The hottest Security Substack posts right now

And their main takeaways
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The Last Laptop You'll Ever Need For Crypto

DeFi Education • 1019 implied HN points • 07 Feb 23
🔮 Crypto Security Hardware Software Finance Education
  1. Many people have lost lots of money in crypto scams, and hackers are getting smart. Good security is super important for keeping your money safe.
  2. There's a new laptop designed specifically for crypto security. It uses special software and tools to protect your data and makes it easier to use safely.
  3. This laptop isn't for everyone—it's aimed at serious users like business owners and developers who handle a lot of money. If you're not tech-savvy, it could save you headaches.

Improving Security Data Lake Efficiency with Log Filtering

Detection at Scale • 119 implied HN points • 08 Apr 24
🕹 Technology Security Data Management Cost Optimization Performance optimization
  1. Security teams can optimize SIEM costs and improve data management by filtering logs effectively before they are ingested into the system. Filtering can enhance security data lake efficiency, reducing unnecessary costs and improving overall data quality.
  2. Starting with clear intentions and asking key questions about data value, cost constraints, and threat visibility can help in creating a comprehensive and cost-efficient log filtering program.
  3. Filtering at various stages - source, in transit, and within the SIEM itself - allows security teams to reduce storage costs, optimize performance, improve data quality, and enhance the relevance of collected logs.

Is RBAC Still Relevant? Am I?

Permit.io’s Substack • 99 implied HN points • 25 Apr 24
🕹 Technology Software Security Data Development Innovation
  1. RBAC is still important as it simplifies the management of user permissions by linking them to roles, making it easier for developers and users to understand.
  2. Newer models like ABAC and ReBAC are gaining popularity because they offer more flexibility and can handle complex permission requirements better than RBAC.
  3. Using RBAC as a foundation allows developers to build more advanced authorization systems by layering on additional models, adapting to the changing needs of applications.

Self-exfiltration is a key dangerous capability

Musings on the Alignment Problem • 399 implied HN points • 13 Sep 23
🕹 Technology AI Security Digital Infrastructure Model development Risk Assessment
  1. The ability of AI models to self-exfiltrate is a significant and potentially dangerous capability.
  2. It's crucial to focus on preventing model self-exfiltration to retain control over AI models.
  3. Three main paths for model self-exfiltration are persuading an employee, social engineering, and exploiting security vulnerabilities.

Standards Body Considers Uncloaking Secret Encryption Algorithms

Zero Day • 672 implied HN points • 11 Oct 23
🕹 Technology Security Encryption Standards Algorithms
  1. European standards body may make new encryption algorithms public due to backlash over secrecy.
  2. Previously kept secret algorithms had major flaws, prompting consideration for greater transparency.
  3. Independent researchers found vulnerabilities, including intentional backdoors, in old encryption algorithms in use for over 25 years.
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Unlawful Solicitation

DeFi Education • 619 implied HN points • 06 Jun 23
🔮 Crypto Investing Regulation Exchanges Market Trends Security
  1. The SEC has accused Binance of running a deceptive operation that included misleading American customers while secretly welcoming them. They likened this to a classic street scam called three-card monte.
  2. Binance and its founder are facing serious allegations, including operating without proper licenses and manipulating customer assets. The SEC is seeking actions like asset freezes and accounting verification.
  3. Binance has stated they plan to fight the SEC's allegations, claiming they have always aimed to follow the law and innovate within the regulatory framework.

Introducing LizardOS: The Ultimate Software Solution for Crypto Security

DeFi Education • 759 implied HN points • 06 Apr 23
🔮 Crypto Security Software Digital Assets Blockchain Privacy
  1. LizardOS is a new software designed for crypto security that focuses on privacy and ease of access. You can buy it with Bitcoin and you don't need to give any shipping details.
  2. The software guarantees a genuine version with tamper-free installation, backed by a digital signature from the creators. This ensures that you get the real deal.
  3. Currently, LizardOS only works with specific Lenovo laptops and is not compatible with Macs. If you want to use it, you need to buy the right hardware separately.

Unraveling SIEM Correlation Techniques

Detection at Scale • 119 implied HN points • 01 Apr 24
🕹 Technology Security Monitoring Correlation Alerts Cybersecurity
  1. Correlation rules in SIEM define relationships between malicious behaviors and entities, helping in effective security monitoring and alert generation.
  2. Correlations can be simple, focusing on one technique like Brute Force, or complex, combining multiple techniques and tactics across various log sources for higher-fidelity alerts.
  3. Understanding the layers of SIEM correlation, from basic rule creation to more advanced chaining of techniques, is essential for effective cybersecurity defense.

Level Up Your Transaction Security

DeFi Education • 699 implied HN points • 25 Apr 23
🔮 Crypto Security Phishing Best Practices
  1. To keep your crypto safe, create a cold wallet for most of your assets and an 'ape wallet' for riskier activities. This way, you limit exposure to potential threats.
  2. Minimize the transactions you make with your main wallet to reduce risk. Only use it for important tasks to stay secure.
  3. Be aware of phishing scams and how they work. Educate yourself so you can recognize and avoid falling for them.

Permissions, AI, and Plato’s Ideal API

Permit.io’s Substack • 79 implied HN points • 09 May 24
🕹 Technology APIs AI Security Development Authorization Infrastructure
  1. APIs are now seen more as tools that users consume rather than just things developers create. This shift means we have to think about how APIs are used and managed from both ends.
  2. As APIs are used more, especially with AI, monitoring costs and handling errors are super important. Developers need to be careful about how many calls they make to avoid big bills and errors.
  3. The way we set permissions and handle security for APIs is changing. It's crucial to apply consistent security rules across all parts of an application, not just in isolated areas.

A misleading open letter about sci-fi AI dangers ignores the real risks

AI Snake Oil • 1171 implied HN points • 29 Mar 23
🕹 Technology AI Ethics Security Policy Risk
  1. Misinformation, labor impact, and safety are key AI risks raised in an open letter.
  2. Speculative risks like malicious disinformation campaigns overlook real harm caused by over-reliance on AI tools.
  3. Addressing near-term security risks from AI integration into real-world applications is crucial, and the containment mindset may not be effective.

Smarter Retrieval, Safer RAG, and Autonomous AI

HackerPulse Dispatch • 2 implied HN points • 07 Feb 25
🕹 Technology AI Machine Learning Autonomous Systems Security Data retrieval
  1. DeepRAG improves how AI retrieves information, making it 22% more accurate than old methods. It helps AI decide when to use outside knowledge and when to rely on what it already knows.
  2. Heima's new idea, hidden thinking, speeds up AI reasoning without losing clarity. It helps the AI think more efficiently by using compact representations of its thought process.
  3. SafeRAG looks at the security of AI systems that use retrieval methods. It finds weaknesses that can be attacked, showing that even advanced systems need better protection.

SIEM 4.0: The Essentialist Evolution

Detection at Scale • 59 implied HN points • 28 May 24
🕹 Technology Security AI Data Software Engineering Automation
  1. Security teams are moving towards prioritizing impactful MITRE tactics over complete ATT&CK coverage to reduce distracting alerts and focus on critical threats.
  2. Transitioning from individual behaviors to risk-based alerts allows for a more context-based approach, reducing alert volumes and enhancing significance.
  3. The evolution to SIEM 4.0 includes opening up data lakes, adopting 'as code' principles, and utilizing AI to automate routine tasks so human analysts can focus on high-value work.

Drones: Panic Or Perception?

QTR’s Fringe Finance • 21 implied HN points • 16 Dec 24
🕹 Technology Drones Security Innovation Surveillance Public Perception
  1. The public often overreacts to drone presence, which can cause unnecessary panic. It's important to look at the facts and not just the fear surrounding drones.
  2. Individual analysis of situations like drones is crucial rather than relying solely on popular opinion. People should make their own informed decisions based on evidence.
  3. Understanding the situation surrounding drones requires careful examination of the evidence rather than following what others say or think.

Should You Leave Metamask?

DeFi Education • 599 implied HN points • 21 May 23
🔮 Crypto Digital Assets Blockchain Cryptocurrency DeFi Security
  1. There are many safety concerns about using Metamask and Ledger in the crypto space. Users need to be aware of these issues to protect their assets.
  2. Metamask has updated its terms, which could affect how users interact with the platform. It's important for users to stay informed about these changes.
  3. There are alternative options to Metamask that might be safer or better suited for some users. Exploring these alternatives can help individuals find a solution that meets their needs.

AI’s Linux Moment (Chapter 2): Recent highlights of the open-source vs. closed-source model debate

Next Big Teng • 196 implied HN points • 16 Jan 24
🕹 Technology AI Open Source Regulation Security
  1. Open-source models are catching up to closed-source models in performance and offer advantages like cost savings and improved latency.
  2. As competition intensifies, closed-source models are becoming more secretive in sharing knowledge, raising concerns about transparency and auditability.
  3. Debate between 'security through obscurity' and 'security through openness' highlights differing views on sharing model details for security reasons.

Composition to the Rescue

FREST Substack • 9 implied HN points • 16 Jan 25
🕹 Technology Software Development Architecture Security Data
  1. Current software systems are often too complex and difficult to modify, which makes them less user-friendly. We need simpler ways to build software that anyone can change easily.
  2. Many businesses often overcomplicate software development, focusing too much on rigid structures instead of creating flexible systems. Instead, we should aim for systems that work like Excel and FileMaker, where changes can be made swiftly.
  3. A new approach to software composition is needed, one that allows everyone to understand and manipulate tools. By focusing on natural relations and simple queries, we can create software that is accessible to all, not just a select few.

Stuff I still don’t get about AI

Samstack • 999 implied HN points • 15 Apr 23
🕹 Technology AI Ethics Impacts Security Future
  1. It's important for more people to understand AI risks for safety regulations and investment in alignment work.
  2. Consider the balance between AI getting out of control versus malicious actors having access to superintelligent AI.
  3. Think about the potential impacts of advanced AI on various aspects of human life in the future.

The Five Layers of Incident Response (Part 1)

Detection at Scale • 59 implied HN points • 21 May 24
🕹 Technology Security Automation Data Detection Incident Response
  1. Detection Engineering involves automating SecOps using software engineering and data principles to enhance defense capabilities without eliminating human roles.
  2. For effective Incident Response, utilize the 'Five Layers of IR': Playbook Management, Data Layer, and Presentation Layer.
  3. The Playbook sets the strategy, Data Layer defines necessary logs for playbooks, and Presentation Layer visualizes alerts and actions for human analysis.

Wang Yi meets Allison, Merz, Kallas, Baerbock, Werthein, Rutte, Scholz, Barro, Albares, & Sa'ar in Munich

Pekingnology • 41 implied HN points • 15 Feb 25
🌍 World Politics International relations Diplomacy Security Geopolitics Multilateralism
  1. Wang Yi, China's top diplomat, met with several key European leaders at the Munich Security Conference, discussing China's role in global issues and emphasizing the importance of multilateralism.
  2. Wang mentioned that China aims to strengthen its relations with Europe and support peace talks, particularly regarding the Ukraine crisis, highlighting mutual benefits and stability.
  3. The meetings reflected China's intention to foster cooperation and understanding with various countries, aiming for a peaceful multipolar world while reinforcing its foreign policy principles.

Give despair a chance

Wrong Side of History • 322 implied HN points • 08 Feb 24
🌍 World Politics Religion Violence Anti-Semitism London Security
  1. A Conservative Member of Parliament in London decided not to run for re-election due to threats from violent extremists.
  2. There have been several anti-Semitic incidents in London, including arson attacks, assaults, and threats to Jewish individuals.
  3. Despite these incidents, London is generally a safe city, but there are areas with security concerns.

DeFi Security: Best Practices + Security Q&A

DeFi Education • 1558 implied HN points • 12 Mar 22
🔮 Crypto Security Transactions Identity Technology Education
  1. Keep your devices secure to protect your digital assets. Always use strong passwords and enable two-factor authentication.
  2. Be careful with transactions and double-check before sending money or sharing information. Mistakes can be costly in the DeFi space.
  3. Protect your identity online to avoid scams. Use unique details and strong security practices to stay safe.

Low-carbon energy does not have the same energy security risks as fossil fuels

Sustainability by numbers • 284 implied HN points • 07 Mar 24
🌞 Climate & Environment Energy Minerals Transition Security Geopolitics
  1. Low-carbon energy is more secure compared to fossil fuels due to different risk factors.
  2. Fossil fuel supplies pose an energy security risk due to being fuels that can be cut off or become expensive, impacting a country's energy security.
  3. Mineral inequities for clean energy transition are a separate issue, as expensive minerals may slow down the transition but do not impact the operation of existing technologies.

"Trump's Alarming Rhetoric: A Gift to Putin"

Unmasking Russia • 137 implied HN points • 12 Feb 24
🌍 World Politics Foreign Relations Security Alliances NATO Russia
  1. Trump's alarming rhetoric towards NATO raises concerns about the future of transatlantic security if he were to win the election.
  2. The need to address foreign interference in democratic institutions becomes urgent with Trump's willingness to align with Putin and seek assistance in the upcoming election.
  3. Trump's criticism of allies and questioning of NATO's value highlight the uncertainty of U.S. foreign policy and its implications for international stability.

Is DeFi Safe? That's Up To You!

DeFi Education • 599 implied HN points • 08 Mar 23
🔮 Crypto DeFi Security Investing Blockchain Financial Systems
  1. DeFi is a new way to handle finance without banks, but it comes with risks like hacks and scams. Users need to be aware and do their research to stay safe.
  2. Keeping your own private keys safe is crucial. The saying 'your keys, your Bitcoin' highlights that if you lose access to your private keys, you could lose your crypto forever.
  3. Using hardware wallets and trusted protocols can help protect your funds. It's important to only use tested platforms and to follow good security practices to avoid losses.

Is Somalia turning the corner?

An Africanist Perspective • 296 implied HN points • 03 Feb 23
🌍 World Politics Conflict Diplomacy International relations Peace Security
  1. There is cause for cautious optimism in Somalia as book fairs in Mogadishu, a property boom, weakening of Al-Shabaab, and regional cooperation signal positive changes.
  2. Somalia has a complex history of conflicts and irredentist desires that have contributed to its state of instability since the 1970s.
  3. Ethiopia and Kenya have historically had conflicting interests in Somalia, aiming for a weak central government to serve their own security interests despite the need for peace and stability in the region.

What I Learned About AI in 2023

Cybernetic Forests • 179 implied HN points • 17 Dec 23
🕹 Technology AI Environment Education Security Art
  1. Advancements in AI may not always lead to true improvement or problem-solving, as new technologies continue to replace previous ones without learning from past failures.
  2. There is evidence that AI may be making things worse, even in areas it is meant to excel in, such as ethics and safety, leading to a loss of expertise and rush to incorporate generative AI algorithms.
  3. AI models can have significant environmental impacts, using vast amounts of energy and water, highlighting the importance of developing more sustainable computational infrastructure and greener algorithms.

December 8, 2024

Letters from an American • 16 implied HN points • 09 Dec 24
🇺🇸 U.S. Politics Foreign Policy Elections Government International relations Security
  1. Bashar al-Assad's regime in Syria has fallen after over a decade of civil war, leading to excitement and celebrations in the streets. This change opens up hope for a new future for Syria's people.
  2. The U.S. is taking actions to prevent ISIS from becoming stronger in Syria now that Assad is gone. They hit many ISIS targets to ensure that group doesn't regain power.
  3. The loss of Assad shows that no dictator is safe forever. It gives people hope that change is possible, both in Syria and in other places with similar regimes.

The Ten Crypto Commandments

DeFi Education • 1298 implied HN points • 15 Mar 22
🔮 Crypto Investing Security Market Trends Decentralization Regulations
  1. Keep your crypto holdings private. Sharing this info can lead to jealousy or danger, like kidnapping.
  2. Don't trust advice from others blindly. People often share tips to pump their own investments, so research and think for yourself.
  3. Always use proper security. Avoid sharing personal info, use a VPN for transactions, and get your coins off exchanges to stay safe.

Inside Latin America's new currency plan, with Ecuador's presidential candidate Andrés Arauz

Geopolitical Economy Report • 279 implied HN points • 15 Feb 23
🌍 World Politics Security Economic Development Social Impact
  1. Latin America is attempting to create a new regional currency to challenge the existing US dollar-based system, aiming for a more balanced international monetary system.
  2. Ecuadorian economist and former presidential candidate Andrés Arauz advocates for a clearing and settlement bank that can facilitate transactions without concern for US sanctions.
  3. There is a push for regional integration mechanisms in Latin America, with the goal of creating large geopolitical blocs to allow for balanced planetary governance and more effective monetary systems.

*Important* Academy Launch

DeFi Education • 739 implied HN points • 10 Nov 22
🔮 Crypto DeFi Education Investment Security Technology
  1. The Academy is designed to help people kickstart their careers in crypto by teaching them essential skills. It offers courses on investing, building, and trading in the cryptocurrency space.
  2. Joining the Academy now comes with a $100 discount for early sign-ups, giving you access to over 40 video lessons that cover crucial topics like fundamental analysis and market timing.
  3. The course is a good way to deepen your understanding of cryptocurrency, especially for those who want to keep their job while learning how to work with DAOs and build their brand.

ChinAI #253: Tencent Research Institute releases Large Model Security & Ethics Report

ChinAI Newsletter • 117 implied HN points • 05 Feb 24
🕹 Technology AI Security Ethics Research Translation
  1. The report highlights security assessments for LLMs, such as prompt injection attacks and adversarial examples.
  2. Tencent developed a platform to evaluate large model security, focusing on automated attack sample generation and risk analysis.
  3. The concept of 'Blue Army' drills is discussed as a method to test the effectiveness of large models like Hunyuan.

Signing Transactions with an Offline Computer

DeFi Education • 559 implied HN points • 05 Feb 23
🔮 Crypto Blockchain Security Wallets Transactions DeFi
  1. Using an offline computer, known as an airgapped computer, can help securely sign crypto transactions. This reduces risks from online threats.
  2. You can set up transactions on one device and sign them on another without exposing your private keys. This method is safer for handling your assets.
  3. Always verify any software you download to ensure it's safe. This can help protect your transactions from potential malware.

Leaks Expose Chinese, Russian and German Security Fears

Natto Thoughts • 79 implied HN points • 20 Mar 24
🌍 World Politics Russia China Germany Security
  1. China has been implementing a policy to replace foreign software with domestic alternatives since at least 2013 due to security concerns.
  2. Leaked Russian military files revealed discussions on potential use of nuclear weapons in response to threats, highlighting concerns about China's intentions and escalation approaches.
  3. A leaked plan from the German military raised questions about cybersecurity and military communication deficiencies, emphasizing vulnerabilities and potential disinformation tactics in conflicts.