Author: HackWatchit

Silver Fox, a China-based threat actor that may or may not be backed by the Chinese government, has been delivering the ValleyRAT backdoor to unsuspecting users by disguising the malware as legitimate healthcare app (the Philips DICOM viewer), a Windows text editor (EmEditor), and system drivers and utilities. The ValleyRAT malware How the malware gets served to users is unknown. In previous attacks attributed to Silver Fox, the group has used SEO poisoning and / or phishing to get users to install their ValleyRAT (aka Winos 4.0) malware. After analyzing over two dozen samples of the initial malicious executable, which…

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With less than 60 days left until Election Day, the digital landscape has become a battleground not just for votes but for your personal security. With political ads, fake voter registration sites, and disinformation campaigns cropping up everywhere, it’s essential to stay vigilant against common election scams and election manipulation schemes. Here’s how you can navigate this crucial time safely. Understanding Misinformation vs. Disinformation Before diving into specific scams, it’s important to differentiate between misinformation and disinformation. Misinformation refers to false or misleading information shared without malicious intent, often due to ignorance or misunderstanding. Disinformation, on the other hand, is…

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How are you, hacker? 🪐 What’s happening in tech today, February 24, 2025? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, Signing of the Gonski Review in 2012, Gold was discovered at Sutter’s Mill in 1848, and we present you with these top quality stories. From NVIDIA is Creating a Problem It Can Profit From to Changing Keys, Losing Values, let’s dive right in. By @juancguerrero [ 3 Min read ] Elon Musks Department of Government Efficiency (DOGE) isnt just about cutting costs. Its forcing a fundamental split in state functions through blockchain. Read…

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If you’re in Puerto Rico, you’re lucky to be able to browse the internet freely, particularly compared to countries that impose strict internet censorship, such as China. That’s not to say that you’ll never encounter issues, however. Citizens of every country, Puerto Rico included, have to contend with region-locked content, including banks, gambling platforms, news sites, or streaming services. Worse still, your ISP can see the websites you’re visiting. A VPN offers numerous benefits. It connects you to a server in your preferred location and encrypts your traffic. With your data and IP address hidden, you can browse anonymously without…

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Social media connects us to friends, trends, and news in real time—but it also opens the door to scammers looking to exploit trust and curiosity. From fake giveaways to impersonation scams, fraudsters use sophisticated tactics to trick users into handing over personal information, money, or access to their accounts.  Even the most internet-savvy users can fall victim to these deceptive schemes. That’s why it’s crucial to recognize the red flags before it’s too late. Whether it’s a DM from a “friend” in trouble, a deal that seems too good to be true, or a sudden request to verify your account,…

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In episode 39 of the AI Fix, our hosts watch a drone and a robot dog shoot fireworks at each other, xAI launches Grok 3, Mark explains that AIs can design genomes now, a robot starts a punch up, Zuck becomes a mind reader, an AI cracks a ten-year science question in two days, and an anatomically accurate synthetic human recreates a terrifying scene from The Long Good Friday. Graham learns that it always pays to be polite before running over 15 people with a train, and Mark discovers why AIs value some lives more than others, particularly their own.…

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1. Introduction We’re all used to work with CSVs, JSON files… With the traditional libraries and for large datasets, these can be extremely slow to read, write and operate on, leading to performance bottlenecks (been there). It’s precisely with big amounts of data that being efficient handling the data is crucial for our data science/analytics workflow, and this is exactly where Apache Arrow comes into play.  Why? The main reason resides in how the data is stored in memory. While JSON and CSVs, for example, are text-based formats, Arrow is a columnar in-memory data format (and that allows for fast…

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Cybersecurity threats in crypto are rising, from the Bybit hack to fake wallets stealing funds. Learn how to protect your assets with secure wallets and best practices. Cryptocurrency has revolutionized finance forever, but it has also exposed users to cybercriminals and scams. From large-scale exchange breaches to malicious wallets sneaking into app stores, the risks are growing. If you’re in crypto, securing your assets is no longer optional; it’s a necessity. The Bybit Hack: A Wake-Up Call Just recently, Bybit, one of the world’s largest cryptocurrency exchanges, suffered a massive security breach. Hackers from the North Korean Lazarus Group managed…

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