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Log4Shell vulnerability: Identifying and minimizing production risk

Dynatrace

This means that an attacker with control over a string that gets passed to the log4j 2 logger can trick the application into requesting a resource from a server under the attacker’s control, then load it, and then execute it. Public Internet Exposure. It results in remote code execution (RCE) by submitting a specially composed request.

Java 260
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Stuff The Internet Says On Scalability For November 30th, 2018

High Scalability

8 : successful Mars landings; $250,000 : proposed price for Facebook Graph API; 33 : countries where mobile internet is faster than WiFi; 1000s : Facebook cache poisoning; 8.2 ” @emileifrem : Adobe used 125 MongoDB servers to run their activity feed. It was replaced by 48 Cassandra servers. servers of Neo4j.

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Log4j 2 Vulnerability: Identifying and Minimizing Production Risk

Dynatrace

This means that an attacker with control over a string that gets passed to the log4j 2 logger can trick the application into requesting a resource from a server under the attacker’s control, then load it, and then execute it. Public Internet Exposure. It results in remote code execution (RCE) by submitting a specially composed request.

Java 246
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Time to First Byte: What It Is and Why It Matters

CSS Wizardry

A lot of people surmise that TTFB is merely time spent on the server, but that is only a small fraction of the true extent of things. TTFB isn’t just time spent on the server, it is also the time spent getting from our device to the sever and back again (carrying, that’s right, the first byte of data!). Expect closer to 75ms.

Latency 270
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Rapid Event Notification System at Netflix

The Netflix TechBlog

To this end, we developed a Rapid Event Notification System (RENO) to support use cases that require server initiated communication with devices in a scalable and extensible manner. While a mobile device is almost always connected to the internet and reachable, a smart TV is only online while in use.

Systems 334
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What is Cloud Computing? According to ChatGPT.

High Scalability

Cloud computing is a model of computing that delivers computing services over the internet, including storage, data processing, and networking. It allows users to access and use shared computing resources, such as servers, storage, and applications, on demand and without the need to manage the underlying infrastructure.

Cloud 201
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Privacy controls and barriers to session replay

Dynatrace

Session replay is a real user monitoring technology that creates video-like recordings — or snapshots — of how users navigate and interact with a company’s website or mobile application. This private, personal information is then typically sent to third-party servers for recording and playback of the individual browsing session.

Analytics 246