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🪐 What’s happening in tech today, July 13, 2025?

The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, New York City Loses Power in 1977, John F. Kennedy Nominated for Presidency in 1960, Live Aid Concert Organized in 1985, and we present you with these top quality stories. From Junior Cybersecurity Roles Are Vanishing—Blame Agentic AI to How to Fix Data Skew in Apache Spark with the Salting Technique, let’s dive right in.

What Trended This WeeK?

#01

Bitcoin

$118845.11 +1.24%

Trevor Koverko: From Athlete to AI Data Entrepreneur

By @danstein [ 3 Min read ]

From NHL draft pick to brain injury survivor to Web3 and AI pioneer, Trevor Koverko’s journey is one of resilience, reinvention, and impact. Read More.

5 Data Breaches That Ended in Disaster (and Lessons Learned)

By @n2w [ 2 Min read ]

Explore 5 major data breaches that shut down companies—and learn key lessons in backup, security, and disaster recovery to protect your business. Read More.

Case Study: How We Built an AI-Based Moderation System

By @socialdiscoverygroup [ 6 Min read ]

Explore how an online dating platform scaled AI moderation with ChatGPT, custom prompt engineering, and in-house data labeling to cut review time 60x. Read More.

Machine Identities Are Taking Over—Is Your Access Model Ready?

By @permit [ 10 Min read ]

Machine identities are set to outnumber human users in every system. Learn why treating machine identities like human ones is crucial for security. Read More.

Complete Gemini CLI Setup Guide for Your Terminal

By @proflead [ 5 Min read ]

Bring Google’s Gemini AI to your terminal with Gemini CLI. Learn how to install, use, and unlock powerful developer tools—100% free. Read More.

How to Fix Data Skew in Apache Spark with the Salting Technique

By @hacker32086803 [ 7 Min read ]

Learn how to fix data skew in Apache Spark using the salting technique for improved performance and balanced partitions in Scala and PySpark. Read More.

Junior Cybersecurity Roles Are Vanishing—Blame Agentic AI

By @morpheuslord [ 6 Min read ]

MCP and ACP protocols are killing entry-level jobs. 94% of IT positions need experience, 90% of tasks automated. Adapt or perish in the AI job apocalypse. Read More.

Playwright MCP Server Is Here: Lets Integrate It!

By @brightdata [ 10 Min read ]

Let’s uncover what the Playwright MCP server brings to the table, and how to use it with the OpenAI Agents SDK. Read More.

Additional Stories of your interest:

New York City Loses Power

A 25-hour blackout hit the New York City area, affecting millions of people and causing widespread looting and arson. The event led to increased investment in power grid infrastructure and more reliable backup systems.