{"id":30229,"date":"2026-03-23T13:09:02","date_gmt":"2026-03-23T13:09:02","guid":{"rendered":"https:\/\/itbusinesstoday.com\/?p=30229"},"modified":"2026-03-23T13:09:02","modified_gmt":"2026-03-23T13:09:02","slug":"ai-driven-threat-hunting-the-future-of-proactive-cybersecurity-and-advanced-defense-strategies","status":"publish","type":"post","link":"https:\/\/itbusinesstoday.com\/ja\/tech\/cybersecurity\/ai-driven-threat-hunting-the-future-of-proactive-cybersecurity-and-advanced-defense-strategies\/","title":{"rendered":"AI\u4e3b\u5c0e\u306e\u8105\u5a01\u30cf\u30f3\u30c6\u30a3\u30f3\u30b0\uff1a\u30d7\u30ed\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u9ad8\u5ea6\u306a\u9632\u5fa1\u6226\u7565\u306e\u672a\u6765"},"content":{"rendered":"

Most cyberattacks today don’t crash systems or trigger alarms instantly. They get access, stay quiet, and move inside the system like they belong there. Nothing looks obviously wrong at first. Days pass, sometimes weeks. By the time someone notices, the attacker has already done what they came for.<\/p>

That gap is dwell time. And it’s not just a metric people throw around in reports. It’s where things actually go wrong.<\/p>

Now here’s the problem. Most traditional SIEM setups are still built around rules. You define what bad looks like, the system watches for it, and if something matches, you get an alert. Sounds fine in theory. In reality, it only works when the attack behaves the way you expect it to.<\/p>

But attackers don’t do that anymore. They avoid patterns. They use valid credentials. They move in ways that look normal on the surface.<\/p>

\u3053\u3061\u3089\u3082\u304a\u8aad\u307f\u304f\u3060\u3055\u3044\uff1a \u65e5\u672c\u306b\u304a\u3051\u308b\u904b\u7528\u6280\u8853\uff08OT\uff09\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff1a\u91cd\u8981\u30a4\u30f3\u30d5\u30e9\u3092\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u304b\u3089\u5b88\u308b\u305f\u3081\u306b<\/a><\/h4>

And this isn’t some edge case. 87%<\/a> \u4e16\u754c\u7d4c\u6e08\u30d5\u30a9\u30fc\u30e9\u30e0\u306b\u3088\u308b\u3068\u3001\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u30ea\u30fc\u30c0\u30fc\u306e\u3046\u3061\u3001AI\u306b\u3088\u308b\u8106\u5f31\u6027\u304c\u6700\u3082\u6025\u6210\u9577\u3057\u3066\u3044\u308b\u30ea\u30b9\u30af\u3067\u3042\u308b\u3068\u56de\u7b54\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>

So the issue is not just that attacks are increasing. It’s that they are harder to spot while they are happening.<\/p>

\u305d\u3053\u3067\u91cd\u8981\u306b\u306a\u308b\u306e\u304c\u3001AI\u3092\u6d3b\u7528\u3057\u305f\u8105\u5a01\u30cf\u30f3\u30c6\u30a3\u30f3\u30b0\u3067\u3059\u3002\u3082\u30461\u3064\u306e\u30c4\u30fc\u30eb\u3068\u3057\u3066\u3067\u306f\u306a\u304f\u3001\u554f\u984c\u306b\u30a2\u30d7\u30ed\u30fc\u30c1\u3059\u308b\u5225\u306e\u65b9\u6cd5\u3068\u3057\u3066\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u3053\u306e\u30b7\u30d5\u30c8\u304c\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u306e\u304b\u3001\u5b9f\u969b\u306b\u4f55\u304cAI\u3092\u52d5\u304b\u3059\u306e\u304b\u3001\u305d\u3057\u3066\u30c1\u30fc\u30e0\u304c\u7269\u4e8b\u3092\u8907\u96d1\u306b\u3057\u3059\u304e\u305a\u306bAI\u3092\u4f7f\u3044\u59cb\u3081\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u306e\u304b\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>

AI\u3092\u6d3b\u7528\u3057\u305f\u8105\u5a01\u30cf\u30f3\u30c6\u30a3\u30f3\u30b0\u3068\u306f<\/h2>

\"AI-Driven<\/p>

\u57fa\u672c\u7684\u306a\u30ec\u30d9\u30eb\u3067\u306f\u3001AI\u4e3b\u5c0e\u306e\u8105\u5a01\u30cf\u30f3\u30c6\u30a3\u30f3\u30b0\u3068\u306f\u3001\u30a2\u30e9\u30fc\u30c8\u3092\u5f85\u305f\u306a\u3044\u3053\u3068\u3067\u3059\u3002.<\/p>

That’s it. That’s the shift.<\/p>

\u4eca\u65e5\u306e\u307b\u3068\u3093\u3069\u306e\u30b7\u30b9\u30c6\u30e0\u306f\u53cd\u5fdc\u3059\u308b\u3088\u3046\u306b\u4f5c\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u4f55\u304b\u304c\u8d77\u3053\u308a\u3001\u30eb\u30fc\u30eb\u304c\u767a\u52d5\u3057\u3001\u30a2\u30e9\u30fc\u30c8\u304c\u8868\u793a\u3055\u308c\u3001\u305d\u3057\u3066\u8ab0\u304b\u304c\u305d\u308c\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002\u5168\u4f53\u306e\u6d41\u308c\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u3059\u3067\u306b\u4f55\u3092\u63a2\u3059\u3079\u304d\u304b\u3092\u77e5\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>

Threat hunting doesn’t start there. It starts earlier.<\/p>

You begin with a doubt. Something feels slightly off. Not enough to trigger anything, but enough to question it. Maybe a user is accessing files they don’t usually touch. Maybe there’s a login pattern that looks a bit unusual.<\/p>

\u3060\u304b\u3089\u3001\u305d\u308c\u3092\u6398\u308a\u4e0b\u3052\u3066\u3044\u304f\u308f\u3051\u3067\u3059\u3002.<\/p>

Now bring AI into this. It’s not replacing that thinking. It’s expanding it.<\/p>

AI goes through huge volumes of data continuously. Logs, access patterns, network behavior. It connects things that don’t look connected at first. And more importantly, it keeps comparing what’s happening right now with what usually happens.<\/p>

\u305d\u306e\u305f\u3081\u3001\u30eb\u30fc\u30eb\u304c\u9593\u9055\u3063\u3066\u3044\u308b\u3068\u8a00\u3046\u306e\u3092\u5f85\u3064\u4ee3\u308f\u308a\u306b\u3001\u6b21\u306e\u3088\u3046\u306b\u5c0b\u306d\u7d9a\u3051\u307e\u3059\u3002<\/p>

\u3053\u308c\u3067\u3082\u666e\u901a\u306b\u898b\u3048\u307e\u3059\u304b\uff1f<\/p>

That’s where the difference comes in.<\/p>

\u63a2\u77e5\u6a5f\u306e\u53cd\u5fdc\u72e9\u731f\u306b\u95a2\u3059\u308b\u8cea\u554f.<\/p>

\u307e\u305f\u3001\u5927\u898f\u6a21\u306a\u8abf\u67fb\u3092\u958b\u59cb\u3059\u308c\u3070\u3001\u96a0\u308c\u305f\u6d3b\u52d5\u306e\u591a\u304f\u304c\u3088\u308a\u65e9\u3044\u6bb5\u968e\u3067\u8868\u9762\u5316\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>

\u9ad8\u5ea6\u9632\u885b\u6226\u7565\u306e\u6838\u3068\u306a\u308b\u67f1<\/h2>

\"AI-Driven<\/p>

This whole thing doesn’t work on one idea alone. There are a few moving parts, and they depend on each other more than people realize.<\/p>

\u884c\u52d5\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3<\/p>

\u3059\u3079\u3066\u306f\u666e\u901a\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u6f20\u7136\u3068\u3057\u305f\u610f\u5473\u3067\u306f\u306a\u304f\u3001\u3068\u3066\u3082\u5177\u4f53\u7684\u306a\u65b9\u6cd5\u3067\u3002.<\/p>

\u8ab0\u304c\u3044\u3064\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u304b\u3002\u3069\u3053\u304b\u3089\u3002\u3069\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u304b\u7279\u5b9a\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u89e6\u308c\u308b\u983b\u5ea6\u3053\u308c\u3089\u3059\u3079\u3066\u306f\u3001\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u30d1\u30bf\u30fc\u30f3\u3092\u69cb\u7bc9\u3057\u307e\u3059\u3002.<\/p>

Machine learning models sit in the background and observe this. They don’t interfere. They just learn.<\/p>

Then one day something shifts. A login at an odd time. Access to something new. A device that hasn’t been seen before.<\/p>

Individually, none of these things look dangerous. But when you place them against what’s expected, they start standing out.<\/p>

That’s the point where systems begin to flag behavior, not because it’s blocked, but because it doesn’t quite fit.<\/p>

\u4e88\u6e2c\u5206\u6790<\/p>

\u305f\u3044\u3066\u3044\u306e\u30c1\u30fc\u30e0\u306f\u904e\u53bb\u3092\u632f\u308a\u8fd4\u308b\u3053\u3068\u306b\u62b5\u6297\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30ed\u30b0\u304c\u3042\u308a\u3001\u30a4\u30d9\u30f3\u30c8\u3092\u30c8\u30ec\u30fc\u30b9\u3057\u3001\u4f55\u304c\u8d77\u3053\u3063\u305f\u304b\u3092\u7a81\u304d\u6b62\u3081\u307e\u3059\u3002.<\/p>

Looking forward is harder. There’s uncertainty there.<\/p>

But that’s exactly where things are heading.<\/p>

2026\u5e74\u306f\u3001AI\u3092\u6d3b\u7528\u3057\u305f\u653b\u6483\u5074\u5bfeAI\u3092\u6d3b\u7528\u3057\u305f\u5b88\u5099\u5074\u3078\u306e\u30b7\u30d5\u30c8\u306e\u6642\u671f\u3002 Google Cloud<\/a>.<\/p>

\u305d\u308c\u3067\u30da\u30fc\u30b9\u304c\u30ac\u30e9\u30c3\u3068\u5909\u308f\u308b\u3093\u3067\u3059\u3002.<\/p>

\u653b\u6483\u8005\u306f\u3082\u3046\u4e00\u6b69\u4e00\u6b69\u9032\u3093\u3067\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5f7c\u3089\u306f\u30d7\u30ed\u30bb\u30b9\u306e\u4e00\u90e8\u3092\u81ea\u52d5\u5316\u3057\u307e\u3059\u3002\u5f7c\u3089\u306f\u30c6\u30b9\u30c8\u3057\u3001\u8abf\u6574\u3057\u3001\u305d\u3057\u3066\u7d9a\u3051\u307e\u3059\u3002.<\/p>

So waiting for something to fully happen before reacting doesn’t hold up.<\/p>

AI models look at patterns across past incidents and try to map where an attacker might move next. It’s not perfect. It doesn’t need to be. Even a rough direction helps teams act earlier.<\/p>

\u305d\u3057\u3066\u3001\u65e9\u3081\u306b\u884c\u52d5\u3059\u308b\u3053\u3068\u304c\u88ab\u5bb3\u3092\u6e1b\u3089\u3059\u3053\u3068\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002.<\/p>

\u81ea\u52d5\u30c8\u30ea\u30a2\u30fc\u30b8<\/p>

\u305d\u3057\u3066\u3001\u307b\u3068\u3093\u3069\u306e\u30c1\u30fc\u30e0\u304c\u65e5\u3005\u611f\u3058\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30a2\u30e9\u30fc\u30c8\u306e\u591a\u3055\u3002.<\/p>

\u3042\u308b\u6642\u70b9\u3067\u3001\u305d\u308c\u306f\u691c\u77e5\u3059\u308b\u3053\u3068\u3067\u306f\u306a\u304f\u306a\u308a\u3001\u30ce\u30a4\u30ba\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u59cb\u3081\u307e\u3059\u3002\u30a2\u30ca\u30ea\u30b9\u30c8\u306f\u3001\u4f55\u3092\u8abf\u67fb\u3059\u3079\u304d\u304b\u3088\u308a\u3082\u3001\u4f55\u3092\u7121\u8996\u3059\u3079\u304d\u304b\u3092\u8003\u3048\u308b\u3053\u3068\u306b\u591a\u304f\u306e\u6642\u9593\u3092\u8cbb\u3084\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>

That’s where automation starts to matter.<\/p>

There’s a shift toward environments where AI agents assist analysts in real time. Often referred to as Agentic SOC, this approach is highlighted by Google Cloud.<\/p>

\u3053\u308c\u3089\u306e\u30b7\u30b9\u30c6\u30e0\u304c\u884c\u3046\u3053\u3068\u306f\u8907\u96d1\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30a2\u30e9\u30fc\u30c8\u3092\u53d7\u4fe1\u3057\u3001\u95a2\u9023\u3059\u308b\u4fe1\u53f7\u3092\u63a5\u7d9a\u3057\u3001\u3042\u308b\u7a0b\u5ea6\u306e\u512a\u5148\u9806\u4f4d\u3092\u5272\u308a\u5f53\u3066\u307e\u3059\u3002.<\/p>

\u3067\u3059\u304b\u3089\u3001\u30a2\u30ca\u30ea\u30b9\u30c8\u306f\u3059\u3079\u3066\u3092\u898b\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u307e\u305a\u6ce8\u610f\u304c\u5fc5\u8981\u306a\u3082\u306e\u3092\u898b\u308b\u306e\u3067\u3059\u3002.<\/p>

It doesn’t remove the human from the process. It just clears the clutter around them.<\/p>

\u4eba\u9593\u4e2d\u5fc3\u306eAI\u3068\u73fe\u4ee3\u306e\u8105\u5a01\u30cf\u30f3\u30bf\u30fc\u306e\u5f79\u5272<\/h2>

There’s always this question floating around. Will AI replace security analysts?<\/p>

\u7c21\u5358\u306b\u8a00\u3046\u3068\u3001\u30ce\u30fc\u3067\u3059\u3002.<\/p>

\u9577\u3044\u7b54\u3048\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u79c1\u305f\u3061\u304c\u307e\u3060\u3069\u308c\u3060\u3051\u5f7c\u3089\u3092\u5fc5\u8981\u3068\u3057\u3066\u3044\u308b\u304b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002.<\/p>

53%<\/a> PwC\u306b\u3088\u308b\u3068\u3001\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u80fd\u529b\u306e\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u308b\u305f\u3081\u306bAI\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u7d44\u7e54\u306e\u5272\u5408\u304c\u9ad8\u3044\u3068\u306e\u3053\u3068\u3067\u3059\u3002.<\/p>

That number says something important. Companies are not trying to reduce headcount. They’re trying to keep up.<\/p>

\u4eca\u65e5\u306e\u8105\u5a01\u30cf\u30f3\u30bf\u30fc\u306f\u30a2\u30e9\u30fc\u30c8\u3092\u898b\u308b\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5f7c\u3089\u306f\u884c\u52d5\u3092\u89e3\u91c8\u3057\u307e\u3059\u3002\u6587\u8108\u3092\u7406\u89e3\u3057\u7279\u5b9a\u306e\u74b0\u5883\u306b\u304a\u3044\u3066\u3001\u6b63\u5e38\u3068\u306f\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u304b\u3092\u7406\u89e3\u3059\u308b\u306e\u3067\u3059\u3002.<\/p>

AI helps by bringing forward patterns and anomalies. But it doesn’t fully understand why something is happening.<\/p>

\u7c21\u5358\u306a\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u65b0\u3057\u3044\u5834\u6240\u304b\u3089\u306e\u30ed\u30b0\u30a4\u30f3\u3002AI\u304c\u30d5\u30e9\u30b0\u3092\u7acb\u3066\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u305d\u308c\u306f\u8105\u5a01\u306a\u306e\u304b\u3001\u305d\u308c\u3068\u3082\u5358\u306a\u308b\u65c5\u884c\u3084\u30ea\u30e2\u30fc\u30c8\u30ef\u30fc\u30af\u306e\u4eba\u306a\u306e\u304b\uff1f\u305d\u306e\u5224\u65ad\u306f\u307e\u3060\u4eba\u9593\u306e\u5224\u65ad\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>

So the relationship is not competitive. It’s layered.<\/p>

AI\u304c\u6271\u3046\u306e\u306f\u91cf\u3068\u30d1\u30bf\u30fc\u30f3\u8a8d\u8b58\u3002\u4eba\u9593\u306f\u610f\u5473\u3092\u6271\u3044\u307e\u3059\u3002.<\/p>

\u7247\u65b9\u3092\u5916\u3059\u3068\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u82e6\u3057\u304f\u306a\u308a\u307e\u3059\u3002\u4e21\u65b9\u3092\u7dad\u6301\u3059\u308c\u3070\u3001\u7269\u4e8b\u306f\u672c\u6765\u3042\u308b\u3079\u304d\u5f62\u3067\u6a5f\u80fd\u3057\u59cb\u3081\u307e\u3059\u3002.<\/p>

\u6226\u7565\u7684\u5b9f\u65bd 4\u30b9\u30c6\u30c3\u30d7\u306e\u30ed\u30fc\u30c9\u30de\u30c3\u30d7<\/h2>

\u3053\u3053\u304c\u30a2\u30a4\u30c7\u30a2\u3068\u73fe\u5b9f\u304c\u51fa\u4f1a\u3046\u5834\u6240\u3067\u3059\u3002.<\/p>

A lot of organizations get interested in AI driven threat hunting. Then they try to implement it, and things don’t go as planned.<\/p>

\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001\u57fa\u672c\u304c\u6574\u3063\u3066\u3044\u306a\u3044\u304b\u3089\u3067\u3059\u3002.<\/p>

\u30b9\u30c6\u30c3\u30d71.\u30c7\u30fc\u30bf\u306e\u4e00\u5143\u5316<\/strong><\/p>

\u3059\u3079\u3066\u306f\u30c7\u30fc\u30bf\u304c\u4e00\u7b87\u6240\u3067\u5229\u7528\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u306b\u304b\u304b\u3063\u3066\u3044\u307e\u3059\u3002.<\/p>

\u30ed\u30b0\u306f\u3055\u307e\u3056\u307e\u306a\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u5f97\u3089\u308c\u307e\u3059\u3002\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3001\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3002\u305d\u308c\u3089\u304c\u6563\u5728\u3057\u305f\u307e\u307e\u3067\u306f\u3001\u5206\u6790\u306f\u4e0d\u5b8c\u5168\u306a\u307e\u307e\u3067\u3059\u3002.<\/p>

So the first step is not AI. It’s getting data in order.<\/p>

\u30c7\u30fc\u30bf\u304c\u4e00\u5143\u5316\u3055\u308c\u3001\u69cb\u9020\u5316\u3055\u308c\u308c\u3070\u3001\u4ed6\u306e\u3059\u3079\u3066\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>

\u30b9\u30c6\u30c3\u30d72.\u4eee\u8aac\u306e\u4f5c\u6210<\/strong><\/p>

\u8105\u5a01\u30cf\u30f3\u30c6\u30a3\u30f3\u30b0\u306f\u7121\u4f5c\u70ba\u306e\u63a2\u7d22\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u65b9\u5411\u6027\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>

\u3053\u3053\u3067\u5f79\u7acb\u3064\u306e\u304c\u3001MITRE ATT\u3084CK\u306e\u3088\u3046\u306a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002\u653b\u6483\u8005\u304c\u3069\u306e\u3088\u3046\u306b\u884c\u52d5\u3059\u308b\u304b\u3092\u8003\u3048\u308b\u65b9\u6cd5\u3092\u4e0e\u3048\u3066\u304f\u308c\u307e\u3059\u3002.<\/p>

\u3064\u307e\u308a\u3001\u3059\u3079\u3066\u3092\u898b\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u7279\u5b9a\u306e\u53ef\u80fd\u6027\u306b\u6ce8\u76ee\u3059\u308b\u306e\u3067\u3059\u3002\u653b\u6483\u8005\u306f\u6b21\u306b\u4f55\u3092\u3057\u3088\u3046\u3068\u3059\u308b\u306e\u304b\uff1f\u305d\u308c\u306f\u3069\u3093\u306a\u30b7\u30b0\u30ca\u30eb\u3092\u6b8b\u3059\u306e\u304b.<\/p>

\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u610f\u56f3\u7684\u306a\u30d7\u30ed\u30bb\u30b9\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>

\u30b9\u30c6\u30c3\u30d73.\u30e2\u30c7\u30eb\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0<\/strong><\/p>

\u591a\u304f\u306e\u4eba\u304c\u5373\u52b9\u6027\u3092\u671f\u5f85\u3059\u308b\u306e\u306f\u3053\u3053\u3067\u3059\u3002.<\/p>

\u305d\u3093\u306a\u3053\u3068\u306f\u3081\u3063\u305f\u306b\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>

AI\u5c0e\u5165\u306e\u969c\u58c1 \u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/a> PwC\u304c\u5f37\u8abf\u3057\u3066\u3044\u308b\u3088\u3046\u306b\u3001\u30b9\u30ad\u30eb\u4e0d\u8db3\u3068\u5c02\u9580\u77e5\u8b58\u306e\u6b20\u5982\u3067\u3059\u3002.<\/p>

\u3060\u304b\u3089\u30e2\u30c7\u30eb\u306b\u306f\u6642\u9593\u304c\u5fc5\u8981\u3002\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>

Analysts review alerts, mark what’s useful and what’s noise, and gradually improve the system. It’s a loop.<\/p>

\u3053\u306e\u30eb\u30fc\u30d7\u304c\u306a\u3051\u308c\u3070\u3001AI\u306f\u5358\u306a\u308b\u30a2\u30e9\u30fc\u30c8\u306e\u767a\u4fe1\u6e90\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002.<\/p>

\u30b9\u30c6\u30c3\u30d74.\u7d99\u7d9a\u7684\u6539\u5584<\/strong><\/p>

\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u5b89\u5b9a\u3057\u305f\u3082\u306e\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>

So systems can’t stay fixed either.<\/p>

The OODA loop is a simple way to approach this. Observe what’s happening, understand it in context, decide what to do, act on it.<\/p>

\u305d\u3057\u3066\u3001\u305d\u308c\u3092\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002.<\/p>

\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u9045\u308c\u3092\u3068\u308b\u3053\u3068\u306a\u304f\u9069\u5fdc\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u304c\u69cb\u7bc9\u3055\u308c\u308b\u306e\u3067\u3059\u3002.<\/p>

2025\u5e74\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u60c5\u52e2\u3092\u5f62\u4f5c\u308b\u65b0\u305f\u306a\u30c8\u30ec\u30f3\u30c9<\/h2>

\u72b6\u6cc1\u306f\u53cc\u65b9\u304b\u3089\u5909\u5316\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>

\u7247\u65b9\u306f\u3001, \u30b8\u30a7\u30cd\u30ec\u30fc\u30c6\u30a3\u30d6AI<\/a> \u306f\u3001\u30a2\u30ca\u30ea\u30b9\u30c8\u306e\u30c7\u30fc\u30bf\u4f5c\u696d\u3092\u5bb9\u6613\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u8907\u96d1\u306a\u30af\u30a8\u30ea\u3092\u66f8\u304f\u4ee3\u308f\u308a\u306b\u3001\u5e73\u6613\u306a\u8a00\u8449\u3067\u8cea\u554f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u6642\u9593\u304c\u7bc0\u7d04\u3055\u308c\u3001\u65b0\u3057\u3044\u30c1\u30fc\u30e0\u30e1\u30f3\u30d0\u30fc\u306e\u969c\u58c1\u304c\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>

\u4e00\u65b9\u3001\u653b\u6483\u8005\u3082\u540c\u69d8\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>

\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u751f\u6210\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u3092\u81ea\u52d5\u5316\u3002\u4f55\u304c\u52b9\u679c\u7684\u304b\u3092\u30c6\u30b9\u30c8\u3057\u3001\u7d20\u65e9\u304f\u8abf\u6574\u3057\u307e\u3059\u3002.<\/p>

\u3064\u307e\u308a\u3001\u53cc\u65b9\u304c\u540c\u3058\u30d9\u30fc\u30b9\u6280\u8853\u3092\u4f7f\u3063\u3066\u9032\u5316\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u3059\u3002.<\/p>

\u305d\u306e\u305f\u3081\u3001\u9759\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u304c\u82e6\u6226\u3059\u308b\u3088\u3046\u306a\u52d5\u304f\u74b0\u5883\u304c\u751f\u307e\u308c\u307e\u3059\u3002\u30eb\u30fc\u30eb\u306e\u66f4\u65b0\u306b\u306f\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u66f4\u65b0\u3055\u308c\u308b\u9803\u306b\u306f\u3001\u653b\u6483\u306f\u3059\u3067\u306b\u5909\u5316\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>

AI driven threat hunting works better in this kind of setup because it doesn’t rely only on fixed logic. It keeps adjusting based on what it sees.<\/p>

\u305d\u306e\u9069\u5fdc\u80fd\u529b\u306f\u3001\u5358\u306b\u691c\u77e5\u3059\u308b\u80fd\u529b\u3088\u308a\u3082\u91cd\u8981\u306b\u306a\u3063\u3066\u304d\u3066\u3044\u307e\u3059\u3002.<\/p>

\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u304a\u3051\u308b\u30ec\u30b8\u30ea\u30a8\u30f3\u30c8\u306a\u672a\u6765\u306e\u69cb\u7bc9<\/h2>

The shift in cybersecurity is already happening. It’s not dramatic, but it’s clear.<\/p>

\u5404\u30c1\u30fc\u30e0\u306f\u3001\u5358\u306b \u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/a> alerts and toward actively looking for threats. That’s a different mindset.<\/p>

AI\u306b\u3088\u308b\u8105\u5a01\u30cf\u30f3\u30c6\u30a3\u30f3\u30b0\u306f\u3001\u3053\u306e\u30b7\u30d5\u30c8\u306b\u5927\u304d\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002\u6ede\u7559\u6642\u9593\u306e\u77ed\u7e2e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u30ce\u30a4\u30ba\u3092\u906e\u65ad\u3057\u307e\u3059\u3002\u5b9f\u969b\u306b\u91cd\u8981\u306a\u3053\u3068\u306b\u6ce8\u610f\u3092\u5411\u3051\u3055\u305b\u307e\u3059\u3002.<\/p>

But it’s not something you switch on and forget.<\/p>

\u305d\u308c\u306f\u3001\u30c7\u30fc\u30bf\u306e\u54c1\u8cea\u3001\u719f\u7df4\u3057\u305f\u30a2\u30ca\u30ea\u30b9\u30c8\u3001\u7d99\u7d9a\u7684\u306a\u6539\u5584\u306b\u304b\u304b\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u304c\u306a\u3051\u308c\u3070\u3001\u3069\u3093\u306a\u306b\u512a\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u3067\u3082\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u6709\u52b9\u6027\u3092\u5931\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002.<\/p>

What’s changing now is speed.<\/p>

\u653b\u6483\u8005\u306e\u52d5\u304d\u306f\u901f\u3044\u3002\u30b7\u30b9\u30c6\u30e0\u306f\u305d\u308c\u306b\u8ffd\u3044\u3064\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>

And the teams that adapt to this early will not just detect threats better. They’ll stay ahead of them.<\/p>

At this point, proactive threat hunting is not an advanced feature. It’s becoming the baseline for staying secure.<\/p>","protected":false},"excerpt":{"rendered":"

Most cyberattacks today don’t crash systems or trigger alarms instantly. They get access, stay quiet, and move inside the system like they belong there. Nothing looks obviously wrong at first. Days pass, sometimes weeks. By the time someone notices, the attacker has already done what they came for.That gap is dwell time. And it’s not just a metric people throw around in reports. It’s where things actually go wrong.Now here’s the problem. Most traditional SIEM setups are still built around rules. You define what bad looks like, the system watches for it, and if something matches, you get an alert. Sounds fine in theory. In reality, it only works when […]<\/p>\n","protected":false},"author":5,"featured_media":30250,"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":[110,564,1490,12084,12085],"ppma_author":[324],"class_list":["post-30229","post","type-post","status-publish","format-standard","has-post-thumbnail","category-cybersecurity","category-knowledge-hub","category-staff-writers","category-tech","tag-cybersecurity","tag-generative-ai","tag-google-cloud","tag-human-centric-ai","tag-threat-hunting"],"yoast_head":"\nAI-Driven 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