{"id":20893,"date":"2021-04-03T23:37:37","date_gmt":"2021-04-03T18:07:37","guid":{"rendered":"https:\/\/valeurbit.com\/blog\/?p=20893"},"modified":"2021-04-03T23:37:39","modified_gmt":"2021-04-03T18:07:39","slug":"how-companies-are-using-quantum-technologies-to-improve-cybersecurity","status":"publish","type":"post","link":"https:\/\/valeurbit.com\/blog\/how-companies-are-using-quantum-technologies-to-improve-cybersecurity\/","title":{"rendered":"How companies are using quantum technologies to improve cybersecurity"},"content":{"rendered":"\n<p>In the context of the technological revolution, hackers are developing in parallel with innovative solutions in cybersecurity.\u00a0However, engineers, mathematicians and physicists are actively working on new ways of quantum encryption.\u00a0Let&#8217;s analyze the main advantages and difficulties in the implementation of such protection.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What is cryptography?<\/h2>\n\n\n\n<p>Cryptography is a means of protecting data from intruders.\u00a0It allows you to protect any information on devices, from web conferencing to individual browsing history.\u00a0The data is encrypted using algorithms that require a unique key to decrypt.<\/p>\n\n\n\n<p>The use of one private key, that is, a specific string of bits for decryption and encryption, is called symmetric cryptography.<\/p>\n\n\n\n<p>And the use of public keys for encryption and private keys for decryption, each generated\u00a0by\u00a0algorithm-based random number\u00a0generators\u00a0, is called asymmetric cryptography.<\/p>\n\n\n\n<p>Complete randomness is difficult to achieve by classical means, but it can be achieved using quantum physics.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quantum key distribution<\/h2>\n\n\n\n<p>There are\u00a0two\u00a0methods that allow large-scale quantum and classical computers to hide sensitive information.<\/p>\n\n\n\n<ul><li><strong>Method # 1:<\/strong>&nbsp;&nbsp;recovering the key generated during the key agreement stage.<\/li><li><strong>Method # 2:<\/strong>&nbsp;&nbsp;interrupt the encryption algorithm.<\/li><\/ul>\n\n\n\n<p>Quantum Key Distribution\u00a0(QKD) is a low-level quantum cryptographic algorithm designed to generate non-breaking keys.\u00a0QKD provides key agreement including the well-known\u00a0BB84 and E91\u00a0protocols\u00a0.\u00a0In 2017, the Chinese\u00a0<a href=\"https:\/\/www.cnbc.com\/2017\/08\/10\/china-uses-quantum-satellite-to-transmit-potentially-unhackable-data.html\" target=\"_blank\" rel=\"noreferrer noopener\">team<\/a>\u00a0proved the possibility of secure data transfer between satellites using symmetric cryptography and QKD.\u00a0<\/p>\n\n\n\n<p>However, the QKD alone cannot satisfy all protection requirements.&nbsp;However, there are other mechanisms for increasing security through the use of &#8220;quantum-safe&#8221; encryption algorithms.&nbsp;They are based on solving mathematical problems, not on the laws of quantum physics.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Limitations in quantum computing<\/h2>\n\n\n\n<p>The most important task now is to create the most fault-tolerant qubits (cells for storing information in a quantum computer) in order to increase the possibilities of quantum computing.&nbsp;Tech giants such as Google, Amazon, IBM and Honeywell are already investing in finding solutions to this problem.<\/p>\n\n\n\n<p>Currently, quantum computers are programmed for individual quantum logic gates (basic elements of a quantum computer that transform the input states of qubits into outputs according to a certain law).&nbsp;This may be acceptable for small quantum computers, but will become a problem in the use of a large number of qubits.&nbsp;IBM and Classiq are developing more and more data abstraction mechanisms that allow developers to apply quantum technologies to solve real-world problems.<\/p>\n\n\n\n<p>For complex tasks, including error correction schemes, organizations need to ensure that they can monitor large volumes of qubits.&nbsp;This implies low latency and CMOS-based adaptive feedback control circuits.<\/p>\n\n\n\n<p>The question of increasing the number of qubits in a quantum chip is still open.&nbsp;Since it is difficult to imagine developing multiple qubit chips with millions of wires connected to a circuit board right now.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Applying quantum computing to cybersecurity<\/h2>\n\n\n\n<p>Researchers and analysts are committed to developing secure quantum encryption.&nbsp;According&nbsp;<a href=\"https:\/\/www.americanscientist.org\/article\/is-quantum-computing-a-cybersecurity-threat\" target=\"_blank\" rel=\"noreferrer noopener\">to<\/a>&nbsp;American Scientist, the US National Institute of Standards and Technology is currently researching 69 new techniques known as post-quantum cryptography.&nbsp;Quantum computing is a good potential solution to cybersecurity and encryption problems.&nbsp;Therefore, every security-focused organization must clearly understand what crypto flexibility is.<\/p>\n\n\n\n<p>However, the quantum revolution is highly unpredictable.&nbsp;Although the prospect of the introduction of fault-tolerant quantum computers is not yet relevant, modern quantum technologies are still very effective in increasing the confidentiality and security of communications.&nbsp;Companies should think about developing innovative strategies and be prepared for the coming quantum revolution.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the context of the technological revolution, hackers are developing in parallel with innovative solutions in cybersecurity.\u00a0However, engineers, mathematicians and physicists are actively working on new ways of quantum encryption.\u00a0Let&#8217;s analyze the main advantages and difficulties in the implementation of such protection. What is cryptography? Cryptography is a means of protecting data from intruders.\u00a0It allows&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v16.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How companies are using quantum technologies to improve cybersecurity | ValeurBit Infosec<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/valeurbit.com\/blog\/how-companies-are-using-quantum-technologies-to-improve-cybersecurity\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How companies are using quantum technologies to improve cybersecurity | ValeurBit Infosec\" \/>\n<meta property=\"og:description\" content=\"In the context of the technological revolution, hackers are developing in parallel with innovative solutions in cybersecurity.\u00a0However, engineers, mathematicians and physicists are actively working on new ways of quantum encryption.\u00a0Let&#8217;s analyze the main advantages and difficulties in the implementation of such protection. 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