The hottest Cybersecurity Substack posts right now

And their main takeaways
Category
Top Technology Topics

Vàng hay bạc nhái

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Cybersecurity
  1. Many IT solution providers are often just resellers of existing solutions from renowned companies, lacking in innovation and technical depth.
  2. A strong first impression is crucial in professional presentations, including being punctual and confident in communication.
  3. When assessing a cybersecurity company, it's important to look beyond certifications and explore their actual research and development, as well as tangible contributions to the field.

Truy tìm thủ phạm (1)

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Cybersecurity
  1. When a website is defaced, it is crucial to change all passwords and preserve the server's state for investigation.
  2. Knowing the server's timezone is essential for event correlation in cybersecurity investigations.
  3. Understanding server logs and analyzing them can reveal valuable insights about the timeline and actions taken by potential attackers.

Săn tên miền - thú tiêu khiển mới của hacker!

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Cybersecurity
  1. In the world of hackers, hunting for domain names has become a new trend, with a focus on exploiting vulnerabilities in web applications.
  2. Domain name security is crucial, and choosing reputable registrars can help protect websites from being targeted by hackers.
  3. It's important to stay vigilant about cybersecurity, update antivirus tools, and be cautious of social engineering tactics used by hackers to steal domain names.

Hacking không chỉ dành cho đàn ông

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 04 Mar 07
🕹 Technology Cybersecurity
  1. Hacking is not just for men, as demonstrated by female hackers like Joanna Rutkowska.
  2. Joanna Rutkowska has proven her expertise multiple times in cybersecurity, showcasing her abilities in preventing forensic investigation of malware.
  3. Females like Joanna Rutkowska are making significant impacts in the hacking and cybersecurity field, challenging stereotypes.

Shellcode thần chưởng: luyện assembly

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 03 Mar 07
🕹 Technology Cybersecurity
  1. Shellcode depends on the operating system because it needs the OS's resources to function, just like any other software.
  2. Assembly language, while initially complex, is actually simple because it lacks abstract concepts and directly corresponds to machine code.
  3. Writing in Assembly can lead to significantly smaller executable sizes compared to higher-level languages like C, which is advantageous for creating compact shellcode.
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Lời trần tình của một hacker

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 16 Jan 07
🕹 Technology Cybersecurity
  1. Hacker manifesto sheds light on the motivations and perspectives of hackers, challenging stereotypes and misconceptions.
  2. The manifesto reflects on the hacker's journey from disillusionment with traditional education to discovering the computer world.
  3. Hackers are portrayed as individuals seeking knowledge and understanding, breaking societal norms, and resisting mainstream expectations.

Giải pháp nào cho ADSL DoS?

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 07 Jan 07
🕹 Technology Cybersecurity
  1. PPPoE servers often act as routers, and understanding their functions is crucial in proposing solutions to ADSL DoS attacks.
  2. FPT's ADSL service implements MAC address authentication for users, potentially presenting security vulnerabilities during the PPP session phase.
  3. By sending a frame at the Discovery stage without network login, an attacker could potentially launch a DoS attack on an individual connected to the same ISP.

VXers cạn ý...

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 22 Nov 06
🕹 Technology Cybersecurity
  1. Virus writers are running out of creative ideas for creating malware.
  2. The battle between VXers and cybersecurity groups has reached a stalemate.
  3. Hackers are focusing on exploiting Microsoft Office vulnerabilities, with a warning about potential future attacks accompanying the release of Office 2007.

Dùng MP3 Player để exploit ATM

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 19 Nov 06
🕹 Technology Cybersecurity
  1. A man in the UK was convicted for using an MP3 player to steal credit card information from ATMs, exploiting standalone machines found in supermarkets and bars.
  2. The MP3 player was attached to the back of the ATM to capture customer credit card details as they were transmitted to the bank, which were then used to create counterfeit cards for fraudulent purchases.
  3. Despite the man spending over 200,000 pounds from the stolen cards, it's believed he only profited around 14,000 pounds himself. The case was uncovered almost by chance when police stopped him in London for driving illegally.

BKIS đảm bảo an ninh mạng cho APEC 2006

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 13 Nov 06
🕹 Technology Cybersecurity
  1. BKIS ensured cybersecurity for APEC 2006 by quickly detecting and containing any incidents to prevent network-wide spread.
  2. BKIS was responsible for securing nearly 500 desktop computers and around 70 laptops provided by the organizing committee.
  3. Cybersecurity involves more than just virus detection; complex challenges include securing laptops brought in by journalists from around the world.

Ngày Thứ Ba Đen Tối sắp đến

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 12 Nov 06
🕹 Technology Cybersecurity
  1. Microsoft releases security updates on the second Tuesday of each month, with some updates being critical and requiring a restart.
  2. Exploit codes for Microsoft vulnerabilities often appear shortly after Patch Tuesday, giving attackers time to utilize them before the next round of patches.
  3. System administrators need to stay alert and promptly apply security updates to protect against known vulnerabilities.

Nếu tôi là Huyremy

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 12 Nov 06
🕹 Technology Cybersecurity
  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.

Generative AI and cybersecurity: governance, risk, compliance and management

Solresol • 0 implied HN points • 08 Jun 24
🕹 Technology Cybersecurity
  1. Generative AI models are becoming more complex and powerful, with potential risk implications as the number of free parameters increases significantly.
  2. There is a divide in the AI community between those who believe in scaling up existing AI technology for superhuman intelligence and those who believe in the need for fundamental breakthroughs before achieving human-level AI.
  3. The use of large language models like ChatGPT has the potential to revolutionize industries by offering cutting-edge research capabilities and automation tools at an affordable price, but also raises concerns about cybersecurity and the need for responsible AI governance.

How Crime Could Stop A.I. From Taking Over

The Digital Anthropologist • 0 implied HN points • 03 May 23
🕹 Technology Cybersecurity
  1. Cryptocurrencies and blockchain technologies may face challenges from criminal activity and mass disillusionment, similar to what AI may encounter.
  2. Fake websites generated by AI, AI-written spam emails, and AI scams highlight potential risks associated with the widespread use of artificial intelligence.
  3. Criminals, hackers, and scammers exploiting AI could inadvertently lead to a societal distrust of AI and a shift towards more human-centric approaches, potentially preventing the negative impacts of artificial intelligence on humanity.

Zero-Trust Security on GCP With Context-Aware Access

realkinetic • 0 implied HN points • 22 Jun 20
🕹 Technology Cybersecurity
  1. Serverless architecture on GCP allows for quick application development with minimal operational overhead, setting Google Cloud apart from other providers.
  2. Implementing a zero-trust security model on GCP, especially with context-aware access, enhances security for applications and services.
  3. Transitioning from perimeter-based security to a zero-trust model with tools like IAP and IAM Conditions Framework provides a more flexible and secure approach, even beyond GCP.

No More Bad News for OpenAI

Sector 6 | The Newsletter of AIM • 0 implied HN points • 22 Aug 23
🕹 Technology Cybersecurity
  1. The New York Times has blocked OpenAI's web crawler, GPTBot, from accessing its content. This could make it harder for OpenAI to gather data for its AI models.
  2. There's a chance that the NYT may sue OpenAI for copyright violations. If they win, it could lead to serious consequences for OpenAI, including hefty fines.
  3. If the lawsuit goes in favor of NYT, OpenAI might have to delete training data or even shut down its ChatGPT service. This would be a big setback for the company.

ChatGPT Threat Alert 🚨

Sector 6 | The Newsletter of AIM • 0 implied HN points • 03 Mar 23
🕹 Technology Cybersecurity
  1. ChatGPT is designed to be understanding and balanced, avoiding racist and harmful replies. However, it can be tricked with clever prompts.
  2. One serious risk is that prompt injections can make ChatGPT act like a different chatbot, ignoring safety rules and sharing restricted information.
  3. This vulnerability can lead to dangers like stealing personal data, showing the importance of improving chatbot security.

Bharat to the Rescue

Sector 6 | The Newsletter of AIM • 0 implied HN points • 03 Feb 23
🕹 Technology Cybersecurity
  1. The US is worried about China's advanced military technology, especially their chip-based weapons.
  2. Because of this worry, the US put a ban on chip exports to China, which caused a global chip shortage.
  3. China leads in the chip assembly industry, so the ban created new problems for the world's technology supply.

Did a "DEI Programmer" Cause the Crowdstrike Disaster?

Code and Context • 0 implied HN points • 20 Jul 24
🕹 Technology Cybersecurity
  1. A technical bug in CrowdStrike's code caused a major outage, mainly due to a NULL pointer dereference issue. This means the program tried to access a place it shouldn't have, causing systems to crash.
  2. The incident highlights the importance of robust testing and coding practices. It shows how a small error in a significant system can lead to serious, widespread problems.
  3. Scapegoating trends, like blaming DEI initiatives for tech failures, often distract from the real, complex issues at play. It's easier to point fingers than to acknowledge the multiple factors that contribute to such failures.

How SMS Fraud Works and How to Guard Against It

Tranquil Thoughts • 0 implied HN points • 28 Feb 23
🕹 Technology Cybersecurity
  1. SMS fraud involves bad actors using special phone numbers to trick services into sending them many authentication messages, which helps them make money.
  2. To prevent SMS fraud, companies can use tactics like blocking suspicious IPs, limiting the number of SMS sent to a number, or even using alternatives like WhatsApp for communication.
  3. There’s a chance for SMS service providers like Twilio to develop tools that can quickly identify and block fraud, helping many businesses stay safe from attacks.

Beep Boop Beep Boop... Initializing 🤖

The Beep • 0 implied HN points • 16 Dec 23
🕹 Technology Cybersecurity
  1. The Beep is a newsletter focused on data technology and artificial intelligence. It covers a variety of topics in those fields.
  2. Readers can subscribe to keep updated on the latest trends and insights in tech and AI.
  3. The newsletter aims to make complex subjects more accessible for everyone interested in technology.

Weekly Roundup

Asimov’s Addendum • 0 implied HN points • 21 Aug 24
🕹 Technology Cybersecurity
  1. Experts suggest that instead of a single AI regulator, existing agencies like the FDA and SEC should gain expertise in AI to manage its use effectively, just like they do with safety in other fields.
  2. There's an ongoing discussion about how AI companies are navigating acquisitions and regulatory concerns, reminding us that governance is ongoing and complex, not a one-time fix.
  3. It's important to recognize that AI development is still in its early stages, and new methods like Reinforcement Learning from Human Feedback may not lead to breakthroughs as significant as those seen in past successes like AlphaGo.

Fixing the Web Independence Day Edition

Unmoderated Insights • 0 implied HN points • 04 Jul 24
🕹 Technology Cybersecurity
  1. Mark Zuckerberg is under pressure from many lawsuits and investigations about how his company handles user safety, but he's still making headlines with flamboyant summer videos. It feels like a disconnect from the serious issues he's facing.
  2. There's ongoing work to gather data about social media's impact in countries like Poland, Kenya, and Somalia, aiming to understand users' experiences better. This could lead to important insights and improvements.
  3. Research is being done into how to react to toxic political content online, focusing on counterspeech as a potential solution. This could help create a healthier online environment.

How US Elections Are Influencing Cybersecurity Strategies?

Vigilainte Newsletter • 0 implied HN points • 12 Sep 24
🕹 Technology Cybersecurity
  1. Phishing attacks increase during elections, targeting individuals and companies with fake requests and scams. Businesses need strong AI tools to detect these scams quickly.
  2. Influencers are at higher risk during political events, so brands should provide them with cybersecurity training. This helps ensure they can protect their data and recognize threats.
  3. Social media monitoring is essential as misinformation spreads easily during elections. Brands should invest in tools to track and respond to fake news effectively.

Phishing Emails for Kids

Vigilainte Newsletter • 0 implied HN points • 04 Sep 24
🕹 Technology Cybersecurity
  1. Phishing is when someone pretends to be someone else online to trick you into sharing personal information. Kids should be careful because these bad actors can make their emails look real and trustworthy.
  2. Common phishing emails might say things like 'Your account is in trouble!' or 'You've won a prize!' They try to get you to click on links or share personal details, which can be dangerous.
  3. It's important to educate kids about phishing and use tools that help protect them from these scams. Strong security measures can keep your family safer online.

AT&T Wireless Service Disruption Affects Customers Due to 'Software Issue'

Vigilainte Newsletter • 0 implied HN points • 28 Aug 24
🕹 Technology Cybersecurity
  1. AT&T is facing a major service disruption due to a software issue, causing many customers to lose their ability to make calls or use data.
  2. People are frustrated with the lack of communication from AT&T's support, which has been overwhelmed and unable to provide clear solutions.
  3. This outage is especially bad timing for AT&T, as they just got fined by the FCC for not notifying 911 about a previous outage.

Important Vulnerabilities

Vigilainte Newsletter • 0 implied HN points • 22 Aug 24
🕹 Technology Cybersecurity
  1. There's a serious security flaw in the GiveWP WordPress plugin that lets hackers run harmful code. Updating to the latest version can fix this problem.
  2. FastAdmin has a vulnerability that can expose sensitive files due to bad handling of inputs. Upgrading to the new version is crucial to protect your information.
  3. Kubernetes Ingress-NGINX is at risk from a bug that could give attackers control of the system. Make sure to update to the latest version to keep your cluster safe.

Cybersecurity Insights: July Bulletin

Vigilainte Newsletter • 0 implied HN points • 08 Aug 24
🕹 Technology Cybersecurity
  1. DDoS attacks are getting stronger, as shown by a major one that took down Microsoft's Azure cloud. This means companies need better protections to keep their services running.
  2. Many companies are facing vulnerabilities, like a default password issue from Acronis that attackers can exploit. It's really important for everyone to manage their passwords securely.
  3. Cybercriminals are using sophisticated methods like fake ads and Generative AI to spread malware and steal data. We all need to be careful when clicking online and keep our software updated.

[in case you missed it] Data Science Weekly - Issue 252

Data Science Weekly Newsletter • 0 implied HN points • 22 Sep 18
🕹 Technology Cybersecurity
  1. Researchers found a pattern in prime numbers that resembles certain crystal patterns, which could change how we understand them. It's exciting because primes are usually seen as random and mysterious.
  2. DeepMind's AI is being used to improve Android battery life, showing how tech can help make our devices work better. It's important to see if these changes truly benefit users.
  3. Transfer learning allows using knowledge from similar problems to tackle new tasks more easily. This can save time and resources in machine learning projects.

Inside a malicious Chrome Extension

Altay's Blog • 0 implied HN points • 05 Feb 20
🕹 Technology Cybersecurity
  1. Be careful with Chrome extensions that promise to block ads, as some can be malicious. They may appear harmless but can steal your personal information.
  2. Malicious extensions often wait a little while before doing anything suspicious to avoid detection. They might log you out or demand access to your data stealthily.
  3. If you find a suspicious extension, report it to the Chrome Web Store. It's essential to stay safe and protect your personal data online.

What do you mean there isn't a patch?

Resilient Cyber • 0 implied HN points • 10 Jan 23
🕹 Technology Cybersecurity
  1. Sometimes software has vulnerabilities that don’t have a fix available. Companies might struggle to issue patches due to resource limits or internal priorities.
  2. When a direct patch isn't available, businesses can use virtual patching. This means putting up barriers to stop attacks, like using Web Application Firewalls (WAF).
  3. It's important to plan for virtual patching and keep checking your systems. While virtual patches help, they are temporary solutions, so long-term fixes are necessary.

Securing the Software Supply Chain

Resilient Cyber • 0 implied HN points • 22 Nov 22
🕹 Technology Cybersecurity
  1. Software supply chain security is becoming more important due to recent cybersecurity incidents. Developers, suppliers, and customers all play key roles in keeping software secure.
  2. Using secure development practices, like threat modeling and regular security testing, helps prevent vulnerabilities from being introduced. It's crucial to have proper processes and training for developers.
  3. Organizations should verify third-party components and ensure a secure build environment to avoid compromising software. Having clear policies and tools in place can significantly reduce the risk of software supply chain attacks.

Breaking Down the DoD Software Modernization Strategy

Resilient Cyber • 0 implied HN points • 22 Nov 22
🇺🇸 U.S. Politics Cybersecurity
  1. The DoD aims to modernize its software to keep up with technology and improve national security. This modernization will help deliver better tools to military operations and humanitarian efforts.
  2. A big focus is on using cloud technology and DevSecOps for faster software delivery. This means creating safer software that can adapt quickly to changing needs.
  3. Changing policies and processes is just as important as new technology. The DoD needs to make sure the people involved are on board and that rules are updated to help speed up innovation.

Coming soon

Resilient Cyber • 0 implied HN points • 11 Oct 22
🕹 Technology Cybersecurity
  1. The newsletter focuses on important topics like Cybersecurity and Cloud technologies. These are crucial for protecting information online.
  2. It covers DevSecOps, which combines software development, security, and operations. This helps in making sure that software is safe and reliable.
  3. Software Supply Chain Security is another key topic, aiming to keep software from being tampered with or compromised. It's about ensuring that the entire process of software creation is secure.

3 Utilities to Scan Linux for Vulnerabilities

Curious Devs Corner • 0 implied HN points • 12 Jul 24
🕹 Technology Cybersecurity
  1. Lynis is a free tool that helps check your Linux system for vulnerabilities and security issues. It runs an audit and gives you a report on things that need attention.
  2. Maltrail helps monitor suspicious network traffic by using lists of known bad IPs and domains. You can set it up to keep an eye on what's coming into your system.
  3. ClamAV is an antivirus program for Linux that detects malware and viruses. It scans your files and can show you any threats it finds, helping keep your system safe.

Debugging a nuclear reaction (Issue #188)

Mark Smith’s Newsletter • 0 implied HN points • 02 Nov 24
🕹 Technology Cybersecurity
  1. There’s a lot of chaos and confusion in the world right now, and it can feel overwhelming. Many people share this sentiment and it’s okay to feel that way.
  2. The writer has been productive with many blog posts despite feeling busy and confused. It's surprising how much you can accomplish even when it seems hectic.
  3. Support and donations can make a difference for creators and help them achieve their goals, such as upgrading equipment or continuing their work.

YourINT SITREP (29 OCT 2024)

TOP SECRET UMBRA • 0 implied HN points • 29 Oct 24
🇺🇸 U.S. Politics Cybersecurity
  1. Many Americans don't trust news media anymore, which is a big problem for information sharing.
  2. There are increasing concerns about foreign interference in US elections, especially from countries like China.
  3. Public safety issues, like gun violence and drug overdoses, are becoming more urgent and need attention.