Mehmet Yigit’s Post

✨ Ethereum Swarm’s Access Control Trie: empowering data sovereignty Swarm is transforming the decentralized web, and its Access Control Trie (ACT) is a groundbreaking innovation in data security. ACT allows users to control access to their data in a decentralized environment, eliminating reliance on centralized authorities. With ACT, you dictate who can access your data, under what conditions, and for how long, ensuring your permissions are enforced across the global Swarm network. This isn’t just a technical feat; it’s a step towards reclaiming digital sovereignty in a world plagued by data breaches. In essence, Access Control Trie empowers individuals to securely manage their data, heralding a future where data is truly decentralized and controlled by the users who own it. 🔐 🧑💻 If you’re interested in the technical details behind ACT and how it enforces data sovereignty within the Swarm network, keep an eye out for our deep-dive article: https://lnkd.in/d7_kRGNh We’ll explore the architecture, cryptography, and mechanisms that power this innovation. 👨💼For businesses, understanding how ACT can be applied to ensure data sovereignty and secure, scalable data management is crucial. Our upcoming article will discuss how companies can leverage Ethereum Swarm to enhance data control, privacy, and trust in a decentralized world. The development of ACT was spearheaded by our dedicated team at Solar Punk, and we couldn’t be prouder of this groundbreaking achievement. Over the past months, our developers have been working tirelessly to create a solution that redefines data security and sovereignty in the decentralized web. ACT represents not only a technological breakthrough but also our core belief in empowering individuals and businesses to take full control of their data. Join us in the (r)evolution of decentralized tech - where data sovereignty reigns supreme! 💫 #AccessControlTrie #SolarPunk #EthereumSwarm #DataSovereignty #DecentralizedWeb #DataSecurity #PrivacyTech #Web3 #DecentralizedData #ACT

Aim : To study and implement the Diffe-Hellman key exchange algorithm for secure exchange of keys between two entities.  The Diffie-Hellman key exchange algorithm is a revolutionary cryptographic method that enables two parties to securely establish a shared secret key over an insecure communication channel without prior arrangements. Developed by Whitfield Diffie and Martin Hellman in 1976, this algorithm is foundational in modern cryptography and is widely used to secure various internet services. Key Features of the Diffie-Hellman Algorithm Secure Key Exchange: The algorithm allows two parties, commonly referred to as Alice and Bob, to agree on a shared secret key by performing calculations based on a large prime number p p and a generator g g. Each party generates their private key, computes their public key, and exchanges these public keys to derive the shared secret key independently. Mathematical Foundation: The security of the Diffie-Hellman method relies on the mathematical difficulty of the discrete logarithm problem. Even if an eavesdropper knows the public keys and the parameters p p and g g, they cannot feasibly compute the shared secret key. Applications: This key exchange protocol is integral to various security protocols, including SSL/TLS for secure web communication and SSH for secure remote access. It ensures both confidentiality and integrity of the data transmitted over public networks. Forward Secrecy: The Diffie-Hellman algorithm can be implemented in a way that provides forward secrecy, meaning that even if a private key is compromised in the future, past communications remain secure because new keys are generated for each session. In summary, the Diffie-Hellman key exchange algorithm is a cornerstone of secure communications, enabling entities to exchange cryptographic keys without exposing them to potential interception, thus enhancing the security of digital communications in today's interconnected world.

A Detailed Guide to Homomorphic Encryption | Types and Examples to Know https://lnkd.in/d_EAnfzn #HomomorphicEncryption #Datasecurity #Encryption

🔒 Confidential Computing makes it possible to run programs on somebody else’s computer but where the owner of that computer can neither influence nor observe what’s happening. 😮 It is also instrumental in solving the problem of “protecting users from themselves”. This tech can revolutionize how businesses handle sensitive data, offering a competitive edge in industries where data security and trust are paramount. https://lnkd.in/guicekjR

Today, let’s dive deep into decentralized identity with Microsoft Entra ID! 🚀 Discover how decentralized identity solutions can revolutionize digital identity management, enhance security, and empower users with greater control over their personal data. Join the conversation and learn how Microsoft Entra ID is paving the way for a more secure and user-centric digital future. 💡🔒 #DecentralizedIdentity #MicrosoftEntraID #DigitalSecurity #IdentityManagement #TechInnovation https://lnkd.in/eX_PKTRU

"SIEM migration" doesn't have to be a fear-inducing phrase. Just ask the University of Oklahoma! With Devo, they consolidated and streamlined their SOC operations and were confidently using the platform within a month. Learn more by reading the blog post below. https://bit.ly/3w03ZoW

🚀 pCloud to Proton Drive: The Ultimate Guide for Secure Data Migration 🛡️ In the digital era, cloud storage has become a cornerstone of our online presence, offering unmatched convenience and security for our precious data. Among the plethora of cloud storage solutions, pCloud and Proton Drive emerge as frontrunners, each with unique features tailored to safeguard user privacy and enhance data security. Why Migrate from pCloud to Proton Drive? 🤔 Our comprehensive guide delves into the nuts and bolts of migrating from pCloud to Proton Drive, showcasing the strategic advantages of making the switch. Proton Drive stands out for its robust privacy features, including end-to-end encryption, ensuring that your digital footprint is secure and private. In an age where digital privacy is paramount, choosing a service like Proton Drive is not just wise—it's essential. Seamless Transition with Expert Guidance 📚 This guide walks you through the entire migration process, from the initial considerations like assessing data volume and organizing files to the actual steps of transferring your digital assets. Whether you prefer a direct web-based transfer or the efficiency of cloud-to-cloud migration with Cloudslinker, we've got you covered. Our guide also provides a comparative analysis of different transfer methods, ensuring you make an informed decision that best suits your needs. Embrace the Future of Cloud Storage with Proton Drive 🌐 Migrating to Proton Drive not only secures your digital assets but also positions you to benefit from future innovations in cloud storage technology. With its commitment to privacy and security, Proton Drive is designed for users who prioritize the confidentiality of their data, offering a straightforward and secure platform for storing and sharing sensitive information. Get Started Today! 🌟 Dive into our ultimate guide for migrating from pCloud to Proton Drive and take the first step towards enhanced digital security and privacy. Your data deserves the best protection—choose Proton Drive. 🔗 Read the full guide here: https://lnkd.in/gvij5H4K

What organizations should do today to be prepared for safety in the #quantum era?  1️⃣ Identify your most critical data and... 2️⃣ ...prepare a cryptography inventory.  Microsoft #Purview and GitHub #CodeQL can help in this journey. Read this article to understand why it's important to move now. The time when the asymmetric encryption algorithms universally used today will be considered vulnerable due to the availability of sufficient qubits is not so far away! https://lnkd.in/deuGd9in #MicrosoftSecurity

As the dust settles on Google's decision to distrust Entrust, it's a reminder that the system we rely on to interact and operate online isn't static, it's dynamic, and businesses must optimize their #digitaltrust strategy for agility👇 #1 Choice: Teams want to (and will) use the tools that work best for them. When it comes to #PKI, they have options: Cloud-based CAs, private CAs, public CAs, and issuers built into #DevOps tools. Consolidation is key, but so is flexibility to use their preferred tools, while security teams can maintain centralized governance and control. #2 Compromise: It's inevitable. CAs will be distrusted, incidents will happen, certificates will be revoked, Entrust isn’t alone in this. A CA-Agnostic approach to certificate management is key to mitigate risk and avoid disruption when these incidents happen. #3 Change: The lifespan of certificates is only shrinking, with Google proposing 90-day TLS lifespans in the near future. This will place a significant workload on teams responsible for managing certificates, making manual methods obsolete. Automation will be key to success. #4 Crypto-Agility: #NIST will soon announce a new set of quantum-resilient algorithms, and they won't be the last. This represents a fundamental change in how PKI and security teams operate. It will require a complete inventory of all certificates and keys, new systems that can support these new standards, and automation to help them get there. Check out the blog to learn more about the recent event, and how you can prepare to adapt:

Day-to-day problems. Do you know how the encryption works while you are making some transaction or talking to your friend? To take a safe conversation we need keys generated with randomness. The randomness is very important to encryption because you need random data to create encryption keys which are used to guarantee the uniqueness of the keys. Is the same in your house: you don't want someone else with the same key of your front door. So, how do we can create a unique key to our transactions and conversations? The process is not so simple, but you can put some chaos from the "real world" on that and facilitate the task. How to do this? Thinking about the key to the front door of your house, it should not be the same as the keys of people living near you. But when we think about communications on Internet, how can we talk - or transact - in a safe way? Using the encryption/decryption process. To begin with, we need randomness to obtain a cryptographic seed, an unique data used to generate random data and safe keys to our transactions. So, I think the simple is the better way to solve day-to-day issues and Cloudflare think in the same way. They use a shelf with lava lamps and a camera that takes shoots of them, resulting in a different random sequence of numerical values that can be used as a seed. Is a curious way to think about the randomness and you can see how they do that in https://lnkd.in/dqiY9Nvs And you? How do you think about everyday problems? Tell us how you think about the way to solve problems.