検索キーワード： 暗号理論

In the ever-expanding digital world, your password is more than just a string of characters—it’s the front door to your online life. Every email, social media post, financial transaction, and cloud-stored file is protected (or not) by the strength of your passwords. Yet despite their vital role, most people still treat passwords as a nuisance rather than the keystones of personal security.

Un scénario optimiste pour bitcoin est un livre plutôt court et agréable à lire, qui résume très bien les différents arguments en faveur de Bitcoin, idéal pour les débutants mais aussi un très bon rappel pour les connaisseurs. L'auteur revient sur les fondamentaux de la monnaie, son adoption dans des groupes sociaux et les attributs qui lui confèrent un statut de réserve de valeur. Il décrit également les différentes étapes du processus de monétisation, par lequel un bien passe d'objet de collection à un moyen d'échange reconnu de tous au sein d'une société.

In our interconnected world, we face a complex cybersecurity ecosystem where digital vulnerabilities can have far-reaching consequences. Threats to digital infrastructure often impact critical physical systems, potentially causing real-world harm. With AI agents set to handle extensive personal information, data security and privacy are more crucial than ever.

Congratulations! Perhaps you have been appointed as the Chief Privacy Officer (CPO) or the Data Protection Officer (DPO) for your company. Maybe you are an experienced CPO/DPO, and you wonder—"what can I learn from other successful privacy experts to be even more effective?" Or perhaps you are...

In Decentralizing Finance, blockchain and digital assets expert Kenneth Bok offers an insightful exploration of the current state of decentralized finance (DeFi). As distributed ledger technology (DLT) increasingly optimizes and democratizes financial ecosystems worldwide, this book serves as a guide to the most salient aspects of the ongoing transformation.

The NFT Artists’ Playbook: From Concept to Sale is an essential guide for anyone looking to navigate the dynamic world of NFTs (non-fungible tokens). Suitable for beginners to intermediates in the NFT space, this comprehensive book offers a step-by-step approach to understanding NFTs and successfully creating, marketing, and selling your digital art in the ever-evolving NFT marketplace.

Let me show you just how easy it is for you to get into the digital revolution of Bitcoin. Whether you want to (1) know all about Bitcoin (2) know all the best ways to acquire and manage Bitcoin, or (3) you just want to know how to Use Bitcoin to Your advantage, this book will give you all you need to know in this easy to follow guide.

In The Reign of Botnets, fraud and bot detection expert David Senecal delivers a timely and incisive presentation of the contemporary bot threat landscape and the latest defense strategies used by leading companies to protect themselves. The author uses plain language to lift the veil on bots and fraud, making a topic critical to your website's security easy to understand and even easier to implement.

You need to understand what’s come before so that you can guard against it happening to you… and you need to know exactly what to do to make sure your business is secure. You also need to understand exactly what your cybersecurity status is right now so you can pinpoint the holes that need patching… and the chances are, there’s more to patch up than you realize. Because here’s the kicker: Technology is vital to the success of your company – and that means you have to keep it safe.

Cryptography is the science of keeping information secret and secure. It’s one of the oldest and most fascinating fields in human history. Long before computers, satellites, and smartphones, people were using secret codes to share information that had to be kept away from prying eyes. From ancient Egyptian hieroglyphics to encrypted war plans during World War II, the desire to keep secrets safe has always been a part of human life. But cryptography isn’t just a subject for history books or spy movies. Today, cryptography is all around us.

Accomplished cybersecurity and forensics consultant Nick Furneaux delivers an expert discussion of the key methods used by cryptocurrency investigators, including investigations on Bitcoin and Ethereum type blockchains. The book explores the criminal opportunities available to malicious actors in the crypto universe, as well as the investigative principles common to this realm.

"The Cyber War Is Here" simplifies the complex world of cybersecurity, cyber risk, and the crucial relationship between corporate boards and Chief Information Security Officers (CISOs). Written by a distinguished cybersecurity expert and USAF Veteran, it emphasizes the strategic importance of cybersecurity in modern business. Marc highlights the evolving role of CISOs, emphasizing their shift from IT guardians to strategic advisors to the board. The book explores successful board-CISO interactions and the consequences of misalignment, offering a clear blueprint for effective partnership.

We all keep secrets—from our locker codes to our passwords to our online interactions. And we choose to share those secrets only with those whom we trust. So, too, do organizations, businesses, governments, and armies. In Cryptography, Panos Louridas provides a broad and accessible introduction to cryptography, the art and science of keeping and revealing secrets.

The information security industry is undergoing a major change, forced by the rise of end-to-end encryption, encryption that cannot be intercepted, transport protocol stack evolution, "zero trust networks", and distributed computing. While we understand the logical connections between these trends, there is little analysis of all of these trends in combination. Examination of all five trends uncovers opportunities that not only improve the state of information security and the general posture, but also lead to resource reductions necessary for information security to be sustainable.

Libérez votre potentiel : Faites le saut vers la cybersécurité avec confiance ! Vous êtes un professionnel de l'informatique ou un technicien du service d'assistance cherchant à entrer dans le domaine de la cybersécurité mais vous ne savez pas par où commencer ? Ce guide est votre feuille de route pour réussir cette transition. Passer de l'assistance informatique à la cybersécurité peut sembler intimidant. Un manque d'expérience pratique, des incertitudes sur les certifications et des lacunes en cybersécurité peuvent rendre l'accès au premier poste difficile.

In a world where every click is tracked, every search is analyzed, and every online move leaves a trace, digital privacy has never been more critical or vulnerable. Beginners Guide to VPNs: Your Secret Tunnel to Online Privacy by Alsden Keir is your essential roadmap to understanding, choosing, and using Virtual Private Networks (VPNs) confidently and clearly. Far from being a tool for tech experts or conspiracy theorists, a VPN is a simple, effective solution for anyone who values online privacy, security, and freedom.

Quantum computing is advancing fast—and when it arrives, today’s encryption may fail. This practical guide by cybersecurity expert Taimur Ijlal helps you understand and prepare for the quantum threat before it hits.

Protect Your Digital Life in Minutes—Even If You’re Not Tech-Savvy! Every click, every login, and every online interaction exposes you to digital threats—identity theft, hacking, and scams that can compromise your personal and financial security. But what if protecting yourself was simpler than you thought?" A Beginner’s Guide to Digital Prepping & Practical Cybersecurity" cuts through the confusion, offering clear, step-by-step strategies to safeguard your accounts, secure your family’s digital footprint, and prevent cyber threats—without requiring advanced technical skills.

In today’s fast-changing world, preparedness is essential. Whether you're planning for natural disasters, protecting your digital life, or streamlining your emergency kits, this 3-in-1 collection equips you with real-world strategies to take control of your safety and peace of mind.

In a world where the clink of coins in a piggy bank has evolved into the click of digital transactions, understanding modern money can seem daunting—especially for grandparents who want to bridge the gap and demystify the realm of cryptocurrencies and blockchain technology for their curious grandchildren. Inspired by a heartfelt conversation with his seven-year-old grandson about his cherished old coin bank, Piggy Banks to Digital Wallets takes you on a journey that begins with the familiar and traditional and helps you move into the fascinating realm of electronic finance.