Identity

Network Security: Protecting Perimeter and Perimeterless Networks Networks today span on‑premises data centers, cloud services, and mobile devices. This mix makes the old idea of a single, hard fence less reliable. A solid defense blends traditional perimeter controls with protections that move with users and data. The goal is to reduce risk without slowing work, collaboration, or innovation. Perimeter security remains essential at entry and exit points. Firewalls, secure gateways, and intrusion detection systems help block unwanted traffic and alert on suspicious activity. Encrypting data in transit and at rest keeps even intercepted information unreadable. Regularly review rules, patch devices, and align configurations with business needs. ...

Blockchain beyond cryptocurrency When people hear blockchain, they often think of cryptocurrency. But the technology offers value far beyond money. A blockchain is a distributed ledger: a shared record that is stored on many computers and updated as a group. Because data is replicated and secured by cryptography, it’s hard to alter once written. This builds trust between parties who do not fully know or trust each other, making complex processes smoother. ...

Blockchain Beyond Cryptocurrency: Practical Use Cases Many people equate blockchain with crypto price swings. In reality, the technology offers secure record keeping, verifiable history, and automated processes that cross borders and industries. This article highlights practical use cases you can understand, with simple examples and a focus on value, not hype. Supply Chain and Provenance Tracking goods from producer to consumer is hard. A blockchain-based system records each step: origin, location, temperature logs, and quality checks. Partners share access to a single version of the truth, reducing fraud and delays. When a shipment moves, the ledger reflects it in real time, and a consumer can scan a code to see a product’s journey. ...

Zero Trust Security in Practice Zero Trust is a modern approach to security. It treats every access attempt as untrusted until verified, whether it comes from inside or outside the organization. This mindset helps protect data, apps, and users in a world of cloud services, mobile work, and diverse devices. The goal is simple: never trust, always verify. Key ideas are clear and practical. Verify explicitly using strong identity checks. Apply least privilege so users and apps only access what they truly need. Assume breach and design controls that limit damage. Use micro-segmentation to reduce blast radius. Enforce continuous visibility and analytics to catch anomalous behavior early. These steps work together to reduce risk without slowing legitimate work. ...

Network Security in a Connected World In a connected world, your devices—from smartphones to home routers and cloud apps—share data across networks every day. A simple, steady approach to security keeps problems small and helps protect people, money, and time. You don’t need perfect protection to stay safe; you need practical, reliable habits. The threat landscape shifts quickly. Phishing, malware, weak passwords, and outdated software lead the most breaches. Often the weakest link is normal daily behavior, not a dramatic attack. By focusing on a few clear steps, you can raise your defenses without slowing you down. ...

Web3 and Blockchain in Practice Web3 and blockchain are often described as futuristic tech, but in practice they are tools you can understand and use. A blockchain is a shared ledger that stores transactions in blocks, making history harder to alter. Smart contracts are small programs that run on the network and can automate rules without a middleman. In many projects, teams use a mix of public networks for openness and private networks for privacy. For example, a manufacturer might log shipments on a private chain with permissioned access for suppliers, while users settle payments on a public layer. This combination helps balance transparency with control. ...

Blockchain for Business: Beyond Cryptocurrencies Blockchain is often linked to coins, but its real value for business lies in how it stores and shares data. A distributed ledger provides a single source of truth, verifiable without a central authority, and it can automate rules with smart contracts. For many teams, this means faster collaboration, less duplication of work, and stronger data integrity across systems. What it does for business Trust: parties share the same record, reducing reconciliations. Efficiency: automated workflows cut manual steps. Resilience: tamper‑evident records help protect critical data. Compliance: auditable trails support governance and regulatory needs. Interoperability: standardized data formats enable collaboration across ecosystems. Practical use cases ...

Web3 and Blockchain: Beyond the Hype Web3 and blockchain are often mentioned together, but they are not the same thing. Blockchain is a distributed ledger that records transactions in a way many people can verify. Web3 is a design idea: it aims to build services that give users more control over data, identities, and interactions. Together, they promise new models for online work and trade, but the reality is nuanced and requires careful planning. ...

IoT Security: Protecting Devices at Scale IoT devices are everywhere, from home sensors to factory machines. As deployments grow into thousands or millions, security must scale with them. The goal is to protect devices, data, and users without slowing operations. This article shares practical steps you can adopt now. Foundations start with trust in hardware and code. Key practices include secure boot and firmware signing to prevent tampering, plus unique device identities and strong certificate management. Pair this with mutual TLS for device-to-cloud and device-to-device communication to reduce exposure. ...

Web3 and Blockchain Reimagining Trust and Transactions Web3 and blockchain technologies are not just buzzwords. They describe systems where trust sits in code, data, and agreed rules, not in a single gatekeeper. This shift changes how people, businesses, and governments interact. In practice, trust comes from openness and verifiability. Public ledgers record what happens, and clever contracts automate agreements the moment conditions are met. Digital identity, verifiable credentials, and programmable agreements are shaping new ways to transact. Smart contracts can run when a set of conditions is met, removing many traditional steps. People can exchange value across borders with less friction, and organizations can share data more safely with partners they cannot always fully trust. ...