The hottest Privacy Substack posts right now

And their main takeaways
Category
Top U.S. Politics Topics

Đánh nhau bằng toán

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 28 Dec 15
🕹 Technology Privacy
  1. Juniper, RSA, and other companies were found to use the Dual EC algorithm which had a backdoor installed by the NSA, compromising security.
  2. Using closed-source security products without thorough scrutiny can lead to vulnerabilities in the system, highlighting the importance of investing in in-house expertise for secure solutions.
  3. Generating truly random numbers for encryption is a complex task, and backdoors in algorithms can pose serious security risks, emphasizing the need for caution in technology choices.

Từ đại số đến bitcoin

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 19 Dec 13
🕹 Technology Privacy
  1. The concept of digital currency evolved from early versions like creating symbolic money during childhood games.
  2. Digital signatures like RSA and blind signatures by Chaum helped ensure anonymity and prevent double-spending in electronic transactions.
  3. DigiCash, founded by Chaum, aimed to make digital currency a payment tool but faced challenges due to dependence on banks and lack of competition with credit cards.

Vụ lừa đảo Macbook Air

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 03 Feb 10
🕹 Technology Privacy
  1. Scammers can be clever in their schemes, like creating auctions to deceive victims and switching SIM cards to escape after receiving payment.
  2. Having comprehensive information about a scammer's activities is crucial for identifying and capturing them, highlighting the importance of security monitoring.
  3. Criminals may unintentionally leave real personal information behind, making it difficult for them to evade detection in the long run.

Nếu tôi là Huyremy

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 12 Nov 06
🕹 Technology Privacy
  1. Prioritize encryption to protect your privacy and ensure security. Make use of tools like Tor to anonymize internet traffic and defend against network surveillance.
  2. Securely deleting data is critical. Traditional methods like formatting a hard drive or overwriting data may not be effective. Consider encryption to ensure data destruction without physically tampering with drives.
  3. Implement a layered approach to security, including encryption of various files and using different passwords for different websites. Be cautious and understand that true safety comes from avoiding illegal activities.
Get a weekly roundup of the best Substack posts, by hacker news affinity:

Apple is Not Bananas over AI

Sector 6 | The Newsletter of AIM • 0 implied HN points • 27 Sep 23
🕹 Technology Privacy
  1. Apple focuses on edge AI rather than the generative AI trends many others are exploring right now. This means they want to run AI processes on devices instead of relying on servers.
  2. They are working with Stability AI to enhance their products, like Stable Diffusion, which shows they are interested in improving on-device capabilities.
  3. With on-device AI, Apple can protect user privacy, allow offline access, and help developers save money on server costs. This strategy highlights their commitment to user-friendly technology.

Worldcoin Madness Begins

Sector 6 | The Newsletter of AIM • 0 implied HN points • 30 Jul 23
🔮 Crypto Privacy
  1. Worldcoin is a new project that uses eyeball scans to create a digital currency. It aims to change the way people think about money and wealth.
  2. The project launched in 35 cities across 20 countries and had over 2 million sign-ups before even starting. However, it's not popular in the US yet.
  3. There are concerns about privacy and ethics related to scanning people's eyes for cryptocurrency. Some countries are questioning if the project is even legal.

👀The Facial Recognition Hypocrisy & Karnataka’s Bitcoin Scam 🎯🚠🚜

Sector 6 | The Newsletter of AIM • 0 implied HN points • 21 Nov 21
🕹 Technology Privacy
  1. There is a contradiction in how facial recognition technology is used and regarded in society. Some support its use for safety, while others condemn it for privacy invasion.
  2. Karnataka's Bitcoin scam highlights the risks and challenges of cryptocurrency and online transactions. Many people lost money due to lack of regulation and security.
  3. Upcoming events like the Data Scientists Awards and Machine Learning Developers Summit provide great opportunities for networking and showcasing new research. Participating can help professionals grow in their field.

OpenAI Has Expanded Their Fine-Tuning GUI

Cobus Greyling on LLMs, NLU, NLP, chatbots & voicebots • 0 implied HN points • 11 Oct 23
🕹 Technology Privacy
  1. OpenAI now allows fine-tuning with just 10 records, making it easier and faster to personalize models.
  2. The new graphical user interface (GUI) simplifies the fine-tuning process, making it accessible to more users without needing extensive technical skills.
  3. Costs for fine-tuning have decreased significantly, allowing organizations of all sizes to create customized models.

[in case you missed it] Data Science Weekly - Issue 468

Data Science Weekly Newsletter • 0 implied HN points • 13 Nov 22
🕹 Technology Privacy
  1. Before leaving Twitter, it's a good idea to download and save your data. This way, you can analyze important trends and insights you might miss if you just leave.
  2. The command line can make data processing easier and more readable. New tools like SPyQL help bridge familiarity with SQL and Python for better data analytics.
  3. Federated learning allows multiple users to train models without sharing their raw data. This technology can enhance privacy while still allowing valuable insights from diverse data sources.

An Interview With Heather Flanagan

ciamweekly • 0 implied HN points • 25 Nov 24
🕹 Technology Privacy
  1. CIAM helps create smooth and secure customer experiences online. It reduces password use and allows for modern authentication methods like passkeys and multi-factor authentication.
  2. A big challenge in CIAM is balancing security with user experience. Organizations often struggle to keep systems safe while also making them easy for users to navigate.
  3. The future of CIAM is promising with new technologies like biometrics and better standards. These advancements could lead to safer, more personalized interactions for customers.

Privacy Coins Uncovered: Your 2025 Guide to Anonymous Crypto & Smart Opportunities

The Crypto Journal • 0 implied HN points • 07 Jul 25
🔮 Crypto Privacy
  1. Privacy coins help keep your financial activities private. They make it hard to see who sent money, who received it, and how much was involved.
  2. These coins can protect people in tough situations, like activists under surveillance. They also help maintain financial freedom without outside control.
  3. In 2025, new privacy technologies and projects are emerging. However, there are still risks from regulations and tracking tools that could affect how these coins are used.

Federated Credential Management (FedCM)

ciamweekly • 0 implied HN points • 04 Aug 25
🕹 Technology Privacy
  1. FedCM lets users log into websites easily using identities from sources like Google. This helps simplify the login process.
  2. One big benefit of FedCM is that it enhances user privacy by reducing ways that websites can track people online.
  3. FedCM is still being developed and needs support from browsers, identity providers, and websites to work fully. Major companies like Google and Shopify are getting involved.

Zcash’s Breakout and the Revival of On-Chain Privacy

Coin Metrics' State of the Network • 0 implied HN points • 18 Nov 25
🔮 Crypto Privacy
  1. Zcash has seen a huge price increase of almost 10 times since October due to growing interest in privacy in blockchain transactions.
  2. The amount of Zcash stored in private, shielded wallets has risen significantly, indicating that more users value privacy while using digital currencies.
  3. Recent technological improvements, like better wallets and easier cross-chain swaps, have made it simpler for users to use Zcash's privacy features.

Account Linking

ciamweekly • 0 implied HN points • 08 Dec 25
🕹 Technology Privacy
  1. Account linking is essential in CIAM to unify customer identities across multiple federated login methods so you avoid duplicate records, fragmented experiences, and weaker security.
  2. Linking is technically hard because provider IDs differ and emails can change over time. Store provider-specific IDs and use email verification or user-managed merging to resolve identities safely.
  3. Don’t always link every account — allow intentional identity fragmentation when users want separate data, and reduce friction by surfacing the user’s preferred login method on return.

An Interview With Jen Schreiber

ciamweekly • 0 implied HN points • 24 Nov 25
🕹 Technology Privacy
  1. CIAM should bridge the gap between security best practices and everyday users by making the secure choice the easiest default, using things like transparent MFA, just-in-time access, and session expiry to guide safe behavior.
  2. Modern CIAM is more complex and distributed across many systems and third parties, which widens the attack surface and makes rapid detection and response a core challenge.
  3. The future of CIAM is continuous, real-time access evaluation and automated response, with standards like the Shared Signals Framework enabling fast event sharing so access can be adjusted or revoked instantly.

A free way to edit PDFs? Yes, please.🙏

My Home Office Hacks • 0 implied HN points • 24 Nov 25
🕹 Technology Privacy
  1. SimplePDF lets you edit PDFs for free without creating an account, so you can avoid forced sign‑ups and paid upgrades.
  2. The Rocketbook New Core reusable spiral notebook is highlighted as a reusable notes option and is on a Black Friday deal around $27.99.
  3. The post keeps a casual Thanksgiving vibe with Adam Sandler's song and reminds readers they can claim a free post or subscribe for paid content.

Account Linking, Redux

ciamweekly • 0 implied HN points • 29 Dec 25
🕹 Technology Privacy
  1. Account linking reduces friction and boosts conversion by letting users sign in with external identity providers, but it hands control and identity ownership to those providers.
  2. For consumer apps, relying on third-party identity providers risks users losing access if the provider suspends or is breached, and a compromised federated account can expose all connected apps.
  3. For employee-facing apps, federation can make it hard to enforce extra security (like required MFA) and to revoke access instantly, because you inherit the identity provider's security posture and session management constraints.

An Interview With Brian Bell

ciamweekly • 0 implied HN points • 02 Mar 26
🕹 Technology Privacy
  1. CIAM is the backbone of trust and revenue. It must enable easy, secure logins so users don’t abandon signups and make real-time decisions about who or what can do what.
  2. Implementing CIAM is hard because it sits at the intersection of security, product, privacy, scale, and developer experience, and many vendors hide that complexity behind rigid, inflexible models. Teams need flexible, embeddable solutions that give developers control for migrations, legacy data, and rapid growth.
  3. The future is CIAM as programmable, composable core infrastructure that supports fine-grained permissions and delegation for humans and AI agents. Developers will expect identity to fit their architecture and enable invisible trust at scale.

20260301

Curious futures (KGhosh) • 0 implied HN points • 01 Mar 26
🕹 Technology Privacy
  1. Reliable facts are fraying as authoritative sources retreat and amateur fact-checkers and myths rush in, making it harder to agree on what’s true. This growing uncertainty fuels confusion and reshapes how people build narratives about the present and future.
  2. Geopolitical and economic shifts — changing trade relationships, tariff moves, and semiconductor bottlenecks — are creating real strategic and market risks. Commodities and tech supply chains are now flashpoints that can quickly reshape industries and national security.
  3. AI and platform tech are remaking business models, social behavior, and security: chatbots testing ads, transport shifting toward service models, and agent platforms posing new attack surfaces. These changes bring fresh privacy and surveillance concerns, alter attention and work patterns, and produce novel vulnerabilities.