{"id":996684,"date":"2025-10-07T10:00:12","date_gmt":"2025-10-07T03:00:12","guid":{"rendered":"https:\/\/dibiz.vn\/?p=996684"},"modified":"2025-10-07T10:00:12","modified_gmt":"2025-10-07T03:00:12","slug":"future-proofing-your-data-post-quantum-cryptography-and-beyond-bao-mat-du-lieu-luong-tu-mat-ma-hau-luong-tu-tuong-lai","status":"publish","type":"post","link":"https:\/\/dibiz.vn\/en\/future-proofing-your-data-post-quantum-cryptography-and-beyond-bao-mat-du-lieu-luong-tu-mat-ma-hau-luong-tu-tuong-lai\/","title":{"rendered":"Future-Proofing Your Data: Post-Quantum Cryptography and Beyond B\u1ea3o M\u1eadt D\u1eef Li\u1ec7u L\u01b0\u1ee3ng T\u1eed: M\u1eadt M\u00e3 H\u1eadu L\u01b0\u1ee3ng T\u1eed &amp; T\u01b0\u01a1ng Lai"},"content":{"rendered":"<div class=\"vgblk-rw-wrapper limit-wrapper\">Enter the looming threat of quantum computing. These powerful machines harness the power of quantum mechanics to solve problems more quickly than traditional computers. This includes cracking the key and encryption standards that safeguard our world of data.  <\/p>\n<p>&nbsp;<\/p>\n<p>This is where post-quantum cryptography (PQC) comes in, and why <a href=\"https:\/\/dibiz.vn\/commvault\/\">Commvault<\/a> has chosen to implement it to safeguard your data.    <\/p>\n<p>&nbsp;<\/p>\n<h2><strong>Why We Need PQC<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p>Many of the asymmetric and symmetric cryptography algorithms we use to protect data from prying eyes rely on mathematical problems factoring in large numbers<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>While these are difficult for classical computers to crack, quantum computers solve these mathematical problems significantly faster, making what was once thought impossible very much possible.<\/strong><\/li>\n<li>This could leave any sensitive information that is normally encrypted, such as credentials, emails, financial data, and medical records, exposed.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>You might think the threat of quantum computing is five to ten years away, but anyone who recently attended the keynote at Ignite\/Reinvent\/Next would know that quantum computing resources are already available and the technology is rapidly advancing. And now it\u2019s available to anyone, including malicious actors. The question is, how do you shield your organization? <\/p>\n<p>&nbsp;<\/p>\n<p>.    <\/p>\n<p>&nbsp;<\/p>\n<h2><strong>A Multi-Faceted Approach: Bigger Keys, Better Locks, and PQC<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p>Although full-fledged PQC algorithms are still on the way to being standardized, there are steps we can take now to bolster our defenses. One approach is to increase cryptography key lengths on symmetric algorithms, so it takes a longer time to crack encryption with brute-force attacks. This is very similar in principle to increasing the number of pins in a tumbler lock. The more pins the lock utilizes, the more difficult and time consuming it is to crack. The larger and more complex the key is, the harder and longer it takes to replicate or guess.     <\/p>\n<p>&nbsp;<\/p>\n<h2><strong>Secure Post-Quantum Data Encryption<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p>AES encryption has long been the industry standard algorithm for secure symmetric encryption, and in the near term it will continue to be relatively sufficient in securing against quantum brute-force attacks, as long as high key sizes are utilized. Commvault already has standardized data encryption on AES-256, which is the highest supported key length for AES. <\/p>\n<p>&nbsp;<\/p>\n<p>To put things into perspective, we can look at <a href=\"https:\/\/www.geeksforgeeks.org\/dsa\/introduction-to-grovers-algorithm\/\">Grover\u2019s algorithm<\/a> to demonstrate the potential threat of brute-force attacks. Grover\u2019s algorithm is a commonly known algorithm used to solve complicated mathematical problems. It also can be used to speed up password brute-force attacks, especially when executed on quantum computers.  <\/p>\n<p>&nbsp;<\/p>\n<p>With Grover\u2019s algorithm, the time to crack AES-256 encryption still would be impractical due to the key size (it effectively halves the key size) and because the current generation of quantum computers is not quite powerful enough. So, AES-256 is still a viable encryption algorithm in the foreseeable future. <\/p>\n<p>&nbsp;<\/p>\n<h2><strong>Secure Post-Quantum Communication<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p>When it comes to the asymmetric encryption algorithms (public-key cryptography) that are used for secure communication and digital signatures, things look bleak. This is one of the cryptographic areas at highest risk of impact by quantum computing since RSA (Rivest-Shamir-Adleman) and ECC (Elliptic Curve Cryptography) algorithms are severely weakened by quantum computers.  <\/p>\n<p>&nbsp;<\/p>\n<p>Following public calls to action to develop PQC standards, the National Institute of Standards and Technology (NIST) coordinated the solicitation, evaluation, and selection of candidate algorithms for PQC starting in 2016. As of December 2023, the final post-quantum algorithms have been selected, and NIST has begun drafting the <a href=\"https:\/\/csrc.nist.gov\/Projects\/post-quantum-cryptography\/publications\">standard guidance and publications <\/a>around them. <\/p>\n<p>&nbsp;<\/p>\n<p>Commvault has taken the first steps in incorporating some of the upcoming PQC standards to improve secure communication. Two key components needed to be updated to provide quantum protection: <\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>Key exchange and encapsulation: Establishes a symmetric encryption key during TLS setup.<\/li>\n<li>Signature generation and verification: Creates a chain of certificates and authenticates parties involved in the TLS setup, preventing man-in-the-middle attacks.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>The traditional key exchange algorithm, ECDH (Elliptic-curve Diffie-Hellman), is susceptible to attacks with the advent of quantum computers. CRYSTALS-Kyber, a NIST-approved post-quantum algorithm, serves as a replacement for ECDH. <\/p>\n<p>&nbsp;<\/p>\n<p>However, a secure TLS connection requires more than just key exchange. Both ECDH and Kyber are vulnerable to man-in-the-middle attacks. This necessitates the use of a certificate chain and signed\/verified messages during TLS setup. Conventional cryptography relies on RSA with large private\/public key sizes (2048, 3072, etc.) for this purpose. NIST has recommended post-quantum alternatives for RSA, which includes:    <\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>CRYSTALS-Dilithium3<\/li>\n<li>Falcon<\/li>\n<li>Sphincs+<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><strong>Today\u2019s Best Combo<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p>Customers immediately can begin securing their environment against quantum-based attacks starting in the most recent software release, Commvault Cloud CPR 2024, which leverages <strong>CRYSTALS-Kyber<\/strong> for key encapsulation, and CRYSTALS-Dilithium3 or FALCON for digital signature schemes, to provide secure communication within the Commvault\u00ae Cloud platform. <\/p>\n<p>&nbsp;<\/p>\n<p>Once enabled, data communication within Commvault will be resistant to quantum attacks, while your data is encrypted at its source with AES-256 algorithm, keeping your data safe from modern and future quantum threats. Given that the quantum space is under rapid development, along with additional scrutiny of these algorithms, Commvault Cloud has implemented a flexible framework that allows selection of other algorithms and key lengths, for both key exchange\/encapsulation and signature generation\/verification, providing a futureproof way to remain vigilant in this ever-changing space. <\/p>\n<p>&nbsp;<\/p>\n<h2><strong>The Road Ahead<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p>As with all security measures, PQC is yet another layer to implement on top of other security controls to keep you cyber resilient. We recommend using Security IQ to gain insights into your own security posture and implement controls to keep your data safe from quantum and other attack vectors. <\/p>\n<p>&nbsp;<\/p>\n<p>Similar to how trust is a continuous process, Commvault\u2019s continual investment in cyber resilience and quantum protection will keep your data safe against ever-evolving threats. You can learn more about Security IQ here.  <\/p>\n<p>&nbsp;<\/p>\n<p><em>L\u01b0u \u00fd: \u0110\u1ec3 duy tr\u00ec hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt, h\u00e3y xem x\u00e9t v\u00e0 c\u1eadp nh\u1eadt th\u00f4ng tin \u0111\u1ecbnh k\u1ef3 (v\u00ed d\u1ee5: 6 th\u00e1ng\/1 n\u0103m) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00ednh x\u00e1c, \u0111\u1ea7y \u0111\u1ee7 v\u00e0 ph\u00f9 h\u1ee3p theo th\u1eddi gian, \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c ch\u1ee7 \u0111\u1ec1 thay \u0111\u1ed5i nhanh ho\u1eb7c n\u1ed9i dung &#8220;evergreen&#8221;.<\/em><\/p>\n<p>&nbsp;<\/p>\n<h2><strong>C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p (FAQs) v\u1ec1 M\u1eadt M\u00e3 H\u1eadu L\u01b0\u1ee3ng T\u1eed<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<h3><strong>1. M\u1eadt m\u00e3 h\u1eadu l\u01b0\u1ee3ng t\u1eed (PQC) l\u00e0 g\u00ec?<\/strong><\/h3>\n<p><strong>M\u1eadt m\u00e3 h\u1eadu l\u01b0\u1ee3ng t\u1eed<\/strong> l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u trong m\u1eadt m\u00e3 h\u1ecdc t\u1eadp trung v\u00e0o vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c thu\u1eadt to\u00e1n c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng t\u1eeb m\u00e1y t\u00ednh l\u01b0\u1ee3ng t\u1eed hi\u1ec7n t\u1ea1i v\u00e0 t\u01b0\u01a1ng lai. M\u1ee5c ti\u00eau l\u00e0 \u0111\u1ea3m b\u1ea3o m\u00e3 h\u00f3a an to\u00e0n trong k\u1ef7 nguy\u00ean l\u01b0\u1ee3ng t\u1eed. <\/p>\n<p>&nbsp;<\/p>\n<h3><strong>2. T\u1ea1i sao m\u00e1y t\u00ednh l\u01b0\u1ee3ng t\u1eed l\u1ea1i l\u00e0 m\u1ed1i \u0111e d\u1ecda \u0111\u1ed1i v\u1edbi m\u1eadt m\u00e3 hi\u1ec7n t\u1ea1i?<\/strong><\/h3>\n<p><strong>M\u00e1y t\u00ednh l\u01b0\u1ee3ng t\u1eed<\/strong> c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1 v\u1ee1 c\u00e1c thu\u1eadt to\u00e1n m\u1eadt m\u00e3 kh\u00f3a c\u00f4ng khai ph\u1ed5 bi\u1ebfn nh\u01b0 RSA v\u00e0 ECC, v\u1ed1n l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a <strong>m\u00e3 h\u00f3a an to\u00e0n<\/strong> tr\u00ean Internet hi\u1ec7n nay. Ch\u00fang c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c b\u00e0i to\u00e1n to\u00e1n h\u1ecdc ph\u1ee9c t\u1ea1p m\u00e0 m\u1eadt m\u00e3 hi\u1ec7n t\u1ea1i d\u1ef1a v\u00e0o m\u1ed9t c\u00e1ch nhanh ch\u00f3ng h\u01a1n nhi\u1ec1u. <\/p>\n<p>&nbsp;<\/p>\n<h3><strong>3. C\u00e1c ti\u00eau chu\u1ea9n PQC \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h3>\n<p>C\u00e1c <strong>Ti\u00eau chu\u1ea9n PQC<\/strong> \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n th\u00f4ng qua c\u00e1c quy tr\u00ecnh to\u00e0n c\u1ea7u, n\u1ed5i b\u1eadt l\u00e0 ch\u01b0\u01a1ng tr\u00ecnh c\u1ee7a NIST (Vi\u1ec7n Ti\u00eau chu\u1ea9n v\u00e0 C\u00f4ng ngh\u1ec7 Qu\u1ed1c gia Hoa K\u1ef3). NIST \u0111\u00e3 t\u1ed5 ch\u1ee9c c\u00e1c cu\u1ed9c thi \u0111\u1ec3 l\u1ef1a ch\u1ecdn c\u00e1c thu\u1eadt to\u00e1n h\u1eadu l\u01b0\u1ee3ng t\u1eed m\u1ea1nh m\u1ebd nh\u1ea5t, sau \u0111\u00f3 s\u1ebd ban h\u00e0nh c\u00e1c h\u01b0\u1edbng d\u1eabn ti\u00eau chu\u1ea9n cho vi\u1ec7c tri\u1ec3n khai ch\u00fang nh\u1eb1m \u0111\u1ea3m b\u1ea3o <strong>b\u1ea3o m\u1eadt d\u1eef li\u1ec7u l\u01b0\u1ee3ng t\u1eed<\/strong>. <\/p>\n<p>&nbsp;<\/p>\n<h3><strong>4. M\u00e3 h\u00f3a AES-256 c\u00f3 \u0111\u1ee7 m\u1ea1nh \u0111\u1ec3 ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u01b0\u1ee3ng t\u1eed kh\u00f4ng?<\/strong><\/h3>\n<p>M\u00e3 h\u00f3a <strong>M\u00e3 h\u00f3a AES-256<\/strong> \u0111\u01b0\u1ee3c coi l\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i an to\u00e0n tr\u01b0\u1edbc c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u00e9t c\u1ea1n l\u01b0\u1ee3ng t\u1eed trong t\u01b0\u01a1ng lai g\u1ea7n, ch\u1ee7 y\u1ebfu nh\u1edd v\u00e0o k\u00edch th\u01b0\u1edbc kh\u00f3a l\u1edbn. Tuy nhi\u00ean, n\u00f3 v\u1eabn c\u1ea7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c b\u1ea3o m\u1eadt to\u00e0n di\u1ec7n bao g\u1ed3m c\u1ea3 c\u00e1c gi\u1ea3i ph\u00e1p <strong>M\u1eadt m\u00e3 h\u1eadu l\u01b0\u1ee3ng t\u1eed<\/strong> cho c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c. <\/p>\n<p>&nbsp;<\/p>\n<h3><strong>5. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 doanh nghi\u1ec7p chu\u1ea9n b\u1ecb cho k\u1ef7 nguy\u00ean h\u1eadu l\u01b0\u1ee3ng t\u1eed?<\/strong><\/h3>\n<p>\u0110\u1ec3 <strong>b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u t\u01b0\u01a1ng lai<\/strong>, c\u00e1c doanh nghi\u1ec7p n\u00ean b\u1eaft \u0111\u1ea7u \u0111\u00e1nh gi\u00e1 c\u00e1c h\u1ec7 th\u1ed1ng m\u1eadt m\u00e3 hi\u1ec7n c\u00f3, theo d\u00f5i s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a Ti\u00eau chu\u1ea9n PQC v\u00e0 xem x\u00e9t c\u00e1c gi\u1ea3i ph\u00e1p k\u1ebft h\u1ee3p nh\u01b0 vi\u1ec7c Commvault \u0111\u00e3 tri\u1ec3n khai CRYSTALS-Kyber v\u00e0 Dilithium3. Vi\u1ec7c n\u00e0y l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i kh\u00f4ng gian m\u1ea1ng d\u00e0i h\u1ea1n. <\/p>\n<p>&nbsp;<\/p>\n<p>\u0110\u1eebng \u0111\u1ec3 d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng tr\u01b0\u1edbc c\u00e1c m\u1ed1i \u0111e d\u1ecda l\u01b0\u1ee3ng t\u1eed trong t\u01b0\u01a1ng lai. T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 c\u00e1c gi\u1ea3i ph\u00e1p <strong>M\u1eadt m\u00e3 h\u1eadu l\u01b0\u1ee3ng t\u1eed<\/strong> c\u1ee7a Commvault v\u00e0 c\u00e1ch ch\u00fang t\u00f4i gi\u00fap b\u1ea1n x\u00e2y d\u1ef1ng <strong>kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i kh\u00f4ng gian m\u1ea1ng<\/strong> v\u1eefng ch\u1eafc. <strong><br \/>\n  <a href=\"https:\/\/dibiz.vn\/contact\/\">Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i ngay h\u00f4m nay \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n v\u00e0 b\u1ea3o v\u1ec7 t\u01b0\u01a1ng lai d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n<\/a><br \/>\n<\/strong>! <\/p>\n<p><!-- notionvc: 03f8a348-b0e3-47e0-aeaf-cc53fec9c645 --><\/div>\n<p><!-- .vgblk-rw-wrapper --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Enter the looming threat of quantum computing. These powerful machines harness the power of quantum mechanics to solve problems more quickly than traditional computers. This includes cracking the key and encryption standards that safeguard our world of data. &nbsp; This is where post-quantum cryptography (PQC) comes in, and why Commvault has chosen to implement it&#8230;<\/p>\n","protected":false},"author":4,"featured_media":996682,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[114],"tags":[],"topic":[],"class_list":["post-996684","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-commvault-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Future-Proofing Your Data: Post-Quantum Cryptography and Beyond B\u1ea3o M\u1eadt D\u1eef Li\u1ec7u L\u01b0\u1ee3ng T\u1eed: M\u1eadt M\u00e3 H\u1eadu L\u01b0\u1ee3ng T\u1eed &amp; T\u01b0\u01a1ng Lai - Deliver Intelligence - Dibiz JSC<\/title>\n<meta name=\"description\" content=\"Like all relationships, our relationship with our customers is built on trust. You trust us with handling and securing the life blood of your company \u2013 your data. Behind the scenes, this trust relies heavily on cryptography, the art of scrambling information to keep it safe from malicious actors. 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