Introducing the Botnet Defense System with "Yukkuri"
[Botnet Defense System (BDS)] [Shingo Yamaguchi] Last updated: 2026/02/17
Introducing the Botnet Defense System with "Yukkuri"
This material is a derivative work of the Touhou Project created using ChatGPT 5.2. ((c)Team Shanghai Alice)
Reimu & Marisa: Hi everyone! Reimu here, and Marisa here. Take it easy! (Yukkuri shite ittene!!!)
Marisa: Today, I'm gonna introduce some pretty cutting-edge security research!
Reimu: Are we talking offense? Or defense?
Marisa: Both, actually. The topic is- "Using Bots to Defeat Botnets?!"
Reimu: Let's start with a quick recap. What exactly is a botnet?
Marisa: It's a setup where a ton of virus-infected devices all act in unison, following the attacker's orders.
Reimu: You mean things like DDoS attacks and spam emails, right?
Marisa: Yeah. And lately, it's a real problem that IoT devices are such easy targets.
Reimu: Can't we just rely on antivirus software?
Marisa: That's the thing. It hits a limit because of stuff like:
- Unknown malware
- The sheer volume of attacks
- And unmanaged IoT devices
Reimu: So just playing defense isn't enough to keep up, huh?
Marisa: And that's where the research by Professor Shingo Yamaguchi from Yamaguchi University comes in ... "Botnet Defense System (BDS)"
Reimu: The name alone sounds pretty dangerous.
Marisa: But the logic behind it is actually super rational.
Reimu: So, what's the key feature here?
Marisa: It's using a "good" botnet for defense.
"Reimu: Wait, fighting back with bots?!"
Marisa: Exactly. The "good" bots actually counter-infect the malicious ones to wipe 'em out.
Reimu: Is it safe to let them run on their own?
Marisa: That's exactly the point of this research! BDS monitors what's happenin' and where, and takes control of the "good" bots.
Reimu: So they aren't just running wild; they're actually being managed.
Reimu: Huh, that kinda sounds like immune cells.
Marisa: Spot on! See, BDS is actually modeled after biological immune systems.
Reimu: Immunity?
Marisa: Yeah. It's equipped with innate immunity, aquired immunity, and even immune memory. It guards the network tight, just like a living organism. Professor Yamaguchi calls this "Digital Immunity."
Reimu: So, what's the ultimate goal of this research?
Marisa: In a future where IoT devices just keep multiplying, keeping everything perfectly safe is gonna be tough.
Reimu: So that's why you fight from within?
Marisa: Exactly. Prof. Yamaguchi is aiming for a network that assumes a breach will happen, but can autonomously recover on its own!
Reimu & Marisa: Thanks for watching!