The hottest Security Substack posts right now

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

Brief: Going Passwordless - the New Trend in Online Security

Rod’s Blog • 19 implied HN points • 08 Feb 24
🕹 Technology Security
  1. Passwordless authentication aims to improve security by eliminating the need for traditional passwords and using methods like biometrics or hardware tokens instead.
  2. Going passwordless reduces the risk of password breaches and phishing attacks, making the login process faster and more convenient for users.
  3. Challenges of going passwordless include user trust in new technologies, compatibility issues, privacy concerns, and suitability for certain online services.

The Ways Microsoft Copilot for Security Can Enhance Security Operations with Microsoft Purview

Rod’s Blog • 19 implied HN points • 08 Feb 24
🕹 Technology Security
  1. Microsoft Security Copilot enhances security by seamlessly integrating with Microsoft Purview, simplifying security policies and governance.
  2. The AI capabilities of Microsoft Security Copilot aid in proactive threat detection and response by analyzing data to identify potential risks before they escalate.
  3. Automated compliance and data governance processes are streamlined through the combination of Microsoft Purview's features and Security Copilot's automation, facilitating adherence to regulations.

Azure OpenAI Content Filtering and Abuse Monitoring with Microsoft Sentinel

Rod’s Blog • 39 implied HN points • 10 Aug 23
🕹 Technology Security
  1. Microsoft Sentinel is a powerful tool for capturing and analyzing logs, primarily used for security purposes.
  2. Content filtering in Azure OpenAI detects and takes action on harmful content in both input prompts and output completions.
  3. Abuse monitoring in Azure OpenAI helps detect and mitigate instances of recurring content or behaviors that may violate the Code of Conduct or product terms.

Top Reasons to Build DeFi dApps on Concordium

Concordium Monthly Updates • 39 implied HN points • 01 Jun 23
🕹 Technology Security
  1. Concordium offers sponsored transactions to cover transaction fees, reducing barriers for users and encouraging wider adoption.
  2. Verifiable credentials on Concordium enhance identity verification, privacy, and compliance in DeFi applications.
  3. Concordium features fast finality, shielding transactions, high throughput, low fees, and a secure platform for efficient and secure DeFi dApps.
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Skynet scenarios and real world risks

imperfect offerings • 39 implied HN points • 16 Jul 23
🕹 Technology Security
  1. Opportunities and risks should be treated differently; risks are harder to see and require collective action to address
  2. Education has a responsibility to develop critical users of technology to navigate the risks associated with GenAI
  3. Higher education should identify and speak up about risks specific to teaching jobs, student development, and knowledge values in relation to GenAI

Must Learn AI Security Part 16: Impersonation Attacks Against AI

Rod’s Blog • 39 implied HN points • 25 Sep 23
🕹 Technology Security
  1. Impersonation attacks against AI involve deceiving the system by pretending to be legitimate users to gain unauthorized access, control, or privileges. Robust security measures like encryption, authentication, and intrusion detection are crucial to protect AI systems from such attacks.
  2. Types of impersonation attacks include spoofing, adversarial attacks, Sybil attacks, replay attacks, man-in-the-middle attacks, and social engineering attacks. Each type targets different aspects of the system.
  3. To mitigate impersonation attacks against AI, organizations should implement strong security measures like authentication, encryption, access control, regular updates, and user education. Monitoring user behavior, system logs, network traffic, input and output data, and access control are essential for detecting and responding to such attacks.

Building Your own Conversational Copilot with Python, Flask, and Azure Open AI SDK

Rod’s Blog • 39 implied HN points • 25 Apr 23
🕹 Technology Security
  1. The post discusses building a conversational copilot using Python, Flask, and Azure Open AI SDK.
  2. It highlights the importance of monitoring AI security, particularly focusing on Azure Open AI and Azure Cognitive services.
  3. The post provides details about the necessary code files and steps to run a web-based Chatbot using Python, Flask, and Azure Open AI SDK.

Must Learn AI Security Part 11: Denial-of-Service Attacks Against AI

Rod’s Blog • 39 implied HN points • 11 Sep 23
🕹 Technology Security
  1. Denial-of-Service (DoS) attacks against AI aim to overwhelm the system with requests, computations, or data, making it slow, crash, or become unresponsive.
  2. Common techniques used in DoS attacks against AI include request flooding, adversarial examples, amplification attacks, and exploiting vulnerabilities in the system.
  3. Effects of a DoS attack on an AI system can lead to unavailability, loss of productivity, financial loss, reputation damage, and increased security costs for the affected organization.

TechLetters #121 - Cyberwar in Ukraine. 0day exploits to smartphones via apps. AI-automation coming to address cybersecurity industry. Cookie blocking standardisation. VULKAN cyberwar services.

Lukasz Olejnik on Cyber, Privacy and Tech Policy Critique • 39 implied HN points • 03 Apr 23
🕹 Technology Security
  1. Smartphone app exploited 0day vulnerability affecting millions of devices
  2. Microsoft integrating ChatGPT for automating cybersecurity tasks
  3. Web security proposal aims to standardize cross-browser cookie blocking

Back from the Brink

Sector 6 | The Newsletter of AIM • 39 implied HN points • 30 Aug 23
🕹 Technology Security
  1. OpenAI was struggling financially but is now expecting to earn about $1 billion in the next year. This is a huge increase from the earlier projection of $200 million.
  2. The company's new product, ChatGPT Enterprise, is designed for businesses and offers better security, faster access, and more customization options.
  3. These changes are helping OpenAI feel more confident about its future revenue and success in the AI market.

Right on cue, the military-industrial complex

Silicon Reckoner • 39 implied HN points • 10 Jun 23
🕹 Technology Security
  1. There are concerns about the involvement of tech companies in military-industrial complex activities.
  2. Booz Allen Hamilton's connections to surveillance activities and collaborations raise questions about their motives.
  3. The concept of 'human compatible' AI is questioned in relation to corporate interests and ethical considerations.

Must Learn AI Security Compendium 7: What is Generative Automation?

Rod’s Blog • 39 implied HN points • 04 Oct 23
🕹 Technology Security
  1. Generative automation uses generative AI to automate tasks that require creativity or human-like reasoning, like writing a poem or designing a logo.
  2. Generative automation benefits various industries by helping with content creation, design, education, research, and more.
  3. Security challenges in generative automation include data security, access control, malicious code, third-party dependencies, human error, and lack of transparency.

How to become a better security engineer

Frankly Speaking • 203 implied HN points • 12 Sep 23
🕹 Technology Security
  1. Being a good security engineer involves thinking about building scalable solutions.
  2. Learning software fundamentals is crucial to understand what and how to build.
  3. Focus on fundamentals and gradually progress to learning new technologies to become a better security engineer.

The KQL Mysteries: Chapter 8

Rod’s Blog • 19 implied HN points • 06 Feb 24
🕹 Technology Security
  1. A major security breach has occurred with sensitive data stolen, leading to a need for urgent action to track down the threat actor.
  2. Jordan quickly jumps into action, using KQL queries to analyze data and identify patterns associated with the suspected threat actor.
  3. The story leaves readers with a cliffhanger, hinting at upcoming developments and ensuring engagement for the next chapter.

TechLetters #161 - Death indirectly following ransomware; Drones and cyber during wars are changing military strategy; Factorisation of number 247 on a quantum computer

Lukasz Olejnik on Cyber, Privacy and Tech Policy Critique • 19 implied HN points • 05 Feb 24
🕹 Technology Security
  1. A 32 year old security bug in Linux's qsort algorithm poses a threat.
  2. Ransomware incidents are causing serious consequences, including job loss and health issues like suicide.
  3. The factoring of number 247 on a quantum computer breaks RSA-8 cryptosystem in 35 seconds.

Is your AI strategy built for speed or stability? | Qodo’s Itamar Friedman

Dev Interrupted • 18 implied HN points • 22 Jul 25
🕹 Technology Security
  1. When creating an AI strategy, know if your focus is on quick results or steady growth. This can affect how successful your team will be.
  2. It's important for developers to understand their code, even if AI is doing a lot of the work. This helps prevent issues when things go wrong.
  3. Companies need to prioritize security, as even small mistakes like weak passwords can lead to serious data breaches.

Frankly Speaking - Cloudflare is the most underrated security company

Frankly Speaking • 254 implied HN points • 18 Apr 23
🕹 Technology Security
  1. Cloudflare is considered an underrated security company in the industry, focusing on SASE and zero-trust solutions.
  2. Cloudflare's infrastructure is seen as a strong advantage and moat, making it valuable and defendable against competition.
  3. Cloudflare is making a bet on the future by targeting DevOps and security engineers for their products, showing a shift in the market towards software being purchased by technical personnel.

Brief: How Microsoft Secures Its Copilots

Rod’s Blog • 19 implied HN points • 01 Feb 24
🕹 Technology Security
  1. Microsoft's Copilot for Microsoft 365 adheres to strict data privacy and security regulations like GDPR, ensuring organizational data confidentiality.
  2. The Copilot system integrates large language models with Microsoft Graph and 365 apps, maintaining enterprise-level data protection during processing.
  3. By utilizing the Azure OpenAI Service controlled by Microsoft, Copilot ensures that business data is not used to train models, offering organizations control over their data processing.

Staying Safe in a World Full of AI Integrated Devices

Rod’s Blog • 19 implied HN points • 31 Jan 24
🕹 Technology Security
  1. AI can pose risks to privacy through data collection without consent; protect your privacy with strong passwords and limit AI features' access.
  2. AI can threaten security through sophisticated attacks like deepfakes; protect your security with regular updates, antivirus software, and verifying content sources.
  3. AI can impact well-being by increasing stress and reducing social skills; protect your well-being by setting boundaries, balancing online and offline activities, and maintaining social connections.

TechLetters #160 Resurrection of dead dictators using generative AI, for political gain; AI cyber operations; Last warning about quantum cryptography; Privacy Sandbox coming to iOS/iPhones

Lukasz Olejnik on Cyber, Privacy and Tech Policy Critique • 19 implied HN points • 29 Jan 24
🕹 Technology Security
  1. AI can resurrect dead politicians, prompting the need for laws against misleading content.
  2. iOS introduces Stolen Device Protection and warns about AI's impact on cyber operations.
  3. Caution advised on quantum cryptography and factors influencing ransom payments.

Actual Security vs. Security Theatre

Confronting the Future • 19 implied HN points • 28 Jan 24
🕹 Technology Security
  1. Using public blockchains can provide better detection of illicit finance compared to traditional financial systems.
  2. Focusing on actual security measures is more effective than engaging in security theater.
  3. Regulators, banks, and crypto communities need to work together to enhance financial security and combat illicit activities.

Israel did it

The Cosmopolitan Globalist • 22 implied HN points • 13 Jun 25
🌍 World Politics Security
  1. Israel conducted a successful military operation against Iran, causing significant damage without reported casualties on their side.
  2. The author initially underestimated the situation, thinking the threat of an attack was exaggerated and almost sent a newsletter dismissing it.
  3. This event highlights the unpredictability of military actions and the importance of staying informed about rapidly changing news.

Securing Data that is Used by AI

Rod’s Blog • 19 implied HN points • 25 Jan 24
🕹 Technology Security
  1. Securing data used by AI is vital for security, performance, reliability, ethics, and trust.
  2. Data hygiene practices include collecting necessary data types, encrypting data, and maintaining data lineage.
  3. Ensuring data quality through validation, diversity, and detection methods is crucial for accurate and fair AI outcomes.

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 Security
  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.

Thoughts on the MOVEit hack

Frankly Speaking • 203 implied HN points • 20 Jun 23
🕹 Technology Security
  1. The MOVEit hack highlights issues with software age and responsible disclosure.
  2. Progress handled the security incident well but third-party risk management needs a shift towards evaluating vendor security culture.
  3. Security teams should focus less on questionnaires and more on vendor security roadmap and practices.

Proof of Work: the choice between centralizing over time or insecure.

Senatus’s Newsletter • 19 implied HN points • 12 Jan 24
🔮 Crypto Security
  1. Every Proof of Work coin must choose between specialized hashing, leading to centralization over time, or generalized hashing, resulting in a constantly insecure chain.
  2. Specialized hashing algorithms for Proof of Work require specific hardware, electricity, space, maintenance, and capital, leading to centralization over time.
  3. Generalized hashing algorithms allow more participation but can make the chain insecure due to the vast latent hashrate available for potential attacks.

Upgraded Multisig Wallets are LIVE on Ronin!

Ronin’s Newsletter • 49 implied HN points • 12 Dec 24
🔮 Crypto Security
  1. Ronin has upgraded its multisig wallets, now powered by Safe, which is a trusted provider in the industry. This means users can create and manage safer wallets for their transactions.
  2. The integration offers a better user interface and allows users to batch multiple transactions more efficiently. This makes it easier to manage and send tokens through Ronin.
  3. Existing users don't need to do much; most will see their wallets automatically updated. However, some with pending transactions may need to complete an extra step to finalize those.

Chainlink CCIP is LIVE on Ronin!

Ronin’s Newsletter • 49 implied HN points • 11 Dec 24
🔮 Crypto Security
  1. Chainlink's Cross-Chain Interoperability Protocol (CCIP) is now live on Ronin, allowing users to easily transfer tokens between Ronin and Ethereum, as well as Ronin and Base.
  2. This new system offers high security for cross-chain transactions, making it safer for developers to build and users to manage their assets on Ronin.
  3. The change means that Ronin is expanding its ecosystem, allowing more opportunities for games and decentralized applications, which can benefit its users.

Tokenization, or How I Learned to Stop Worrying and Love the Vault

Money in Transit • 19 implied HN points • 08 Jan 24
🕹 Technology Security
  1. Tokenization is a powerful way to reduce costs and secure card payments by isolating parts of payment applications for PCI compliance.
  2. Tokens are non-exploitable and require a vault to store the actual data, providing security in case of a breach.
  3. Using Tokenization as a Service providers can strengthen a startup's position by avoiding vendor lock-in and enhancing pricing power.

That time I broke login at Box

Basta’s Notes • 204 implied HN points • 19 May 23
🕹 Technology Security
  1. Reusing code can be beneficial, but be cautious of reusing business logic as it can lead to unexpected dependencies.
  2. When rewriting code, consider extending existing functionality rather than reusing entire systems to prevent potential issues.
  3. Make sure to thoroughly understand the business logic behind the code to avoid unintended consequences, especially when dealing with complex systems.

🌍🌎🌏👁️ GLOBAL EYES

The Cosmopolitan Globalist • 4 implied HN points • 21 Nov 25
🌍 World Politics Security
  1. Ukraine is under intense pressure to accept a U.S.-brokered 28-point peace framework that would cede territory, limit its military, and bar NATO membership, with threats to cut intelligence and weapons if it refuses. Many view the plan as forcing a humiliating surrender and Zelensky is publicly resisting it to defend sovereignty and dignity.
  2. European leaders are outraged by a rival proposal to use frozen Russian assets for American-led reconstruction while taking a large share of the profits, a move seen as unethical and likely to derail EU efforts to fund Ukraine. That proposal risks fracturing Western support and wrecking a reparations loan plan.
  3. Ceasefires in the Middle East remain fragile and the Phase II plan for Gaza — which depends on disarming Hamas, deploying an international stabilization force, and quickly rebuilding the Strip — faces huge political and operational hurdles. Without clear answers on who will govern, secure, and rebuild Gaza, the region risks renewed violence and a prolonged stalemate.