投稿時間:2023-06-20 03:10:51 RSSフィード2023-06-20 03:00 分まとめ(17件)

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IT	InfoQ	Exploring the Cost Efficiency of AWS Spot Instances: A Research Investigation	https://www.infoq.com/news/2023/06/aws-spot-instances-cost-research/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=global	Exploring the Cost Efficiency of AWS Spot Instances A Research InvestigationA recent research study delved into the cost advantage offered by AWS Spot Instances in terms of an organization s overall cloud spending By analyzing the preemption rates of t t Spot Instances within the research group the data revealed a notable surge in demand for spot instances as a whole By Aditya Kulkarni	2023-06-19 17:22:00
AWS	AWS Government, Education, and Nonprofits Blog	How Hartnell College recovered critical systems using AWS after a cyber attack	https://aws.amazon.com/blogs/publicsector/hartnell-college-recovered-critical-systems-using-aws-after-cyber-attack/	How Hartnell College recovered critical systems using AWS after a cyber attackCyber events are unfortunately becoming a common event in higher education When Hartnell College experienced a cyber event in they used AWS while working with AWS Partner Ferrilli to recover and rebuild their systems Based on the lessons learned from Hartnell College s experience higher education leaders can explore certain steps to better prevent and prepare against cyber events	2023-06-19 17:16:34
AWS	AWS Podcast	#596: Silicon Innovation Day 1	https://aws.amazon.com/podcasts/aws-podcast/#596	Silicon Innovation Day Silicon chips are the foundation of modern computing AWS custom designs its silicon chips to be more efficient and sustainable which helps you maximize performance and save money To learn how AWS custom designed silicon chips can help your business tune in to AWS Silicon Innovation Day on June at a m Pacific Time at twitch tv awsonair or LinkedIn Register at Splash That Learn more about Graviton Learn more about Inferentia Learn more about Trainium Learn more about Nitro	2023-06-19 17:02:36
海外TECH	MakeUseOf	The Top 9 AI Chatbot Myths Debunked	https://www.makeuseof.com/chatbot-myths-debunked/	chatbot	2023-06-19 17:30:18
海外TECH	MakeUseOf	What PayPal Open-Sourcing JunoDB Means for Developers	https://www.makeuseof.com/what-paypal-open-sourcing-junodb-means-for-developers/	junodb	2023-06-19 17:16:17
海外TECH	MakeUseOf	How to Cancel an ExpressVPN Subscription	https://www.makeuseof.com/how-to-cancel-express-vpn-subscription/	money	2023-06-19 17:01:17
海外TECH	DEV Community	The Power of Blockchain for Smart Contracts: A Comprehensive Guide to Web3 Security	https://dev.to/securedappseo/the-power-of-blockchain-for-smart-contracts-a-comprehensive-guide-to-web3-security-2935	The Power of Blockchain for Smart Contracts A Comprehensive Guide to Web SecurityWeb has transformed technology by ushering in a new era of user owned online experiences With its decentralized nature and strong encryption Web offers enhanced security compared to its predecessor Web However like with every technology Web has its drawbacks notably in terms of security In this comprehensive guide we will delve into the world of Web security focusing specifically on the power of blockchain for smart contracts Understanding the Security Landscape of Web Web security revolves around two core principles decentralization and strong encryption These principles are inherent in blockchain technology which forms the foundation of Web Unlike traditional databases a blockchain provides multiple layers of protection making it resistant to mutation and tampering The consensus process is an important component of blockchain security This mechanism requires all participating nodes in the blockchain network to reach a common agreement on the validity of a transaction before it can be recorded Additionally every transaction on a blockchain is asymmetrically encrypted ensuring ownership can be verified The security of a blockchain is based on the principle that the computational power required to create fake transactions must exceed the combined processing power of all participating nodes As the blockchain evolves and computers become more powerful the cost of brute force or data manipulation assaults becomes prohibitively expensive While blockchain technology provides a robust security framework Web systems are still vulnerable to cyber attacks Many of these attacks target the application layer or newer technologies built around the blockchain that facilitate cross chain communication Smart Contract Vulnerabilities A Critical Security Concern Smart contracts play a pivotal role in the Web ecosystem enabling the execution of self executing contracts with predefined rules and conditions However the creation of enterprise grade smart contracts consists of multiple complicities and the ecosystem for writing these contracts is still immature Because the Ethereum Virtual Machine EVM was the first smart contract platform and is experimental it is prone to bugs and vulnerabilities One example of a smart contract vulnerability is the reentrancy attack where incorrect sequencing of operations can lead to a security breach The SWC registry records common vulnerabilities in smart contracts providing developers with valuable insights to secure their code Programming vulnerabilities remain a significant security concern in the Web landscape To ensure the security of smart contracts multiple stages of security audits are necessary before deploying them in production environments The Semantic Complexity of DeFi A Breeding Ground for Attacks Web s native support for finance through cryptocurrencies has given rise to decentralized finance DeFi applications While this integration offers new possibilities it also introduces new security challenges DeFi applications heavily rely on liquidity which is currently a weak point in the ecosystem Semantic based attacks such as market manipulation and price oracle manipulation exploit the interconnectedness of DeFi features like lending borrowing and flash loans These attacks can artificially manipulate prices leading to liquidations and significant price fluctuations Unlike smart contract vulnerabilities these attacks are more challenging to detect Mitigating these risks requires expert knowledge of the high level semantics of DeFi applications The Blockchain Trilemma Balancing Scalability Security and DecentralizationThe blockchain trilemma highlights the inherent trade offs in blockchain systems It states that blockchain networks cannot simultaneously achieve high scalability security and decentralization This trilemma is a result of the CAP theorem which posits that distributed systems can only provide two out of the three features Centralization enhances speed but compromises security while decentralization improves security at the expense of speed Layer networks such as Ethereum often struggle with this trilemma However Layer scaling solutions such as state channels sidechains and nested chains have emerged as viable options to improve scalability without compromising security Ensuring Security in an Evolving Web Environment Securing Web applications is an ongoing challenge due to the nascent nature of the technology and the absence of centralized standards organizations However several best practices can help developers enhance the security of their decentralized apps Following Design Standards Web companies offer various solutions to common problems but not all of them are equally secure Adhering to established coding standards and design patterns can significantly reduce security risks Design patterns provide reusable solutions to specific problems and their security has been well established For example the withdrawal pattern offers a safe way to transfer funds without risking the functioning of a smart contract By using this pattern developers can ensure that funds are only transferred when the recipient explicitly requests a withdrawal Avoiding Re entrancy VulnerabilitiesRe entrancy vulnerabilities can be exploited to drain smart contracts of their funds These vulnerabilities occur when the execution of a payable function is trapped in a recursive call allowing an attacker to repeatedly drain funds To mitigate this risk developers should update the state variables before making any transfers ensuring that the contract s functionality is not compromised Locking Pragma VersionsPragma directives in smart contracts define the solidity compiler versions that can execute the contract Unlocking the pragma allows the contract to run on untested or experimental solidity versions increasing the chances of introducing fatal bugs Developers should lock the pragma to a specific version to ensure stability and security Encrypting Sensitive DataContrary to popular belief private variables in smart contracts are not hidden from view All data stored on the blockchain is accessible to anyone While data storage contracts exist they are not designed for storing sensitive information Developers must encrypt any sensitive data stored on the blockchain to ensure privacy and security Preparing for FailureBlockchain technology is experimental and failures are bound to occur Smart contracts once deployed are immutable and cannot be deleted Therefore it is crucial to design contracts that can gracefully handle failures This includes implementing circuit breakers to pause contract functionality in the event of a breach rate limiting to prevent excessive usage and creating upgrade paths for introducing improvements and bug fixes Harnessing the Power of Blockchain Programming Languages Blockchain development requires proficiency in programming languages tailored for smart contract development and blockchain network development Each language serves a specific purpose and provides unique benefits Go The Modern C for Blockchain SystemsGo is a programming language developed by Google that combines a modern syntax with memory safety structured typing and garbage collection It offers fine grained hardware control making it suitable for building fast and reliable blockchain systems Rust Security and Efficiency for Blockchain DevelopmentRust developed by Mozilla is often compared to modern C It offers similar features to Go but with controllable memory management Rust is used in major blockchain networks like Solana and Polkadot providing security and efficiency for blockchain systems Python A General Purpose Language for Smart ContractsPython is a popular general purpose programming language known for its simplicity and readability It has extensive libraries and is used for writing smart contracts in blockchains like AlgoRand Python is also utilized in smart contract vulnerability tools like Mythril and Slither JavaScript The Language of the WebJavaScript is the native language of the internet and offers first class support for blockchain development It has a small learning curve and is widely used for developing blockchain applications With the support of npm and the Node js ecosystem JavaScript provides a robust toolset for building blockchain apps Solidity The Language of Smart ContractsSolidity is the most popular programming language for writing smart contracts especially in the Ethereum ecosystem It bears similarities to curly bracket languages like Java and JavaScript making it relatively easy to learn Solidity has a mature ecosystem of libraries and frameworks making it a preferred choice for smart contract development Vyper Motoko and Yul Specialized Languages for Blockchain DevelopmentVyper is a Pythonic language developed to simplify blockchain programming and eliminate vulnerabilities present in Solidity code Motoko is used for application development on the Internet Computer blockchain aiming to reform the centralized internet Yul is an intermediate EVM based language designed to optimize Solidity code for improved gas efficiency Security Analysis Tools for WebSecurity analysis tools play a crucial role in identifying vulnerabilities and ensuring the security of Web applications These tools simplify the process of auditing smart contracts and detecting potential security risks Blockchain Development Frameworks for WebDeveloping custom blockchains from scratch can be time consuming and expensive Fortunately several blockchain development frameworks provide pre existing tools and configurations for building custom blockchains Hyperledger Fabric A Modular Framework for Enterprise BlockchainHyperledger Fabric hosted by the Linux Foundation is a permissioned blockchain platform designed for enterprise use It offers a modular architecture allowing developers to plug and play various components Fabric supports a wide range of consensus mechanisms and provides the flexibility to add custom features Ethereum The First Smart Contract PlatformEthereum is the world s first and most popular blockchain development framework It introduced smart contracts to the blockchain world revolutionizing the way decentralized applications are built Ethereum s Turing complete bytecode interpreter the EVM powers the execution of smart contracts Web Security Roles Protecting the Future of DecentralizationWeb security requires skilled professionals who can navigate the complex landscape of decentralized technologies Several key roles contribute to ensuring the security and integrity of Web applications Smart Contract Auditor Ensuring Code SafetySmart contract auditors play a critical role in the Web ecosystem They analyze smart contracts detect vulnerabilities and ensure the safety of the code before it goes into production Auditors may also mentor other engineers guiding them on best security practices And this process is handled by SecureDApp Because SecureDApp is one of the best smart contracts audit companies and they complete their task professionally and time bound Blockchain Security Engineer Safeguarding the Entire EcosystemBlockchain security engineers are responsible for securing the entire Web ecosystem They conduct security audits secure blockchain infrastructure develop custom security tools and conduct research on emerging security threats These professionals play a vital role in maintaining the integrity of blockchain networks SecureDApp provide you best blockchain Security Engineer Security Lead Orchestrating Comprehensive Security MeasuresSecurity leads are responsible for overseeing the security of the entire blockchain infrastructure Secure your Smart contracts with SecureDApp They develop comprehensive information security plans make critical security decisions and ensure the organization and its clients are protected Security leads have a deep understanding of the Web landscape and are instrumental in setting security standards Closing Thoughts Navigating the Complexities of Web SecurityWeb security is a critical aspect of the decentralized internet As the Web ecosystem continues to evolve the need for robust security practices becomes increasingly important By understanding the security landscape leveraging the power of blockchain programming languages and utilizing security analysis tools developers can build secure and reliable Web applications Blockchain for smart contracts offers immense potential but it also introduces new security challenges By following best practices adhering to design standards and staying updated with the latest security trends developers can contribute to a more secure and trustworthy Web ecosystem Embracing the power of Web securely is essential to unlocking the full potential of decentralized technologies	2023-06-19 17:25:23
Apple	AppleInsider - Frontpage News	Reddit got hacked, and that's not even the most ludicrous news about it today	https://appleinsider.com/articles/23/06/19/reddit-got-hacked-and-thats-not-even-the-most-ludicrous-news-about-it-today?utm_medium=rss	Reddit got hacked and that x s not even the most ludicrous news about it todayThe protest against Reddit s API changes continue with hackers demanding API cost changes as part of a ransom demand while subreddits tap the power of John Oliver and Tim Cook Reddit s management is currently under fire from users over a decision to make developers of apps pay to access the API The decision which will make it prohibitive for third party app developers to continue using the API has been met with scorn by the Internet at large and has affected the site in a few ways including one unexpected source In February Reddit admitted to being the victim of hacking after an employee fell victim to phishing The breach of Reddit s systems saw approximately gigabytes of compressed data seized by the BlackCat ransomware gang reports BleepingCopputer Read more	2023-06-19 17:45:51
Apple	AppleInsider - Frontpage News	Apple will upgrade iPhone 15 Ultra Wideband chip for Vision Pro integration, says Kuo	https://appleinsider.com/articles/23/06/19/apple-will-upgrade-iphone-15-ultra-wideband-chip-for-vision-pro-integration-says-kuo?utm_medium=rss	Apple will upgrade iPhone Ultra Wideband chip for Vision Pro integration says KuoAnalyst Ming Chi Kuo claims that Apple will aggressively upgrade its iPhone hardware to better integrate with the new Apple Vision Pro Apple Vision Pro with mockup of iPhone ProIt s only to be expected that Apple sees its Vision Pro as part of the company s ecosystem of devices and services but analyst Ming Chi Kuo claims to know the specifics of Apple s hardware plans Read more	2023-06-19 17:09:43
ニュース	BBC News - Home	Mayor quits after apologising for attending Pride event	https://www.bbc.co.uk/news/uk-england-leeds-65954361?at_medium=RSS&at_campaign=KARANGA	event	2023-06-19 17:26:15
ニュース	BBC News - Home	Ashes: England's Stuart Broad strikes to removes Australia's Steve Smith for 6	https://www.bbc.co.uk/sport/av/cricket/65956681?at_medium=RSS&at_campaign=KARANGA	ashes	2023-06-19 17:54:49
ビジネス	ダイヤモンド・オンライン - 新着記事	新任マネジャー必読！『新1分間マネジャー』を読む【書籍オンライン編集部セレクション】 - 世界中のマネジャーのバイブル、ブランチャードを読む	https://diamond.jp/articles/-/324464	部下	2023-06-20 02:50:00
ビジネス	ダイヤモンド・オンライン - 新着記事	【公衆衛生学者が教える】イライラしているときに絶対やってはいけないこと【ワースト1】 - 健康になる技術　大全	https://diamond.jp/articles/-/324707	【公衆衛生学者が教える】イライラしているときに絶対やってはいけないこと【ワースト】健康になる技術大全イライラしているときに絶対やってはいけないことがあると『健康になる技術大全』の著者、林英恵さんは言います。	2023-06-20 02:45:00
ビジネス	ダイヤモンド・オンライン - 新着記事	【整体プロが教えるコリ・痛み解消法】「脱力睡眠」のすすめ - すごい自力整体	https://diamond.jp/articles/-/324706	なぜ自力整体でつらいコリや痛みが解消されるのか今回は自力整体の考案者である矢上裕さん矢上真理恵さんのお父さんもお招きしてお話をうかがいました。	2023-06-20 02:40:00
海外TECH	reddit	Message from the guy who leaked everything via nnslivercha	https://www.reddit.com/r/Genshin_Impact_Leaks/comments/14dl5rd/message_from_the_guy_who_leaked_everything_via/	Message from the guy who leaked everything via nnslivercha submitted by u shdjksj to r Genshin Impact Leaks link comments	2023-06-19 17:39:03
海外TECH	reddit	Weird blue deer artist child	https://www.reddit.com/r/Genshin_Impact_Leaks/comments/14dl0x1/weird_blue_deer_artist_child/	Weird blue deer artist child submitted by u ukrisreng to r Genshin Impact Leaks link comments	2023-06-19 17:34:02
海外TECH	reddit	Team BDS vs. Astralis / LEC 2023 Summer - Week 1 / Post-Match Discussion	https://www.reddit.com/r/leagueoflegends/comments/14dl4ov/team_bds_vs_astralis_lec_2023_summer_week_1/	Team BDS vs Astralis LEC Summer Week Post Match DiscussionLEC SUMMER Official page Leaguepedia Liquipedia Eventvods com New to LoL Team BDS Astralis BDS Leaguepedia Liquipedia Website Twitter Facebook AST Leaguepedia Liquipedia Website Twitter Facebook YouTube MATCH BDS vs AST Winner Astralis in m Bans Bans G K T D B BDS irelia lucian maokai rakan kennen k None AST vi leblanc zeri poppy wukong k I H C H O B O BDS vs AST Adam renekton TOP rumble Finn Sheo gragas JNG sejuani nuc neeko MID yasuo LIDER Crownie aphelios BOT xayah Kobbe Labrov milio SUP blitzcrank JeongHoon This thread was created by the Post Match Team submitted by u Soul Sleepwhale to r leagueoflegends link comments	2023-06-19 17:37:54