforts focus on accelerating the expansion and improvement of connectivity around the world. This includes our work…

Thinking developed in childhood makes people vulnerable, researchers say — ScienceDaily

Thought processes and belief systems that people develop early in life to help protect against the anxiety and stress of an uncertain world may help explain why some individuals fall victim to what has come to be known as fake news, but psychologists can offer some strategies to defend against it, according to a series of presentations at the annual convention of the American Psychological Association. “At its core is the need for the brain to receive confirming information that…

Machine-learning system determines the fewest, smallest doses that could still shrink brain tumors — ScienceDaily

MIT researchers are employing novel machine-learning techniques to improve the quality of life for patients by reducing toxic chemotherapy and radiotherapy dosing for glioblastoma, the most aggressive form of brain cancer. Glioblastoma is a malignant tumor that appears in the brain or spinal cord, and prognosis for adults is no more than five years. Patients must endure a combination of radiation therapy and multiple drugs taken every month. Medical professionals generally administer maximum safe drug doses to shrink the tumor…

Welcome New Faculty – University of Missouri College of Engineering

The College of Engineering is excited to announce new faculty hires for the upcoming academic year, many of which are joint hires. These new faculty members bring world-class expertise, strong research capabilities and the ability to shape engineering students into future engineering leaders while supporting our pillars of pursuit. Big Data Analytics Derek Anderson, associate professor, Electrical Engineering and Computer Science: Derek joined the college in January as an associate professor in the Electrical Engineering and Computer Science Department. He…

Getting to Know Terry Juan Bates

Terry at our LinkedIn Sunnyvale office  Terry Bates is a Site Reliability Engineer working on the Development Tools SRE team. This team is responsible for providing operational support, application monitoring, and customized tooling for the Development Tools software engineering team. The Development Tools organization implements services that handle direct and transitive dependencies between software components, automates release and deployment processes, and provides a platform for code reviews and source control management. Terry’s focus has been on mitigating the support challenges surrounding…

Testing Golang Services at Wealthfront – Engineering Blog – Wealthfront

As Wealthfront grows our company and products, scaling our engineering organization requires robust, well tested infrastructure and tooling provided by the DevOps team. In this blog post, I’ll go over how DevOps is defined at Wealthfront, why we use Go, and a brief overview of how we test Go. What is DevOps at Wealthfront? At Wealthfront, we define DevOps as the team that manages the hardware and software infrastructure to support and develop our products. While backend engineering teams mainly…

Comparing Two Forward Feature Selection Algorithms – Square Corner Blog – Medium

I. Introduction In this post, we review some things we learned from our first experiments on production feature selection applications. We focus on two variants of stepwise selection: (1) The linear stepwise selection method of Efroymson [2], herein known as linear forward stepwise, and (2) a custom logistic regression stepwise selection method using two passes through the data that we dub two-pass forward stepwise. Both methods rely on using a simple approach to iteratively select the most relevant features. Once…

Optimising Caching on Pwned Passwords (with Workers)

In February, Troy Hunt unveiled Pwned Passwords v2. Containing over half a billion real world leaked passwords, this database provides a vital tool for correcting the course of how the industry combats modern threats against password security. In supporting this project; I built a k-Anonymity model to add a layer of security to performed queries. This model allows for enhanced caching by mapping multiple leaked password hashes to a single hash prefix and additionally being performed in a deterministic HTTP-friendly…