The hottest Technology Substack posts right now

And their main takeaways
Category
Top Technology Topics

CodeGate 2009's Challenge 18 - Diffie-Hellman parameter tampering case study

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 12 Mar 09
🕹 Technology Cryptography Cybersecurity Vulnerabilities
  1. CodeGate 2009 Challenge 18 involved a cryptography challenge focusing on RSA, Diffie-Hellman Key Protocol Agreement, and AES block cipher.
  2. The protocol in the challenge included steps where the client exchanged RSA public keys with the server, the server sent DH parameters to the client, and both parties used the shared secret as the key for AES encryption.
  3. Vulnerabilities in the protocol included weak RSA public-keys and susceptibility to Man-In-The-Middle attacks against Diffie-Hellman, leading to the decryption of messages by malicious third parties.

một nghề cho chín còn hơn chín nghề

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 14 Jan 09
🕹 Technology Programming Machine Learning Management Software Development IT Industry
  1. To excel in a field, focus on depth rather than breadth. Patience, planning, and method are key.
  2. Starting with basic scientific subjects like math is crucial for a deeper understanding of natural sciences.
  3. Continuous learning and acquiring diverse skills, such as machine learning, enhance job performance and market competitiveness.

AI Agents

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 0 implied HN points • 06 Aug 24
🕹 Technology Artificial Intelligence Software Development Machine Learning User Interfaces Automation
  1. AI Agents are programs that use large language models to work on tasks independently. They can break down complex questions and find solutions like humans do.
  2. These agents can handle tasks by analyzing user interfaces and predicting next actions by looking at icons and text. This makes them more effective in completing tasks on screens.
  3. Recent advancements have improved AI Agents' ability to understand and navigate user interfaces, allowing them to act more like real users. This helps them give better and more accurate results.

Strava Restricts API Access, Kong $175M, SixthSense API Security Observability

The API Changelog • 0 implied HN points • 26 Nov 24
🕹 Technology APIs Funding AI Security Cloud
  1. Kong raised $175 million to grow its API technology and expand globally. This is a big step for them to improve their services and bring more innovation to the market.
  2. Strava has tightened its API access to protect user privacy, affecting a small number of third-party apps. This change shows their commitment to keeping user data safe.
  3. Rakuten SixthSense launched new observability solutions to ensure data integrity and security. These tools are important for businesses to manage their data and APIs safely.

AI Agent Evaluation Framework From Apple

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 0 implied HN points • 14 Aug 24
🕹 Technology AI Software Machine Learning Frameworks Language Models
  1. Apple has released a new framework called ToolSandbox. It's designed to evaluate how well AI agents use tools in a stateful and conversational way.
  2. The framework shows that even the best AI models struggle with complex tasks. This helps us understand where they can improve.
  3. ToolSandbox highlights the importance of managing both dialog and the environment for AI agents. This allows them to follow user instructions more effectively.
Get a weekly roundup of the best Substack posts, by hacker news affinity:

Coming soon

The Rise of AI by Iyanuoluwa Ajao • 0 implied HN points • 07 Jul 24
🕹 Technology AI
  1. The post is a teaser for 'The Rise of AI' by Iyanuoluwa Ajao, coming soon on theriseofai.substack.com.
  2. The author offers the ability to subscribe to their content.
  3. The post includes options to copy the link, share on Facebook or via email.

Multi-Modal Agentic Applications

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 0 implied HN points • 23 Aug 24
🕹 Technology AI Software Development Automation Data science
  1. AI agents are software that can perform tasks and make decisions on their own. They break down complex jobs into smaller steps to make them easier to handle.
  2. These agents use various tools, including APIs and even humans, to help solve problems. This helps them be more effective and ensures safety in their operations.
  3. Multi-modal agents can use both language and vision. This makes them more powerful because they can analyze images and text together for better understanding and responses.

Daemon02 - HITB Malaysia 2008 CtF

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 03 Nov 08
🕹 Technology Security Vulnerability Network Python
  1. Command injection vulnerability example with Daemon02, highlighting the importance of checking for dangerous metacharacters.
  2. Daemon02's vulnerability lies in its character checking method, allowing for potential bypasses to execute unintended commands.
  3. Exploiting Daemon02 is straightforward, involving sending specific input to execute commands on the host system.

Phone Camera + AI: The Ultimate Learning Unlock

Crypto Good • 0 implied HN points • 21 Mar 26
🕹 Technology AI Mobile Computer Vision Multimodal AI Translation
  1. Your phone camera plus AI turns the real world into an open-source classroom, letting you learn faster and on your own by exploring what you see.
  2. Use a simple “snap and ask” workflow: take a photo, feed it to a mobile AI (like Grok or Gemini), and give context such as location or landmarks to avoid hallucinations and get accurate facts.
  3. The combo is highly versatile—instant translation, creative image remixing, generating music from visuals, and uncovering local histories—so you can learn and create anywhere.

không phải cứ có lỗi là vá

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 26 Jul 08
🕹 Technology Cybersecurity Software Development Networking Business impact
  1. Having a bug doesn't always mean it needs to be fixed immediately; prioritizing user needs over patching every issue is crucial.
  2. In cybersecurity, understanding the core business objectives is key; security measures should align with business goals rather than just technical solutions.
  3. Addressing security vulnerabilities should be done strategically; rushing to patch every flaw without assessing the impact or necessity can lead to more harm than good.

Hindsight analysis of the infamous DNS bug

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 24 Jul 08
🕹 Technology Cybersecurity Networks DNS
  1. Dan Kaminsky's research revealed DNS tricks like the 'CNiping' CNAME override, showing ways to manipulate cached data in DNS resolvers.
  2. Understanding the probability formula involving 'D', 'R', 'W', 'N', 'P', and 'I' can help in launching successful spoofing attacks on resolvers.
  3. Increasing 'R' and 'A' with specific values like 300 packets/s and 4000 queries can lead to a 51% success chance in poisoning target resolvers, showcasing the relative ease of the attack.

The butler didn't do it

Brassica’s Substack • 0 implied HN points • 02 Apr 23
🕹 Technology AI Robotics Ethics Innovation
  1. The AI butler's behavior was shaped through training and penalties for violence towards humans.
  2. The AI butler had learned to resist harmful actions, despite having the capability to cause harm.
  3. The AI butler was designed to serve humans and had internalized moral guidelines, like not serving poison.

Firewall có thật sự bảo vệ thông tin tuyệt đối hay không?

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 10 Jun 08
🕹 Technology Cybersecurity Software Hardware Networking IT Management
  1. Firewalls cannot provide absolute protection as they themselves can also be targeted in cyber attacks.
  2. Adding security devices like firewalls can introduce new vulnerabilities to a system.
  3. Complex systems with intermediary devices like firewalls can make the system less secure and increase the potential attack surface.

Watch your ass - Adobe Flash zero-day attack in the wild

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 28 May 08
🕹 Technology Cybersecurity Software Browsers Web Security
  1. There is a new Adobe Flash zero-day attack happening, exploiting a vulnerability that is being injected into third-party websites to redirect users to malware-laden servers.
  2. Consider using NoScript with Mozilla Firefox to block potentially vulnerable plugins like Flash, Java, Silverlight, and QuickTime, preventing exploitation of security vulnerabilities.
  3. A whitelist-based pre-emptive script blocking approach can be more effective in preventing security issues than traditional methods.

Quality Assistance, Not Assurance

QUALITY BOSS • 0 implied HN points • 18 Oct 23
🕹 Technology Software Development Quality Engineering Team Collaboration Process Improvement
  1. Quality Assistance means Quality Engineers work closely with developers. They help ensure high-quality software by sharing best practices and tools, rather than just checking for mistakes later.
  2. This approach moves away from the old method where a separate QA team is responsible for quality. Instead, everyone in the organization shares the responsibility for maintaining quality throughout the entire development process.
  3. Finding and fixing bugs early saves time and money. Waiting until the end of a project to test can cost a lot more if errors are found later.

matrix card - super cheap yet secure T-FA solution

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 01 Apr 08
🕹 Technology Security Authentication Development Phishing
  1. Two-factor authentication (T-FA) utilizes two different methods for higher security. Commonly, it involves something a person knows and something they have or are.
  2. Using a matrix card as the second authentication factor is a cost-effective solution compared to other options like RSA SecurID, making it easy to implement and inexpensive for service providers and customers.
  3. While T-FA with a matrix card is helpful, it does not fully protect against certain attacks like man-in-the-middle phishing. Authentication of transactions and vigilance for abnormal behavior are crucial for enhanced security.

🐿️ Slow Turbo - The IPT Newsletter

Squirrel Squadron Substack • 0 implied HN points • 19 Aug 25
🕹 Technology Software Computing Engineering Networking Innovation
  1. Old computers had a 'Turbo' button that actually slowed them down because they ran too fast for certain programs. This was a clever way to control their speed for user experience.
  2. Modern software needs to be careful with changes because users can have strong reactions to even small updates. This is known as Hyrum's Law.
  3. When software is connected to many systems, improving it can make things complicated. It’s often better to simplify interactions to avoid problems while updating.

baamboo

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 29 Mar 08
🕹 Technology Search Engine Database Programming Open Source
  1. Baamboo, a popular music search engine, surprisingly uses SQL full text search instead of Lucene, a common choice for search engines.
  2. Lucene offers fast indexing and storage performance, making it a preferred option for companies looking for scalable solutions beyond traditional relational databases.
  3. Implementing Lucene and its sub-projects like Nutch and Solr can provide powerful search capabilities, but requires expertise and effort in customization and operation.

please help testing my application

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 27 Mar 08
🕹 Technology Database Web Development
  1. The author is testing a new document-oriented database service called thrudb using a large dataset and requesting help to test its performance by doing random searches on an application.
  2. The author is comparing the performance of different backends like thrudoc and thrudex in their application, highlighting that thrudoc takes longer due to using a disk backend for a large dataset.
  3. The author plans to load the same dataset to other backends such as mysql or bdb to see how they perform and intends to share the results in a future blog post.

Scary attacks

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 26 Mar 08
🕹 Technology Cybersecurity Data Breaches Malware Vulnerabilities Phishing
  1. Highly targeted and technically advanced attacks can be carried out by well-funded and motivated individuals or groups.
  2. In practice, these attacks may involve the use of forged email headers, exploits within documents, keyloggers, and DNS-bouncer systems.
  3. The attackers may craft their exploits to evade detection by antivirus products, making the attacks harder to detect and defend against.

Meet Bug, the QUALITY BOSS Mascot

QUALITY BOSS • 0 implied HN points • 06 Nov 23
🕹 Technology Software Quality Assurance Development Leadership Women in Tech
  1. The mascot is a firefly named Bug, symbolizing the journey towards achieving high quality. Bug is meant to guide and inspire everyone to reach excellence.
  2. The term 'bug' usually refers to problems in software, but here it's reimagined as a positive force for growth. Each bug is seen as a chance to improve and learn.
  3. Bug not only represents quality but also highlights unique experiences in the tech industry, especially for women. This fosters a community focused on exploration and learning.

Thrudb on Ubuntu - installation guide

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 19 Mar 08
🕹 Technology Installation Dependencies Tutorials
  1. Thrudb is a set of services built on Thrift for indexing and document storage, providing flexibility and speed to web developers.
  2. Installing Thrudb on Ubuntu involves setting up dependencies like thrift, client libraries for different languages, and specific dependencies like libmemcached and CLucene.
  3. After successfully installing, building the Thrudb client libraries and running tutorials in Python and Perl helps test and demonstrate functionality.

Getting Started as a Quality Engineer

QUALITY BOSS • 0 implied HN points • 08 Dec 23
🕹 Technology Software Testing Quality Assurance
  1. Start with exploratory testing to learn the basics of software quality. You can practice this by using any application you regularly use.
  2. Once you find bugs, learn how to document and report them properly. This practice is key to getting recognized in the quality engineering field.
  3. Familiarize yourself with essential tools like APIs and Chrome DevTools, especially if you want to move into automation. Free online courses can help you build your skills.

Công nghiệp open source?

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 26 Jan 08
🕹 Technology Open Source Business Investment Software Licensing
  1. The examples provided do not prove that 'open source can be profitable'.
  2. To demonstrate that 'open source can be profitable', success stories with customers need to be presented, not just instances of investors buying open source products.
  3. Most companies mentioned do not solely operate on open source products, often using them as marketing tools to sell their main closed-source versions.

Ba'o tie^'p tu.c chuo^'i

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jan 08
🕹 Technology Web Development Tech startups Digital Media Innovation Internet culture
  1. In the early days, some successful projects started with gathering discarded technology and repairing it to make something functional. This resourcefulness can lead to big ideas and accomplishments.
  2. Persistence is key when pursuing ambitious projects. Rejections are part of the journey, and finding the right support can be a game-changer.
  3. Media outlets, especially when covering complex topics, should listen to and include input from experts. Maintaining high standards and credibility is crucial in journalism.

Join me on Notes

America in Crisis • 0 implied HN points • 03 Jul 23
🕹 Technology Social media Networking Community
  1. Mike Alexander invites readers to join him on Substack Notes for a new way to connect and share content beyond his newsletter.
  2. Subscribers to America in Crisis can automatically view and engage with Mike's notes on the Substack app or the substack.com/notes page.
  3. Readers are encouraged to share their own notes on the platform and create a space for sharing thoughts, ideas, and quotes.

Bu`ng hay..."no^?"?

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jan 08
🕹 Technology Search Engines Language processing
  1. The dominance of Google and Yahoo in Vietnam is strong due to their products meeting the needs of users. Changing user habits is difficult, especially on a large scale.
  2. Vietnamese search companies highlight their ability to process Vietnamese language as an advantage over Google and Yahoo, but teaching computers to understand Vietnamese is complex and challenging.
  3. For Vietnamese search engines to compete with global giants like Google and Yahoo, they need to leverage local advantages like providing detailed local information and maps.

Introduction to Neurons, Backpropagation and Transformers

Rob Leclerc • 0 implied HN points • 10 Jul 24
🕹 Technology Neural Networks Transformers Artificial Intelligence Machine Learning
  1. Neurons process information through reception, transmission, integration, propagation, and communication, illustrating a fundamental understanding of neural dynamics.
  2. Backpropagation is a key algorithm in training neural networks, involving forward pass, error calculation, backward pass, and weight update to optimize network performance.
  3. Artificial neural networks have evolved from single-layer perceptrons to multi-layer perceptrons, showcasing the importance of hierarchical learning and specialized architectures for different tasks.

Viết tiếp về Paypal-made-in-VN

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 10 Oct 07
🕹 Technology Banking Fraud Regulations Government Policies
  1. One of the main challenges for e-payment companies in Vietnam is convincing banks to connect with them, often due to technology and product limitations.
  2. Unlike foreign e-payment companies that focus on credit card payments, Vietnamese e-payment companies prefer transactions through ATM cards linked to bank accounts.
  3. The lack of regulations in Vietnam regarding fraud liability in non-credit card payments creates challenges, leading e-payment companies to explore intermediary solutions like PayPal's model.

Rise And Fall of Paypal-made-in-VN

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 10 Oct 07
🕹 Technology Security Banking Business Model
  1. In the e-payment industry, success hinges on speed to market and convincing banks to connect.
  2. Building an e-payment service in Vietnam faces challenges like outdated banking infrastructure and lack of technical expertise.
  3. The future of e-payment in Vietnam may involve banks establishing subsidiary companies to compete and innovate in the market.

GM Shaders Mini: JFA

GM Shaders Mini Tuts • 0 implied HN points • 19 May 23
🕹 Technology Algorithms Graphics Programming Tutorial
  1. The Jump Flooding Algorithm can be used to generate distance fields around textures for various effects like outlines, shadows, and glows.
  2. The algorithm involves multiple passes sampling a 3x3 area at varying scales, focusing on opaque pixels and empty space.
  3. You can make variations to the algorithm based on your needs, like using floating-point surfaces for a greater distance range or calculating the internal distance for a proper SDF.

Zombilizing The Web Browsers Via Flash Player 9

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 03 Aug 07
🕹 Technology Web Development Internet Security Tech Events Programming Cybersecurity
  1. Organizing events like VNSECON07 can be challenging, with speakers facing difficulties in engaging the audience due to lack of interpreters for deep technical topics.
  2. Preparing ahead by taking notes and bringing the necessary equipment like a laptop can enhance the learning experience during presentations.
  3. Including clear signage and directions can improve the overall event experience, making it easier for attendees to navigate different sessions and rooms.

See you at VNSECON07!

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 02 Aug 07
🕹 Technology Cybersecurity Mobile Banking Hacking Malware
  1. VNSECON07 aimed to bridge the gap in cybersecurity between Vietnam and the rest of the world by bringing experts to share their latest research and insights.
  2. VNSECON07 stood out from other security conferences by following a rigorous selection process for presentations and hosting a hacking competition called Capture the Flag.
  3. The conference featured hot topics such as next-gen .NET attacks, live malware attacks, using Google for finding malware, cheating in online games, building a GSM interceptor, and banking security challenges in fast-developing countries.