{"id":22116,"date":"2025-10-06T12:43:03","date_gmt":"2025-10-06T12:43:03","guid":{"rendered":"https:\/\/itbusinesstoday.com\/?p=22116"},"modified":"2025-10-06T12:43:03","modified_gmt":"2025-10-06T12:43:03","slug":"japans-national-cyber-defense-push-preparing-for-quantum-driven-threats","status":"publish","type":"post","link":"https:\/\/itbusinesstoday.com\/ja\/tech\/cybersecurity\/japans-national-cyber-defense-push-preparing-for-quantum-driven-threats\/","title":{"rendered":"\u65e5\u672c\u306e\u30b5\u30a4\u30d0\u30fc\u9632\u885b\u306e\u63a8\u9032\uff1a\u91cf\u5b50\u4e3b\u5c0e\u306e\u8105\u5a01\u3078\u306e\u5099\u3048"},"content":{"rendered":"

Imagine a world where today’s encryption can be cracked in minutes. That world is coming, and Japan is on the front lines. Every government system, bank, and industrial network could be exposed if attackers harness quantum computers first. The stakes are enormous, and the clock is ticking.<\/p>

Quantum-driven threats are no longer theoretical. Methods like Shor’s algorithm could soon render current encryption useless, putting classified data, financial systems, and critical infrastructure at risk. Japan cannot wait for disaster to strike.<\/p>

\u3053\u306e\u56fd\u306f\u3001\u30af\u30ea\u30d7\u30c8\u30fb\u30a2\u30b8\u30ea\u30c6\u30a3\u3092\u9054\u6210\u3059\u308b\u305f\u3081\u306e\u5354\u8abf\u7684\u306a\u53d6\u308a\u7d44\u307f\u3092\u958b\u59cb\u3057\u3001\u3053\u306e\u65b0\u305f\u306a\u8ab2\u984c\u306b\u76f4\u9762\u3059\u308b\u305f\u3081\u306e\u30b7\u30b9\u30c6\u30e0\u3001\u653f\u7b56\u3001\u4eba\u6750\u3092\u6e96\u5099\u3057\u3066\u3044\u307e\u3059\u3002<\/p>

\u3053\u3061\u3089\u3082\u304a\u8aad\u307f\u304f\u3060\u3055\u3044\uff1a \u30c7\u30fc\u30bf\u30ec\u30a4\u30af\u304b\u3089AI\u30cf\u30d6\u3078\uff1a\u4f01\u696d\u306e\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u5c64\u306e\u69cb\u7bc9<\/a><\/h4>

This article examines the looming quantum-driven threats, Japan’s government-led strategy, the technologies being tested, and the operational challenges of making theory work in practice. The question is clear: can Japan secure its digital future before attackers do?<\/p>

The Urgent Threat Facing Japan’s Critical Data<\/h2>

Japan’s sensitive data is sitting on a ticking clock. The encryption that keeps it safe today, like RSA and ECC, will not survive once quantum-driven threats arrive. This is not theory. Classified government documents, corporate secrets, and financial records are all sitting targets for attacks that could be harvested now and decrypted later. Energy grids, banking systems, and government communications face serious exposure. If attackers succeed, the consequences will not be just technical. They could also erode public trust and weaken national stability.<\/p>

\u65e5\u672c\u306f\u8fc5\u901f\u306b\u884c\u52d5\u3057\u3066\u3044\u307e\u3059\u30022025\u5e743\u670818\u65e5\u3001 NISC<\/a> \u306f\u3001\u6771\u4eac\u3067\u30a4\u30f3\u30bf\u30fc\u30ca\u30b7\u30e7\u30ca\u30eb\u30fb\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30c1\u30e3\u30ec\u30f3\u30b8\u3092\u958b\u50ac\u3057\u307e\u3057\u305f\u3002\u82e5\u3044\u30b5\u30a4\u30d0\u30fc\u5c02\u9580\u5bb6\u304c\u4e00\u5802\u306b\u4f1a\u3057\u3001\u81ea\u5206\u305f\u3061\u306e\u30b9\u30ad\u30eb\u3092\u8a66\u3057\u3001\u306a\u305c\u5b9f\u5730\u4f53\u9a13\u304c\u91cd\u8981\u306a\u306e\u304b\u3092\u5b66\u3073\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u5358\u306a\u308b\u7af6\u6280\u4f1a\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6700\u524d\u7dda\u306b\u8a13\u7df4\u3092\u53d7\u3051\u305f\u4eba\u6750\u3092\u914d\u7f6e\u3059\u308b\u3053\u3068\u306f\u3001\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3068\u540c\u69d8\u306b\u91cd\u8981\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u305f\u306e\u3067\u3059\u3002\u540c\u6642\u306bNISC\u306f\u3001\u653f\u5e9c\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u4fdd\u8b77\u3092\u66f4\u65b0\u3057\u3001\u6d77\u5916\u306e\u30d1\u30fc\u30c8\u30ca\u30fc\u3068\u5354\u529b\u3057\u3001\u6b21\u306e\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u306e\u6ce2\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u30c4\u30fc\u30eb\u3092\u5c0e\u5165\u3057\u3066\u3044\u307e\u3059\u3002\u7126\u70b9\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002\u4eca\u3059\u3050\u6e96\u5099\u3092\u6574\u3048\u3001\u30c7\u30fc\u30bf\u3092\u5b89\u5168\u306b\u4fdd\u3061\u3001\u65b0\u305f\u306a\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u3088\u3046\u3068\u3059\u308b\u8ab0\u3088\u308a\u3082\u65e5\u672c\u304c\u5148\u3093\u3058\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>

\u76ee\u7684\u306f\u5358\u7d14\u3067\u3059\u304c\u3001\u7dca\u6025\u3067\u3059\u3002\u65e5\u672c\u306f\u4eca\u65e5\u3001\u6700\u3082\u6a5f\u5bc6\u6027\u306e\u9ad8\u3044\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3057\u3001\u91cf\u5b50\u529b\u5b66\u306b\u5bfe\u5fdc\u3057\u305f\u4fdd\u8b77\u3092\u5c0e\u5165\u3057\u3001\u6b21\u306e\u3088\u3046\u306a\u4e8b\u614b\u306b\u5099\u3048\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002 \u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/a> \u8a66\u5408\u3092\u5909\u3048\u308c\u3070\u3001\u56fd\u306e\u6e96\u5099\u306f\u3067\u304d\u3066\u3044\u307e\u3059\u3002\u5f85\u3064\u3068\u3044\u3046\u9078\u629e\u80a2\u306f\u3042\u308a\u307e\u305b\u3093<\/p>

\u67f11.\u653f\u5e9c\u306e\u4f7f\u547d\u3068\u6226\u7565\u7684\u6295\u8cc7<\/h2>

Japan is not waiting for quantum-driven threats to arrive. The government is moving deliberately, but also with urgency. At the center of this push is NISC. They set security standards, check that agencies actually follow them, and make sure rules don’t stay on paper. NISC is coordinating the entire effort, which means tracking progress, spotting gaps, and pushing government systems toward real protection rather than empty promises.<\/p>

\u7d4c\u6e08\u7523\u696d\u7701\u306fNISC\u3068\u4e26\u3093\u3067\u3044\u307e\u3059\u304c\u3001\u305d\u306e\u7126\u70b9\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u7d4c\u6e08\u7523\u696d\u7701\u306f\u3001\u6c11\u9593\u4f01\u696d\u3001\u65b0\u8208\u4f01\u696d\u3001\u7814\u7a76\u6240\u304c\u3059\u3079\u3066\u65b9\u7a0b\u5f0f\u306e\u4e00\u90e8\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u7523\u696d\u754c\u306e\u95a2\u4e0e\u3092\u63a8\u9032\u3057\u3066\u3044\u307e\u3059\u30022025\u5e743\u6708 METI<\/a> released a policy package aimed squarely at strengthening Japan’s cybersecurity industry. It’s about funding, partnerships, and creating practical solutions that can actually defend against emerging quantum-driven threats. In September 2025, METI and NISC joined forces to establish a shared vision for the Software Bill of Materials. The goal is clear: understand every piece of software running in critical systems and make sure potential vulnerabilities are handled before they become serious problems.<\/p>

NICT\u306f\u6280\u8853\u9762\u3092\u62c5\u5f53\u3057\u307e\u3059\u3002NICT\u306f\u30e9\u30dc\u3067\u3042\u308a\u3001\u30c6\u30b9\u30c8\u30d9\u30c3\u30c9\u3067\u3042\u308a\u3001\u30a4\u30ce\u30d9\u30fc\u30b7\u30e7\u30f3\u30fb\u30a8\u30f3\u30b8\u30f3\u306a\u306e\u3067\u3059\u3002\u91cf\u5b50\u9375\u914d\u5e03\u3001\u30dd\u30b9\u30c8\u91cf\u5b50\u6697\u53f7\u3001\u3053\u308c\u3089\u306fNICT\u306b\u3068\u3063\u3066\u5358\u306a\u308b\u6d41\u884c\u8a9e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002NICT\u306f\u3001\u91cf\u5b50\u7684\u306a\u8105\u5a01\u306b\u8010\u3048\u3089\u308c\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u3092\u5b9f\u9a13\u3001\u30c6\u30b9\u30c8\u3001\u69cb\u7bc9\u3057\u3066\u3044\u307e\u3059\u3002<\/p>

All of this is guided by the Quantum Technology Innovation Strategy Roadmap. Think of it as a GPS for Japan’s national \u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/a> \u52aa\u529b\u3002\u3069\u3053\u306b\u7126\u70b9\u3092\u5f53\u3066\u3001\u4f55\u3092\u512a\u5148\u3057\u3001\u3069\u306e\u3088\u3046\u306b\u8abf\u6574\u3059\u3079\u304d\u304b\u3092\u6a5f\u95a2\u3084\u4f01\u696d\u306b\u6307\u793a\u3057\u307e\u3059\u3002<\/p>

Put it together, and you have a government that isn’t just talking about defending itself. They are investing, coordinating, testing, and making sure industry and academia are all locked in. The playbook is set, the money is moving, and the work has started. Waiting is not an option.<\/p>

\u67f12.\u30c7\u30e5\u30a2\u30eb\u30c8\u30e9\u30c3\u30af\u6280\u8853\u30ea\u30fc\u30c0\u30fc\u30b7\u30c3\u30d7\uff08PQC & QKD\uff09<\/h2>

\u65e5\u672c\u306f\u91cf\u5b50\u306b\u3088\u308b\u8105\u5a01\u306b\u5099\u3048\u308b\u305f\u3081\u30012\u3064\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u53d6\u3063\u3066\u3044\u307e\u3059\u3002\u3072\u3068\u3064\u306f\u30dd\u30b9\u30c8\u91cf\u5b50\u6697\u53f7\u3002\u3053\u308c\u306f\u3001\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u304b\u3089\u306e\u653b\u6483\u306b\u5bfe\u6297\u3067\u304d\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30d9\u30fc\u30b9\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u95a2\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u65e5\u672c\u306f\u7c73\u56fd\u306eNIST\u306e\u6a19\u6e96\u5316\u30d7\u30ed\u30bb\u30b9\u306b\u5023\u3044\u3001CRYSTALS-Kyber\u3084Dilithium\u306e\u3088\u3046\u306a\u683c\u5b50\u30d9\u30fc\u30b9\u3084\u30cf\u30c3\u30b7\u30e5\u30d9\u30fc\u30b9\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3044\u307e\u3059\u3002\u8ab2\u984c\u306f\u3001\u3053\u308c\u3089\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u958b\u767a\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u3059\u3079\u3066\u306e\u653f\u5e9c\u30b7\u30b9\u30c6\u30e0\u3067\u6a19\u6e96\u5316\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u4e00\u8cab\u3057\u305f\u5b9f\u88c5\u304c\u306a\u3051\u308c\u3070\u3001\u305f\u3063\u305f\u4e00\u3064\u306e\u5f31\u3044\u30ea\u30f3\u30af\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u3092\u5371\u967a\u306b\u3055\u3089\u3059\u3053\u3068\u306b\u306a\u308a\u304b\u306d\u307e\u305b\u3093\u3002<\/p>

\u4e00\u65b9\u3001\u65e5\u672c\u306f\u91cf\u5b50\u9375\u5206\u6563\uff08QKD\uff09\u306b\u591a\u984d\u306e\u6295\u8cc7\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5149\u5b50\u3092\u5229\u7528\u3057\u3066\u8fd1\u8ddd\u96e2\u901a\u4fe1\u7528\u306e\u8d85\u5b89\u5168\u306a\u9375\u3092\u4f5c\u6210\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u91d1\u878d\u8857\u3084\u5b89\u5168\u306a\u5e81\u820e\u9593\u3067\u7279\u306b\u6709\u52b9\u3067\u3001\u5c0f\u3055\u306a\u9055\u53cd\u3067\u3082\u58ca\u6ec5\u7684\u306a\u6253\u6483\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>

NEC, in partnership with NICT and Toshiba, has been leading real-world demonstrations. On September 16, 2025, they unveiled the world’s first integrated system for QKD<\/a> and high-speed data transmission in a large-capacity optical network. Earlier, in April 2025, NEC achieved Japan’s longest terrestrial wireless optical communication using quantum cryptography, showing that secure transmission for critical infrastructure is possible at scale.<\/p>

PQC\u3068QKD\u306f\u5171\u306b\u30c7\u30e5\u30a2\u30eb\u30c8\u30e9\u30c3\u30af\u6226\u7565\u3092\u5f62\u6210\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u65b9\u306e\u30c8\u30e9\u30c3\u30af\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4fdd\u8b77\u3057\u3001\u3082\u3046\u4e00\u65b9\u306e\u30c8\u30e9\u30c3\u30af\u306f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u901a\u4fe1\u3092\u5b89\u5168\u306b\u4fdd\u3061\u307e\u3059\u3002\u65e5\u672c\u304c\u6e96\u5099\u3057\u3066\u3044\u308b\u306e\u306f\u7406\u8ad6\u4e0a\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u65e5\u672c\u306f\u3053\u308c\u3089\u306e\u6280\u8853\u3092\u7a4d\u6975\u7684\u306b\u30c6\u30b9\u30c8\u3057\u3001\u914d\u5099\u3059\u308b\u3053\u3068\u3067\u3001\u91cf\u5b50\u99c6\u52d5\u578b\u306e\u8105\u5a01\u306b\u3082\u8010\u3048\u3089\u308c\u308b\u3053\u3068\u3092\u5b9f\u74b0\u5883\u3067\u5b9f\u8a3c\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u76ee\u7684\u306f\u660e\u78ba\u3067\u3001\u653b\u6483\u8005\u304c\u3044\u304b\u306b\u5de7\u5999\u3067\u3042\u3063\u3066\u3082\u3001\u91cd\u8981\u306a\u30c7\u30fc\u30bf\u3068\u901a\u4fe1\u306f\u5b89\u5168\u3067\u3042\u308a\u7d9a\u3051\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>

\u6697\u53f7\u306e\u4fca\u654f\u6027\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u79fb\u884c\u3078\u306e\u6311\u6226<\/h2>

\u8a08\u753b\u3084\u653f\u7b56\u306f1\u3064\u306e\u3053\u3068\u3067\u3059\u3002\u5b9f\u969b\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u306e\u5207\u308a\u66ff\u3048\u306f\u307e\u305f\u5225\u306e\u8a71\u3067\u3059\u3002\u65e5\u672c\u306f\u4eca\u3001\u53e4\u5178\u7684\u306a\u6697\u53f7\u5316\u304b\u3089\u91cf\u5b50\u5bfe\u5fdc\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3078\u306e\u79fb\u884c\u3068\u3044\u3046\u5384\u4ecb\u306a\u73fe\u5b9f\u306b\u76f4\u9762\u3057\u3066\u3044\u307e\u3059\u3002\u6700\u521d\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u3001\u653b\u6483\u5bfe\u8c61\u9818\u57df\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3059\u3079\u3066\u306e\u653f\u5e9c\u6a5f\u95a2\u3001\u3059\u3079\u3066\u306e\u91cd\u8981\u30a4\u30f3\u30d5\u30e9\u30fb\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u5b8c\u5168\u306a\u6697\u53f7\u30a4\u30f3\u30d9\u30f3\u30c8\u30ea\u304c\u5fc5\u8981\u3067\u3059\u3002\u3053\u308c\u306f\u9aa8\u306e\u6298\u308c\u308b\u4f5c\u696d\u3067\u3059\u30021\u3064\u306e\u30b7\u30b9\u30c6\u30e0\u3084\u6642\u4ee3\u9045\u308c\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u898b\u9003\u3059\u3068\u3001\u8106\u5f31\u6027\u304c\u6b8b\u308a\u3001\u653b\u6483\u8005\u306b\u60aa\u7528\u306e\u8db3\u304c\u304b\u308a\u3092\u4e0e\u3048\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>

\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30fb\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u3002\u65e5\u672c\u3067\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u3092\u5165\u308c\u3066\u4e00\u6669\u3067RSA\u3092\u3084\u3081\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u305d\u306e\u4ee3\u308f\u308a\u306b\u3001\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u8a3c\u660e\u66f8\u3068\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u53e4\u5178\u7684\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u30dd\u30b9\u30c8\u91cf\u5b50\u6697\u53f7\u306e\u4e21\u65b9\u3092\u4e26\u884c\u3057\u3066\u5b9f\u884c\u3057\u307e\u3059\u3002\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u4e92\u63db\u6027\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u3086\u3063\u304f\u308a\u3068\u79fb\u884c\u3092\u9032\u3081\u3001\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3057\u306a\u304c\u3089\u30ec\u30b8\u30ea\u30a8\u30f3\u30b9\u3092\u69cb\u7bc9\u3057\u307e\u3059\u3002<\/p>

\u5b9f\u4f8b\u306f\u3059\u3067\u306b\u73fe\u308c\u3066\u3044\u307e\u3059\u30022025\u5e741\u6708\u306b NTT Communications<\/a> rolled out a system using multiple PQC algorithms for secure key exchange. The company plans to add Quantum Key Distribution in the future, which will strengthen defenses against quantum-driven threats. At the same time, NTT is bringing these technologies into its Innovative Optical and Wireless Network (IOWN) to ensure secure data transmission across Japan’s high-capacity networks.<\/p>

\u79fb\u884c\u306f\u6280\u8853\u7684\u306a\u8ab2\u984c\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u904b\u7528\u3001\u30ed\u30b8\u30b9\u30c6\u30a3\u30c3\u30af\u30b9\u3001\u6226\u7565\u7684\u306a\u8ab2\u984c\u3067\u3082\u3042\u308a\u307e\u3059\u3002\u65e5\u672c\u306f\u79fb\u52d5\u3057\u306a\u304c\u3089\u5b66\u3073\u3001\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u30c6\u30b9\u30c8\u3057\u3001\u6697\u53f7\u306e\u4fca\u654f\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u5c0e\u5165\u3057\u3066\u3044\u307e\u3059\u3002\u76ee\u6a19\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002\u91cf\u5b50\u7684\u306a\u8105\u5a01\u304c\u73fe\u5b9f\u306e\u3082\u306e\u3068\u306a\u308a\u3001\u907f\u3051\u3089\u308c\u306a\u304f\u306a\u308b\u672a\u6765\u306b\u5099\u3048\u3064\u3064\u3001\u73fe\u5728\u306e\u91cd\u8981\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u4fdd\u8b77\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>

\u4eba\u9593\u7684\u5074\u9762\u3068\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u5074\u9762<\/h2>

\"<\/p>

Technology<\/a> \u4e00\u4eba\u3067\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u91cf\u5b50\u79d1\u5b66\u3092\u5b9f\u969b\u306b\u7406\u89e3\u3057\u3001\u30dd\u30b9\u30c8\u91cf\u5b50\u6697\u53f7\u3092\u5b9f\u8df5\u3067\u304d\u308b\u4eba\u6750\u304c\u65e5\u672c\u306b\u306f\u5fc5\u8981\u306a\u306e\u3067\u3059\u3002<\/p>

Even the strongest systems can fail if the right people aren’t there. Japan is working with allies through the Quad, the G7, and U.S. cybersecurity talks.<\/p>

\u30a2\u30a4\u30c7\u30a2\u306f\u7c21\u5358\u3067\u3059\u3002\u30dd\u30b9\u30c8\u91cf\u5b50\u6697\u53f7\u5316\u306f\u3042\u3089\u3086\u308b\u5834\u6240\u3067\u6a5f\u80fd\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u30c7\u30fc\u30bf\u306f\u56fd\u5883\u306b\u95a2\u4fc2\u306a\u304f\u5b89\u5168\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u624d\u80fd\u3068\u56fd\u969b\u5354\u529b\u306f\u3001\u6280\u8853\u305d\u306e\u3082\u306e\u3068\u540c\u3058\u304f\u3089\u3044\u91cd\u8981\u3067\u3059\u3002<\/p>

ITU\u306e\u3088\u3046\u306a\u30b0\u30eb\u30fc\u30d7\u306f\u3001\u65e5\u672c\u304c\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u6574\u5408\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u3053\u308c\u3089\u306e\u52aa\u529b\u3092\u5c0e\u304f\u306e\u306b\u5f79\u7acb\u3063\u3066\u3044\u307e\u3059\u3002\u6210\u529f\u3059\u308b\u304b\u3069\u3046\u304b\u306f\u3001\u624d\u80fd\u3068\u5354\u529b\u306e\u4e21\u65b9\u306b\u304b\u304b\u3063\u3066\u3044\u307e\u3059\u3002<\/p>

\u5c06\u6765\u3092\u898b\u636e\u3048\u305f\u91cf\u5b50\u306e\u5b89\u5168\u306a\u672a\u6765<\/h2>

\"<\/p>

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Cybersecurity<\/a> \u306f\u5de5\u696d\u7684\u306a\u5f37\u3055\u3068\u5207\u308a\u96e2\u3059\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u30c7\u30fc\u30bf\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u4fdd\u8b77\u306f\u3001\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u30fb\u30ea\u30fc\u30c0\u30fc\u3067\u3042\u308b\u3053\u3068\u306e\u4e00\u90e8\u3067\u3059\u3002\u65e5\u672c\u306f\u30c7\u30b8\u30bf\u30eb\u306e\u672a\u6765\u3092\u5b89\u5168\u306a\u3082\u306e\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u4eca\u3001\u884c\u52d5\u3092\u8d77\u3053\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"

Imagine a world where today’s encryption can be cracked in minutes. That world is coming, and Japan is on the front lines. Every government system, bank, and industrial network could be exposed if attackers harness quantum computers first. The stakes are enormous, and the clock is ticking.Quantum-driven threats are no longer theoretical. Methods like Shor’s algorithm could soon render current encryption useless, putting classified data, financial systems, and critical infrastructure at risk. Japan cannot wait for disaster to strike.The country has launched a coordinated effort to achieve crypto-agility, preparing systems, policies, and talent to face this emerging challenge.Also Read: From Data Lakes to AI Hubs: Architecting the Intelligence Layer of […]<\/p>\n","protected":false},"author":5,"featured_media":22152,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"wprm-recipe-roundup-name":"","wprm-recipe-roundup-description":"","postBodyCss":"","postBodyMargin":[],"postBodyPadding":[],"postBodyBackground":{"backgroundType":"classic","gradient":""},"footnotes":""},"categories":[184,180,201,85],"tags":[8306,110,641,8304,8305],"ppma_author":[324],"class_list":["post-22116","post","type-post","status-publish","format-standard","has-post-thumbnail","category-cybersecurity","category-knowledge-hub","category-staff-writers","category-tech","tag-cyber-defense-push","tag-cybersecurity","tag-investment","tag-quantum-key-distribution","tag-quantum-threats"],"yoast_head":"\nJapan Prepares for Quantum Threats with Cyber Defense Push<\/title>\n<meta name=\"description\" content=\"Japan races to secure critical data from quantum-driven threats, building crypto-agile systems, policies, and talent to stay ahead globally.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/itbusinesstoday.com\/ja\/tech\/cybersecurity\/japans-national-cyber-defense-push-preparing-for-quantum-driven-threats\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Japan Prepares for Quantum Threats with Cyber Defense Push\" \/>\n<meta property=\"og:description\" content=\"Japan races to secure critical data from quantum-driven threats, building crypto-agile systems, policies, and talent to stay ahead globally.\" \/>\n<meta property=\"og:url\" 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