The hottest Data security Substack posts right now

And their main takeaways
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Top U.S. Politics Topics

System Design Concepts: Dive deep into Database Sharding Strategies

Engineering At Scale • 2 HN points • 05 Aug 23
🕹 Technology System Design Scalability Performance Data security
  1. Range-Based Sharding divides data based on ranges like organizing books in bookshelves to make searches easier.
  2. Hash-Based Sharding evenly distributes data across different shards using a hash function, but may require data rebalancing when the number of shards changes.
  3. Consistent Hashing minimizes data movement when adding or removing shards, improving scalability while Geo-Based Sharding stores data close to users for better performance.

Chiến tranh mạng

Thái | Hacker | Kỹ sư tin tặc • 39 implied HN points • 08 Jun 11
🕹 Technology Cybersecurity Ethical Hacking Data security Internet Governance
  1. Website attacks and cybersecurity discussions between Vietnamese and Chinese hackers have been on the rise, reflecting a growing interest in the field of information security.
  2. The ease of hacking into websites highlights the lack of focus on cybersecurity measures by website managers.
  3. Investing in cybersecurity education and specialized monitoring systems for targeted attacks is crucial for effective defense against cyber threats.

"Không quản lý được an ninh"

Thái | Hacker | Kỹ sư tin tặc • 19 implied HN points • 10 Apr 13
🌍 World Politics Internet regulation Data security National Security Foreign influence Government Control
  1. Companies need to manage national security and public order when providing internet services.
  2. VNG and other Vietnamese companies must comply with regulations on internet security and content management.
  3. VNG is using the concept of 'managing security' to influence government policies in their favor.

Riêng tư trên Internet

Thái | Hacker | Kỹ sư tin tặc • 19 implied HN points • 25 Jul 12
🕹 Technology Privacy Data security Social media Internet Usage Government Surveillance
  1. Using products and services from foreign companies on the internet may involve sharing personal information, which is not necessarily bad as these companies provide free services in exchange for that data.
  2. It's important for users to question whether they should trust a company to access and use their personal information, as most companies outline these practices in their privacy policies.
  3. It's common for governments to request user information from companies, and while US companies may be more likely to challenge such requests, companies in countries like Vietnam often comply without question, raising concerns about privacy and trust.
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alice and bob

Thái | Hacker | Kỹ sư tin tặc • 19 implied HN points • 23 Mar 08
🕹 Technology Crypto Encryption Cryptography Data security
  1. The post discusses the concept of encryption through a rap called "Alice and Bob". It highlights the importance of protecting messages and data.
  2. Various encryption techniques and algorithms like DES, Twofish, and Blowfish are mentioned in the rap, emphasizing the significance of secure communication.
  3. The rap also touches on the importance of random number generation, RSA encryption, and hashing functions like SHA-1 for maintaining data integrity and security.

Beijing Infosec Strategic Investment in Yunjizhi Technology

CyberSecurityMew • 0 implied HN points • 08 Jan 24
🕹 Technology Cryptography Data security Innovation
  1. Beijing Infosec made a strategic investment in Yunjizhi Technology on January 8, 2024, initiating a partnership in the data security industry.
  2. Infosec specializes in commercial cryptography products for sectors like finance, government, and enterprises, while Yunjizhi offers structured and unstructured data security products and services.
  3. Through collaboration, Infosec and Yunjizhi aim to tackle data security challenges, introduce innovative technologies, and advance the industry's development.

Hangzhou SPInfo Tech Completes a New Round of Strategic Financing

CyberSecurityMew • 0 implied HN points • 20 Jul 23
🕹 Technology Cybersecurity Data security Financing
  1. Hangzhou SPInfo Tech completed a new round of strategic financing with the help of Hangzhou DAS-Security.
  2. The company specializes in data security with a focus on data asset management, compliance inspection, detection, and assessment.
  3. Through collaboration with DAS-Security, SPInfo Tech aims to enhance its technology, expand its market, and ensure user data security.

"YUNCHUANGSHUAN" Completes Multi-Million Angel Round Financing

CyberSecurityMew • 0 implied HN points • 18 Jul 23
💼 Business Data security Cybersecurity
  1. YUNCHUANG SHUAN Tech completed a multi-million yuan angel round financing led by QF Capital for technological innovation and research and development.
  2. The company specializes in data security products and services, aiming to provide cost-effective solutions and address communication challenges for businesses.
  3. QF Capital believes in the potential of YUNCHUANG SHUAN to become a leading enterprise in the data security industry, praising the founding team's ambition.

Historage Tech completed a tens of millions Series A round

CyberSecurityMew • 0 implied HN points • 10 Jul 23
🕹 Technology Data security Funding AI Data Governance Digital economy
  1. Historage Tech completed a Series A funding round worth tens of millions of RMB. This is their second round of funding this year after the April investment from Hefei Gaotou.
  2. Historage Tech innovatively combines data governance with data security through their Seastone Data Platform. They offer AI-driven data classification and categorization for enhanced security.
  3. The funding from Qi-An-Chuanfa Fund will help Historage Tech accelerate market expansion and continue developing their data platform, aligning with the future digital economy's focus on business-driven data governance.

Yunzhisec completed tens of millions RMB Series A round

CyberSecurityMew • 0 implied HN points • 08 Jul 23
🕹 Technology Data security Funding Research and Development
  1. Yunzhisec completed a significant Series A financing round led by Cowin Capital, showing a strong foundation for growth in the data security industry.
  2. The funds raised will be used for research and development of data security products, strengthening Yunzhisec's capabilities in cloud intelligence and information security.
  3. Yunzhisec aims to advance the data security industry by investing in technology research, enhancing intelligence-driven operations, and leading in institutional supervision.

China Releases "Digital China Development Report (2022)” , Cybersecurity Industry Scale Reaching CNY 217 Billion, a YoY Growth of 13.9%

CyberSecurityMew • 0 implied HN points • 24 May 23
🕹 Technology Cybersecurity Industry Analysis Data security Education
  1. China released the 'Digital China Development Report (2022)' highlighting the importance of digital security in advancing the construction of Digital China.
  2. In 2022, China's cybersecurity industry experienced significant growth, reaching nearly CNY 217 billion with a year-on-year growth of 13.9%.
  3. The cybersecurity sector in China saw expansion with over 3,000 enterprises involved, and a growing talent pool with over 500 educational institutions offering related majors.

9/16 TBC Insider Digest

Tech Buzz China Insider • 0 implied HN points • 17 Sep 21
🕹 Technology Apps Ecommerce NFTs Podcasts Data security
  1. Alipay will be split into separate apps in China, which was widely anticipated due to regulatory changes. This move will require separate licenses and shareholders for different businesses.
  2. Ximalaya, the largest audio platform in China, filed for an IPO in Hong Kong after previous delays. The app is known for its long user engagement time, with comparable figures to Spotify.
  3. NFTs in China have not gained as much traction as they have abroad, contrasting the trend in Silicon Valley where NFTs are popular. The speculation around NFTs is less prominent in China's tech scene.

Vietnam's contact tracing app broadcasting a fixed ID

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 26 Apr 20
🕹 Technology Contact Tracing Privacy Concerns Data security App Development
  1. Vietnam's contact tracing app, Bluezone, was found to be broadcasting a fixed 6-character ID, which poses serious risks by leaking user information.
  2. The fixed IDs generated by the app were predictable due to the method used, potentially leading to issues like denial of service attacks and high probability of ID collision.
  3. The app also stored sensitive information like observed IDs and Bluetooth device details in Android's public storage, allowing easy falsification of exposure records by users.

Truy vết người nhiễm bệnh

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 20 Apr 20
🕹 Technology Privacy Contact Tracing Data security Public Health
  1. Technology can help in contact tracing for diseases like Covid-19, easing the burden on manual tracing efforts.
  2. Bluetooth technology is considered more accurate for location tracking in contact tracing apps.
  3. Balancing privacy concerns with the need for effective contact tracing is a complex challenge that requires careful consideration.

Implementing Attribute-Level Encryption with DynamoDB

realkinetic • 0 implied HN points • 01 May 24
🕹 Technology Encryption Databases Cloud Computing Programming Data security
  1. When working with sensitive data, having a strong security story and implementing attribute-level encryption is crucial.
  2. For extremely sensitive data, transparent encryption may not be sufficient, and application-level encryption adds an extra layer of security.
  3. Implementing attribute-level encryption for Amazon DynamoDB with KMS in Python can be achieved through a pattern using Lambda as the runtime, with the architecture built and managed using AWS CDK.

Segregate resources and good hygiene between AWS accounts

Thoughts from the trenches in FAANG + Indie • 0 implied HN points • 06 Jun 23
🕹 Technology Cloud Computing Software Engineering Data security Project management Resource Management
  1. Using different AWS accounts for each project helps keep resources separate and makes billing easier. This way, it's simple to track costs for each project.
  2. Having separate accounts reduces confusion and complexity for engineers. It keeps projects organized, making it easier to find the resources they need and limits mistakes.
  3. Segregated accounts also improve security, as a problem in one account won't affect others. This protects against errors and minimizes potential damage from mismanaged access.

Modern workflows for managing your most valuable data

Database Engineering by Sort • 0 implied HN points • 10 Dec 24
🕹 Technology Data Management Software Tools Automation Workflow Optimization Data security
  1. Managing data manually can be really tricky and slow, especially when there are lots of people involved. Organizations need a better way to handle important data changes without the hassle.
  2. Sort makes it super easy for anyone in a team to suggest data changes. This helps improve the quality of data without needing to know technical stuff like SQL.
  3. Sort keeps everything transparent by tracking every change made to the data. This means everyone knows who did what and when, which helps build trust in the process.

Risky Biz News: FTC orders MoneyGram to return $115 million to scammed victims

Risky Business News • 0 implied HN points • 15 Feb 23
🕹 Technology Cybercrime Data security Vulnerabilities Malware Infosec Industry
  1. The FTC ordered MoneyGram to return $115 million to scam victims due to system abuse
  2. Cybercriminals are developing new ransomware like MortalKombat and using phishing campaigns for attacks
  3. Various cybersecurity vulnerabilities and exploits have been detected, addressed, and reported by different companies and security researchers

Sort Achieves SOC 2 Type 2 Certification! 🎉

Database Engineering by Sort • 0 implied HN points • 21 Jan 25
🕹 Technology Data security Data Management Compliance Software Development
  1. Sort has earned SOC 2 Type 2 certification, showing they take data security seriously. This means your data is protected and trustworthy.
  2. The certification ensures that Sort meets high standards for security and privacy. This helps businesses feel secure knowing their data is safe from breaches.
  3. With this certification, Sort simplifies compliance for businesses in regulated industries. It makes it easier to manage important data without extra worries.

Ethical Considerations at the Intersection of Law and AI

AI For Lawyers • 0 implied HN points • 11 Feb 24
🕹 Technology AI Ethics Data security Regulations
  1. Ethical considerations are crucial for lawyers integrating AI into their practice, affecting duties like confidentiality and candor.
  2. Using AI in law introduces privacy concerns such as data security, client confidentiality, and adherence to ethical responsibilities.
  3. Legal professionals must navigate complex ethical and regulatory landscapes when using AI, with an emphasis on privacy protection, compliance, and client transparency.

专题·年度回顾展望 | 2023年国家网络安全总体态势分析与趋势研判

CyberSecurityMew • 0 implied HN points • 04 Feb 24
🕹 Technology Cybersecurity Data security Artificial Intelligence Network Security Digital innovation
  1. The US is intensifying its methods to press China in the tech sector, aiming to block and hunt down Chinese tech.
  2. Foreign hackers, especially those with government backing, target China's key information infrastructure, posing a severe threat to national security.
  3. Illegal cross-border data transfers and underground data trading on the dark web are significant risks for data security.

Aerospacex Completes Multi-Million Yuan New Financing Round

CyberSecurityMew • 0 implied HN points • 19 Jan 24
🕹 Technology Cybersecurity Data security Financing Research and Development Market Share
  1. Aerospacex completed a multi-million yuan financing round led by listed companies and strategic shareholders in the industrial sector, including the company's founder and core executives.
  2. The funding aims to enhance operational cash flow, invest more in data security sandbox technology, recruit technical talents, and expand collaboration for industry solutions, particularly in banking and central state-owned enterprise sectors.
  3. Aerospacex plans to focus on data security sandboxes for future technical foundation, intensify research, and development, collaborate with industry vendors, leverage shareholder resources to enhance market share in critical sectors.