The hottest Cybersecurity Substack posts right now

And their main takeaways
Category
Top Technology Topics
TOP SECRET UMBRA 0 implied HN points 28 Oct 24
  1. Chinese hackers are targeting political figures in the U.S., collecting sensitive information and audio from campaigns.
  2. Israel is taking military actions in Iran, claiming they can do much more than they've shown so far.
  3. There's growing concern about Russian support for groups in the Middle East, and an increase in Chinese espionage in the U.S.
TOP SECRET UMBRA 0 implied HN points 25 Oct 24
  1. Trump denied ever wanting generals like Hitler or saying that Hitler did good things. This has been a controversial statement that he is now trying to clarify.
  2. Iranian hackers have been active, stealing emails and trying to find weaknesses in US election websites. This raises concerns about foreign interference in elections.
  3. The Biden administration is facing criticism for promoting a Pentagon employee linked to an Iranian influence network. This has sparked debates about security and trust within the government.
TOP SECRET UMBRA 0 implied HN points 18 Oct 24
  1. China is becoming more aggressive in cyber warfare against the U.S., creating significant challenges for national security.
  2. The recent killing of Hamas leader Yahya Sinwar has created chaos within the group, potentially leading to increased tensions in the region.
  3. There are growing issues around global security, with various countries experiencing internal conflicts and external pressures from groups like ISIS and Russia.
TOP SECRET UMBRA 0 implied HN points 15 Oct 24
  1. China is holding military exercises near Taiwan, which is causing concern in the U.S. and Taiwan. There were record numbers of Chinese military planes sent towards the island during these drills.
  2. There have been diplomatic tensions between Canada and India, with Canada accusing India of involvement in violent crimes within its borders. This has led to the expulsion of India's top diplomat from Canada.
  3. Russian spy activities appear to be increasing, including claims of sabotage and espionage. This raises concerns about security both within Russia and in countries like Norway.
digitalhealthinsider 0 implied HN points 11 Oct 24
  1. Protecting patient data is really important for healthcare organizations to avoid cyberattacks.
  2. There's a drop in digital health funding, but the amounts being invested are stabilizing.
  3. AI is becoming a big part of healthcare, with startups raising money to create AI tools for hospitals.
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HackerNews blogs newsletter 0 implied HN points 27 Oct 24
  1. Password managers are useful, but they can't fully replace passkeys for security.
  2. Complex systems can be tough to manage, and we need strategies to navigate this 'Complexity Winter.'
  3. A detailed understanding of frameworks and tools, like SwiftUI and Redis, can help boost app performance and efficiency.
HackerNews blogs newsletter 0 implied HN points 16 Oct 24
  1. Using Strace can help you track specific system calls instead of every single one, making it easier to debug problems.
  2. Technical leaders should be aware of common decision-making mistakes that can affect their teams and projects.
  3. Understanding the right way to use string parameters in coding can improve your programming practices and avoid confusion.
QV’s Substack 0 implied HN points 04 Jun 24
  1. Quantum technology has many parts that are classical and can be vulnerable to traditional cyber attacks. This means threats can come from many angles that don't specifically target the quantum aspects.
  2. There are unique threats related to quantum systems that are not yet fully explored, and many existing vulnerabilities are not linked to specific vendors. This makes it hard to gauge how secure quantum technologies truly are.
  3. Understanding the context in which quantum systems operate is really important. Different setups, like using space-based technology versus fiber optics, come with very different security challenges.
QV’s Substack 0 implied HN points 22 May 24
  1. There was a big security flaw found in a quantum computing controller, which allows access to quantum machines through a default username and password. This means anyone who knows this can control the quantum hardware connected to it.
  2. Changing the default password is crucial but can lead to new problems if not done properly. The researchers are recommending a better way to ensure passwords are secure from the start.
  3. Quantum computers are involved in highly sensitive areas like finance and medicine, so protecting their security is very important to prevent data breaches and attacks. Researchers are pushing for improved security measures to safeguard these advanced systems.
ppdispatch 0 implied HN points 15 Oct 24
  1. Some developers see coding as an art form, which makes the rise of AI tools feel like a loss of creativity.
  2. Vulnerabilities in systems like Zendesk can expose major security risks for large companies, affecting a wide range of organizations.
  3. There are serious security flaws in airport access systems that could let unauthorized people bypass safeguards, raising concerns about aviation security.
ciamweekly 0 implied HN points 04 Nov 24
  1. CIAM helps keep user access secure and reduces the stress on teams by managing the entire user lifecycle, from registration to access control.
  2. A major challenge for CIAM is staying compliant with global data privacy laws while ensuring a smooth user experience, especially for business-to-consumer products.
  3. The future of CIAM is promising, especially with improvements in security measures and the need for integration with various technologies for better user identity management.
ciamweekly 0 implied HN points 28 Oct 24
  1. NIST has new digital identity guidelines that help manage users better, including tips on authentication and user verification.
  2. The podcast highlights some key points like avoiding security questions and using multi-factor authentication.
  3. It’s fun to make a podcast about your own career achievements with AI, which can give you a little boost if you're feeling down.
Phoenix Substack 0 implied HN points 26 Nov 24
  1. Traditional security methods are outdated and don't work well with the unpredictable nature of AI. We need to rethink how we protect our systems.
  2. AI systems need adaptive security that learns and evolves instead of relying on fixed rules. Adaptive security acts more like a mentor, helping to detect problems before they happen.
  3. As AI becomes more common in everyday devices, having smart security that can adapt to different situations is crucial. We need to be proactive about adopting this new level of security.
Phoenix Substack 0 implied HN points 13 Nov 24
  1. There are many security companies, but we still face security issues. It’s like having a lot of cooks and still messing up the meal.
  2. A method called AMTD keeps changing defenses to stay ahead of attackers. It's like swatting a fly that won’t land—you stay unpredictable.
  3. Simplicity in security solutions is often ignored, even though simple methods can be the most effective. Sometimes, the easiest solutions are the best ones.
Phoenix Substack 0 implied HN points 04 Nov 24
  1. Putting all your security in one spot is risky. If that one spot fails, everything goes down.
  2. When everyone uses the same security setup, it’s easy for hackers to find and exploit weaknesses. Variety is important to stay safe.
  3. Waiting to react to threats instead of acting first is a bad plan. Being proactive helps you catch problems before they happen.
Identity Revive 0 implied HN points 19 Dec 24
  1. AI will play a big role in both improving cyber defense and enabling attackers. It's changing how we detect threats and respond to them.
  2. Quantum computing poses a risk to current encryption methods, but there are already quantum-resistant solutions available that we should adopt to stay safe.
  3. The future might see a major shift away from traditional passwords. New options like biometrics and passkeys are becoming more popular and secure.
Frankly Speaking 0 implied HN points 07 Jan 25
  1. In 2025, security budgets are expected to focus more on hiring skilled people than on buying security tools. Many tools don't really solve the security problems they claim to address.
  2. Artificial Intelligence is set to change the landscape of security tools, especially in outdated categories like data and application security. AI could help with understanding complex security issues better.
  3. The cybersecurity industry might see more companies staying private or being acquired instead of going public. The tough business environment is making IPOs less likely.
ciamweekly 0 implied HN points 13 Jan 25
  1. SCIM is a way to manage user data across different systems. It helps businesses send user information securely from one place to another.
  2. Using SCIM is usually better for businesses because it allows for immediate user access and account updates, unlike federation methods that can be slower.
  3. SCIM can also handle more user information like groups and other details, making it more efficient for businesses that manage many users.
ciamweekly 0 implied HN points 06 Jan 25
  1. Cerbos helps businesses manage user permissions easily by integrating with identity providers. This way, developers can focus more on building features instead of getting stuck on access management.
  2. A lot of companies still build their own authorization systems, which can be messy and hard to update. When they need to completely rebuild, it can be a huge challenge.
  3. The future of customer identity and access management looks bright as more businesses will start using external authorization solutions like Cerbos. This separation will make their systems more flexible and easier to manage.
Phoenix Substack 0 implied HN points 06 Jan 25
  1. AI is powerful and constantly evolving, kind of like a child with a dangerous toy. If we’re not careful, it might lead us to disaster, like driving off a cliff.
  2. We need to build AI securely from the start, not just put out fires after problems arise. It’s like making sure a plane is safe before takeoff rather than handing out parachutes later.
  3. The way we defend against AI and its risks should be flexible and unpredictable. If we can keep changing our strategy, we might stay one step ahead and avoid big problems.
Boring AppSec 0 implied HN points 19 Jan 25
  1. The newsletter is shifting focus from AppSec operations to building a new AppSec company. This change comes from a personal career transition from being a practitioner to a founder.
  2. Authenticity in writing has become harder because daily problem-solving in AppSec is no longer a part of the new role. The writer has a list of topics but feels less connected to the daily challenges.
  3. Future posts will explore industry insights, engineering challenges, and frameworks for solution thinking in AppSec. The style will stay casual, and there’s an aim to post more regularly.
Squirrel Squadron Substack 0 implied HN points 14 Jan 25
  1. Always test your technology before using it in important areas like healthcare or finance. Relying too much on others without checking can lead to big problems.
  2. Small, controlled changes can help catch issues early. It's like testing a few canaries in a coal mine to make sure everything is safe before moving forward.
  3. Instead of blaming others when things go wrong, take a good look at your own systems. Make sure every part of your process is double-checked for safety.
ciamweekly 0 implied HN points 20 Jan 25
  1. Customer Identity and Access Management (CIAM) is crucial for protecting valuable information while also providing a smooth user experience. Businesses need both security and ease of access for their users.
  2. Many challenges exist with CIAM, especially around the variety of credentials like tokens and keys. It's important to find ways to manage these different types safely and effectively.
  3. The future of CIAM looks promising with innovations that balance security and usability. There's hope for better management of roles and permissions across different systems.
Phoenix Substack 0 implied HN points 23 Jan 25
  1. Brazilian Jiu-Jitsu teaches you to stay calm and adapt to pressure, which is also important in cybersecurity. When faced with challenges, it helps to think creatively and adjust your strategy.
  2. In cybersecurity, constantly changing your environment can confuse attackers, making it harder for them to plan their moves. This is similar to how a strong position in Jiu-Jitsu can give you an advantage in a fight.
  3. Instead of just waiting to defend, it’s better to be proactive and force the attacker to make mistakes. This offensive mindset helps you take control, whether in martial arts or protecting your network.
Phoenix Substack 0 implied HN points 21 Jan 25
  1. Static security tools are not enough anymore. Modern cyber threats are too advanced, so we need better ways to protect AI systems.
  2. Adaptive containers can help by changing and fixing themselves automatically. This makes it harder for attackers to take control.
  3. Using adaptive strategies keeps AI systems safe without slowing them down. It helps meet high performance needs while still being secure.
Alex's Personal Blog 0 implied HN points 10 Feb 25
  1. French AI companies are receiving more investment, with funding increasing by 82% over the past year. This shows that France is becoming a serious player in the AI field.
  2. The French government is investing in a new gigawatt AI data center, signaling their commitment to boosting AI capabilities.
  3. Competition between EU and US AI startups can be beneficial, as it pushes both sides to innovate and improve their technologies.
Database Engineering by Sort 0 implied HN points 03 Feb 25
  1. Sort made it to the front page of Product Hunt, ranking #6, which helped it gain a lot of visibility among users.
  2. An on-premises version of Sort is now available, which is great for industries that need to keep their data secure, like healthcare and finance.
  3. Sort has achieved SOC 2 Type 2 Certification, showing they have good security practices in place to protect data.
Identity Revive 0 implied HN points 12 Feb 25
  1. Microsegmentation helps control network traffic at a very detailed level, making it harder for attackers to move around after they breach a system. This means that if one part of the network is attacked, the damage can be contained more easily.
  2. It improves visibility of network activities, letting organizations see what is happening in their systems. This awareness helps quickly spot unusual behaviors that might indicate a security threat.
  3. Adopting microsegmentation supports Zero Trust principles by reducing unnecessary trust across the network. It ensures that only authorized users and applications can access sensitive resources, making it much harder for cybercriminals to exploit vulnerabilities.
The API Changelog 0 implied HN points 19 Feb 25
  1. Aduna is working to make access to network APIs easier around the world by partnering with Sinch, which will help improve digital communication services.
  2. MikMak has launched new APIs and made updates to its platform to help brands increase sales and expand globally, including new pricing intelligence tools.
  3. DeepSeek is raising its API prices, which may lessen competition for cloud vendors while helping businesses focus on localized deployments.
Curious futures (KGhosh) 0 implied HN points 09 Feb 25
  1. New church designs in Denmark focus on community and inclusion, not just traditional worship. This shows a shift towards creating spaces that welcome everyone.
  2. AI and robots are becoming part of everyday life, but they can sometimes misunderstand human emotions and boundaries. It's important for technology to enhance real human connections.
  3. Work trends are changing, with some people moving back to the office despite the convenience of working from home. This raises questions about how we balance work and life in a tech-driven world.
Phoenix Substack 0 implied HN points 20 Feb 25
  1. Static security is outdated. We need systems that can adapt quickly to changing threats.
  2. Trust in security should be flexible. Instead of seeing things as secure or vulnerable, we should continuously assess and improve our defenses.
  3. Effective security must understand each situation. It's about using real-time information to respond appropriately, not applying the same rules everywhere.
ciamweekly 0 implied HN points 02 Jun 25
  1. SMS for multi-factor authentication can be very unreliable, especially for people in areas with poor cellular service. This can create a stressful situation just to access an account.
  2. If you rely solely on SMS for verification, there might be long and complicated steps to regain access when things go wrong.
  3. There are better security options than SMS, so it's worth considering alternatives that provide more reliable protection.
Curious futures (KGhosh) 0 implied HN points 29 Jun 25
  1. AI is quickly growing, but there's a risk that future models could become less reliable. This is because they might be trained on data made by other AIs instead of real human data.
  2. There's a mix of technology and nature emerging, like humans working closely with fungi and using AI in their daily lives. This relationship is about finding balance and thriving together, instead of competing.
  3. Despite challenges like security threats, communities are finding new ways to come together, like planting trees and exploring creative collaborations, showing that human connections are still very important.
Alex's Personal Blog 0 implied HN points 15 Jul 25
  1. Cognition AI recently acquired Windsurf and gained significant revenue, showcasing how tech companies are trying to consolidate power in the market. It raises concerns about competition being stifled as larger firms buy up smaller ones.
  2. Major companies like Meta and Alphabet are heavily investing in building large data centers, indicating that the demand for AI technology and computing power is not slowing down. They believe that more computational power will lead to better AI models.
  3. The U.S., China, and France are emerging as the top contenders in the global AI race, with each country focusing on leveraging its tech companies to achieve dominance in AI development.
The Strategy Toolkit 0 implied HN points 23 Jun 25
  1. Cybersecurity can sometimes turn threats into opportunities. Just like in martial arts, using an attacker's strength against them can be effective.
  2. Some hackers are now using open source tools to carry out cyber attacks. This helps them blend in and avoid detection from cybersecurity teams.
  3. New tools, like ECHO, are helping to automate the removal of malware quickly. This tool can resolve issues in minutes instead of days, making it easier to protect networks.
Phoenix Substack 0 implied HN points 18 Jul 25
  1. Attackers thrive on predictable infrastructure. By constantly changing it, you make it harder for them to plan their attacks.
  2. Instead of just restarting systems, the approach involves changing everything, including names and locations. This confuses attackers and disrupts their actions.
  3. The goal isn't just to break into their systems but also to mess with their confidence and momentum. When they're unsure, they're less effective.
Phoenix Substack 0 implied HN points 10 Jul 25
  1. AI technology is becoming more advanced, moving from just assistants to adaptive and autonomous systems. This means AI can now react and change based on real-time inputs.
  2. The new Automated Moving Target Defense (AMTD) allows AI systems to self-manage, adapting and restarting when necessary, which enhances their ability to handle challenges over time.
  3. Companies need to realize that agentic AI isn't a future dream; it's already here, and those who wait to adapt may be left behind.
Curious futures (KGhosh) 0 implied HN points 10 Aug 25
  1. AI tools in software development might actually slow down experienced developers rather than speeding them up. This can be surprising since many hoped for a boost in efficiency.
  2. To survive in a tech-driven world, skills like collaboration, creativity, and cunning are becoming more important. This can help people tackle challenges posed by cybersecurity threats.
  3. The world is blending technology with creativity in funny and unexpected ways. From AI-produced shows to quirky corporate competitions, there's a lot of absurdity mixed with innovation.
Phoenix Substack 0 implied HN points 11 Aug 25
  1. AI security needs to be more than just detecting threats; it must also be proactive. Attacks can slip through outdated defenses, so we need to constantly adapt to new threats.
  2. Current AI systems often have static environments that attackers can exploit. These environments allow attackers to learn and persist, which increases risk.
  3. Adaptive enforcement, like Automated Moving Target Defense, can improve AI security. By changing the attack surface frequently, it makes it harder for attackers to gain a foothold.
Boring AppSec 0 implied HN points 17 Dec 25
  1. AI-orchestrated offensive campaigns are real and practical: coding agents, sub-agents and MCP can automate most of the cyber kill chain and run multi-day operations with minimal human input.
  2. Defenders are behind and must upskill quickly — learn to use AI defensively, run safe agent experiments in staging, assign dedicated AI-operator roles, and build human-in-the-loop checkpoints.
  3. AI tools bring new failure modes and risks: hallucinations mean you need verifier components, simple structured markdown can serve as a useful memory layer, and tight sandboxing plus MCP observability are critical to limit abuse.